2023 Mercedes-Benz C 300 service bulletins & manufacturer communications
331 manufacturer communications are on file with NHTSA for the 2023 Mercedes-Benz C 300. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 315Service campaign 14Warranty extension 2
- This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the pr…EW - DMTL · Warranty extension · Fuel/propulsion System · issued Jul 31, 2026
- Complaint Audible "slurping" operating noise from the fuel tank Cause Conditions: • The fuel tank is around half full • The secondary chamber is almost empty. The suction jet pump …LI47.10-P-079604 · Technical service bulletin · Fuel/propulsion System · issued Jul 27, 2026
- Complaint After an "Over the Air" update (OTA), FM or SDARS radio reception is limited; only a few stations are found. Cause The firmware installation was incomplete. Remedy In the…LI82.60-P-080806 · Technical service bulletin · Electrical System · issued Jul 17, 2026
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of trave…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jul 14, 2026
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a sp…LI54.71-P-079104 · Technical service bulletin · Electrical System · issued Jul 9, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued Jul 8, 2026
- Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new …LI82.60-P-080383 · Technical service bulletin · Electrical System · issued Jul 8, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued Jul 7, 2026
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline f…PSL-NCU Return Parts 7/3 · Technical service bulletin · Service Brakes · issued Jul 3, 2026
- We are experiencing intermittent issues when flashing A26/17 - MBUX multimedia system + Instrument cluster (Head unit) when using flashing method ethernet to USB-C. Until further n…ANN Interm. Issues Flash · Technical service bulletin · Electrical System · issued Jul 2, 2026
- Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible becaus…LI00.20-P-077615 · Technical service bulletin · Electrical System · issued Jul 1, 2026
- Complaint General information on the operation of the PRE-SAFE® Impulse system: The PRE-SAFE® Side Impulse system is a preventive, i.e. pre-collision occupant protection system. Th…LI54.30-P-080649 · Technical service bulletin · Structure · issued Jul 1, 2026
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline f…PSL-NCU Return Parts 6/19 · Technical service bulletin · Visibility/wiper · issued Jun 19, 2026
- Complaint The remaining time shown on the instrument cluster in the workshop menu (days to next due service) is implausible (>365 days) for the following conditions: • for the date…LI00.20-P-078424 · Technical service bulletin · Electrical System · issued Jun 12, 2026
- Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The r…LI00.20-P-080703 · Technical service bulletin · Electrical System · issued Jun 12, 2026
- Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible becaus…LI00.20-P-077615 · Technical service bulletin · Electrical System · issued Jun 12, 2026
- Complaint Rattling/knocking noise from the rear axle steering is audible when driving on rough terrain or cobblestones. Large play in the rear axle steering. Cause Diverse function…LI46.80-P-080662 · Technical service bulletin · Steering · issued Jun 1, 2026
- Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible becaus…LI00.20-P-077615 · Technical service bulletin · Electrical System · issued May 29, 2026
- Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument …LI82.85-P-080507 · Technical service bulletin · Electrical System · issued May 26, 2026
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline f…PSL-NCU Return Parts 5/22 · Technical service bulletin · Structure · issued May 22, 2026
- Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steerin…LI46.15-P-070510 · Technical service bulletin · Steering · issued May 22, 2026
- Complaint 48V battery (A66) part numbers A 000 982 78 24, A 000 982 57 30, A 000 982 88 31, A 000 982 50 32, A 000 982 87 32) may trigger a fault message ("48 V Service Required" w…LI54.10-P-080602 · Technical service bulletin · Electrical System · issued May 20, 2026
- Complaint Play/noise at height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy 1. Inspect Seat Height Adjuster Bar…LI91.10-P-076097 · Technical service bulletin · Seats · issued May 19, 2026
- Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not …LI82.30-P-059239 · Technical service bulletin · Visibility/wiper · issued May 19, 2026
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no late…PSL-NCU Return Parts 5/15 · Technical service bulletin · Suspension · issued May 15, 2026
- Complaint One or more seat functions are restricted or inoperative. This may include: • Seat memory • Automatic seat adjustment • Easy Entry/Exit • Head restraint presetting • Coll…LI91.29-P-080554 · Technical service bulletin · Seats · issued May 15, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued May 12, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued May 12, 2026
- Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible noises. • Instrument panel support •…LI46.15-P-070510 · Technical service bulletin · Steering · issued May 8, 2026
- Complaint Play/noise at height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy 1. Inspect Seat Height Adjuster Bar…LI91.10-P-076097 · Technical service bulletin · Seats · issued May 4, 2026
- Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numb…LI00.01-P-078887 · Technical service bulletin · Unknown / Other · issued Apr 24, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued Apr 17, 2026
- Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to a…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 16, 2026
- Complaint No heating output is available during electric driving operation. In conventional (combustion engine) driving operation, full heating output is available. Cause Possible …LI83.70-P-080411 · Technical service bulletin · Visibility/wiper · issued Apr 13, 2026
- Complaint SRS indicator light illuminated in the instrument cluster. Electrical fault in the rear airbag/window airbag that may cause a connection between the airbag pins or to the…LI91.60-P-076303 · Technical service bulletin · Air Bags · issued Apr 8, 2026
- Complaint Optical irregularity in the light guide of the ambient lighting. Cause Exposure to external factors, e.g. cleaning or disinfecting agents, creams, mechanical stress, or i…LI82.20-P-080425 · Technical service bulletin · Exterior Lighting · issued Apr 8, 2026
- Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, ha…LI72.20-P-075746 · Technical service bulletin · Electrical System · issued Apr 2, 2026
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a sp…LI54.71-P-079104 · Technical service bulletin · Electrical System · issued Apr 2, 2026
- Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new …LI82.60-P-080383 · Technical service bulletin · Electrical System · issued Apr 2, 2026
- Complaint No heating output is available during electric driving operation. In conventional (combustion engine) driving operation, full heating output is available. Cause Possible …LI83.70-P-080411 · Technical service bulletin · Visibility/wiper · issued Mar 30, 2026
- Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adju…LI01.30-P-072328 · Technical service bulletin · Engine · issued Mar 27, 2026
- Complaint The "easy entry and exit feature" function deactivates itself after a brief period. (see attachment) Cause The cause is currently being investigated. Remedy Update the HU…LI91.10-P-078305 · Technical service bulletin · Electrical System · issued Mar 26, 2026
- Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numb…LI00.01-P-078887 · Technical service bulletin · Unknown / Other · issued Mar 25, 2026
- Complaint Customer concern for ESP/Brake or Steering yellow instrument cluster message AND C220564 in the N80 Steering Column Control Module (Valeo Parts only). To check which supp…LI46.10-P-079374 · Technical service bulletin · Electrical System · issued Mar 25, 2026
- Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause Root cause …LI82.60-P-080383 · Technical service bulletin · Electrical System · issued Mar 25, 2026
- Complaint Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services - activation not possible Notes: - The event code "B16AC00 - The configurati…LI82.85-P-080359 · Technical service bulletin · Electrical System · issued Mar 19, 2026
- Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC…LI82.85-P-078722 · Technical service bulletin · Electrical System · issued Mar 11, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Mar 9, 2026
- Complaint The seat may no longer be adjustable using the electric seat adjustment switch on the door module. No related error is stored in the quick test. Cause Under certain condi…LI82.00-P-080029 · Technical service bulletin · Seats · issued Mar 9, 2026
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Mar 9, 2026
- Complaint Engine vibrations perceived at low rpm. Fault codes for the camshaft position of the intake camshaft (P001100, P001104, P001200) or exhaust camshaft (P001400, P001404, P0…LI05.20-P-080329 · Technical service bulletin · Engine · issued Mar 9, 2026
- Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has drop…LI54.10-P-073164 · Technical service bulletin · Electrical System · issued Mar 4, 2026
- Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steerin…LI46.15-P-070510 · Technical service bulletin · Steering · issued Mar 2, 2026
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a sp…LI54.71-P-079104 · Technical service bulletin · Electrical System · issued Feb 28, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Feb 28, 2026
- Complaint Stored DTC C220564 - "There is an internal fault in the steering angle sensor. There is an implausible signal." In the quick test, there are also no other DTC's in other …LI82.90-P-080159 · Technical service bulletin · Steering · issued Feb 28, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the SRS control unit software does not correspond to current producti…NCU - 2025070008 · Service campaign · Electrical System · issued Feb 28, 2026
- Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handba…LI72.20-P-075746 · Technical service bulletin · Electrical System · issued Feb 25, 2026
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Feb 24, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has decided that on certain model year 2023 C-Class, G-Class and SL vehicles, the engine control unit software may not…CL - 2025040001 · Technical service bulletin · Electrical System · issued Feb 20, 2026
- Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code "P0A7F00" stored in the 48 V battery G1/3 and/or is current…LI54.10-P-080288 · Technical service bulletin · Electrical System · issued Feb 19, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software does not correspond to current produ…NCU - 2024090007 · Service campaign · Engine · issued Feb 14, 2026
- Complaint Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure sensor 'A' has a short circuit to positive stored in VGS control u…LI27.19-P-080219 · Technical service bulletin · Power Train · issued Feb 13, 2026
- Complaint Engine vibrations perceived at low rpm. Fault codes for the camshaft position of the intake camshaft (P001100, P001104, P001200) or exhaust camshaft (P001400, P001404, P0…LI05.20-P-080257 · Technical service bulletin · Engine · issued Feb 13, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Feb 13, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibili…NCU - 2025090001 · Service campaign · Unknown / Other · issued Feb 13, 2026
- Complaint The vehicle cannot disengage “P” (Park), and a red warning message appears in the instrument cluster. Cause Only vehicles with transmission NAG3C 725.0 and engine M264 wi…LI27.60-P-080167 · Technical service bulletin · Power Train · issued Feb 12, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control software might not meet current specifications. As…NCU - 2025040001 · Technical service bulletin · Electrical System · issued Feb 7, 2026
- Complaint Activating Navigation Please Wait" message seen on central display. Cause Under Analysis Remedy 1.Reset the MBUX language (e.g., if the MBUX language is set to English, p…LI82.85-P-080251 · Technical service bulletin · Electrical System · issued Feb 6, 2026
- Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, v…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Feb 3, 2026
- Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adju…LI01.30-P-072328 · Technical service bulletin · Engine · issued Feb 2, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the ME-SFI control unit software does not meet current production spe…NCU - 2025040013 · Service campaign · Electrical System · issued Jan 31, 2026
- Complaint: Clattering noise from area of hood with steel suspension. Cause: Missing helical spring shim (blue part as shown in attached picture "Helical Spring Shim"). Remedy: Chec…LI32.25-P-079706 · Technical service bulletin · Suspension · issued Jan 30, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Jan 30, 2026
- Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC…LI82.85-P-078722 · Technical service bulletin · Electrical System · issued Jan 26, 2026
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA i…CL - EW M264 · Technical service bulletin · Engine · issued Jan 23, 2026
- Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steerin…LI46.15-P-070510 · Technical service bulletin · Steering · issued Jan 23, 2026
- Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numb…LI00.01-P-078887 · Technical service bulletin · Unknown / Other · issued Jan 21, 2026
- Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there a…LI83.30-P-079850 · Technical service bulletin · Visibility/wiper · issued Jan 16, 2026
- Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Veri…LI83.30-P-079850 · Technical service bulletin · Visibility/wiper · issued Jan 15, 2026
- Complaint For the potentially affected vehicles, excessively high aging of the battery was calculated at cold battery temperatures (<10°C) and the MIL activated accordingly, even t…LI54.10-P-080199 · Technical service bulletin · Electrical System · issued Jan 14, 2026
- Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-vo…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued Jan 10, 2026
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC is extending the warra…EW - Cylinder Head M264 · Warranty extension · Engine · issued Jan 10, 2026
- Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Veri…LI83.30-P-079850 · Technical service bulletin · Visibility/wiper · issued Jan 7, 2026
- Complaint (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS) when the vehicle is stationary and ECO Start/Stop is active (comb…LI27.35-P-080160 · Technical service bulletin · Power Train · issued Dec 20, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No ca mera image is displayed in the head unit. The rever…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Dec 18, 2025
- Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-vo…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued Dec 18, 2025
- Complaint Engine idle fluctuates or stumbles at approximately 7 second interval. No relevant fault codes are stored. If fault codes are stored or check engine light illuminated, th…LI07.70-P-078547 · Technical service bulletin · Engine · issued Dec 18, 2025
- Complaint The following most common complaints may be observed: • Brief connectivity interruptions when using Apple CarPlay over Wi-Fi • Audio cuts out • Device not recognized • No…LI82.85-P-079530 · Technical service bulletin · Electrical System · issued Dec 12, 2025
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Dec 11, 2025
- Complaint Displayed Message: “Driver camera not functioning, see Operator’s Manual” Cause Interior temperature too high due to: • Summer heat • Direct sunlight • Lack of air condit…LI82.85-P-080094 · Technical service bulletin · Electrical System · issued Dec 3, 2025
- Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0C FE00 is stored in control unit "N83 - AC charger for high-v…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued Dec 2, 2025
- Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the custome…LI68.20-P-080012 · Technical service bulletin · Electrical System · issued Nov 18, 2025
- Complaint The shift from 1st to 2nd gear may be uncomfortable under light load. Cause Vehicles with engine M264 and transmission 725.0 may be equipped with specific software versio…LI27.60-P-079967 · Technical service bulletin · Power Train · issued Nov 17, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued Nov 15, 2025
- Complaint Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in the EEPROM or Transmission Health system following the replacem…LI27.35-P-079971 · Technical service bulletin · Power Train · issued Nov 10, 2025
- Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the custome…LI68.20-P-080012 · Technical service bulletin · Electrical System · issued Nov 6, 2025
- Complaint Harsh 2-1 downshifts when coming to a stop with ECO start-stop function turned OFF. Note: When ECO start-stop is active, the engine is shut off before the 2-1 shift and t…LI27.60-P-079969 · Technical service bulletin · Power Train · issued Nov 5, 2025
- Complaint A harsh 5-4 downshift can be felt during deceleration while braking or coasting. It may be mistaken for a hard brake engagement Cause Poor learning of brake B06 adaptatio…LI27.60-P-079968 · Technical service bulletin · Power Train · issued Nov 5, 2025
- Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, v…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Nov 3, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the door control unit software does not correspond to current product…NCU - 2024090017 · Service campaign · Electrical System · issued Oct 24, 2025
- Complaint At low speeds and light brake pressure, brakes will make a groaning or honking noise. Cause Frictional vibrations with very light brake pressure/modulations. Remedy This …LI42.10-P-079904 · Technical service bulletin · Service Brakes · issued Oct 20, 2025
- Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. (see attachment). Cause The cause is currently being investigated. Remedy Update the H…LI91.10-P-078305 · Technical service bulletin · Seats · issued Oct 10, 2025
- Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise contin…LI82.62-P-078631 · Technical service bulletin · Electrical System · issued Oct 10, 2025
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued Sep 25, 2025
- Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission…LI27.19-P-072588 · Technical service bulletin · Power Train · issued Sep 17, 2025
- Complaint Seal secured to B-pillar trim on rear doors cracked in upper area, see picture 1. Cause Production deviation at supplier of B-pillar trim. Remedy Replace both B-pillar tr…LI72.12-P-076175 · Technical service bulletin · Structure · issued Sep 15, 2025
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the High Voltage Battery (“HVB”) AC charger software does not c…NCU - 2025080007 · Service campaign · Electrical System · issued Sep 13, 2025
- Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-vo…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued Sep 11, 2025
- Complaint The Apple Music app is no longer available in the head unit apps menu after updating the software of the (A26/17 - MBUX multimedia system + instrument cluster (head unit)…LI82.60-P-079747 · Technical service bulletin · Electrical System · issued Sep 5, 2025
- Complaint No audio is output either in radio mode, or with media playback via app, Bluetooth or USB. In such cases, "Playback not active" is shown in the display. Cause Mute line b…LI82.62-P-077311 · Technical service bulletin · Electrical System · issued Sep 4, 2025
- Complaint Metallic clattering/noise from the area of the dashboard on uneven roads Cause A loose upper metal plate in the head bearing (support bushing) causes the noises. Remedy 1…LI32.25-P-079708 · Technical service bulletin · Suspension · issued Sep 4, 2025
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-079179 · Technical service bulletin · Exterior Lighting · issued Sep 3, 2025
- Complaint Wheezing noises/squeaking noises from the front shock absorbers when passing over surface undulations and rough road. Noise MUST match those heard in the attached videos.…LI32.25-P-079707 · Technical service bulletin · Suspension · issued Aug 29, 2025
- Complaint Clattering noise from area of hood with steel suspension. Cause Missing helical spring shim (blue part as shown in attached picture "Helical Spring Shim"). Remedy Check w…LI32.25-P-079706 · Technical service bulletin · Suspension · issued Aug 29, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the charging function does not correspond to the current series produ…OTA - 20250829 · Technical service bulletin · Electrical System · issued Aug 29, 2025
- Complaint Message in Instrument Cluster for "Active Distance Assist not enabled, but can be purchased subsequently" even if Digital Extra: Active Distance Assist DISTRONIC (207) ha…LI54.71-P-079672 · Technical service bulletin · Electrical System · issued Aug 28, 2025
- Complaint Valeo Steering Column Module (N80) goes into bootloader after updating software to A2239028729. To verify the supplier and software number of the steering column module. …LI46.10-P-079582 · Technical service bulletin · Steering · issued Aug 5, 2025
- Complaint Criteria: • Customer concern for ESP/Brake or Steering yellow instrument cluster message. • DTC's C220564 or P161447 in the Steering Column Control Module (N80). • N80 su…LI46.10-P-079375 · Technical service bulletin · Steering · issued Aug 5, 2025
- Complaint Customer concern for ESP/Brake or Steering yellow instrument cluster message AND C220564 in the N80 Steering Column Control Module (Valeo Parts only). To check which supp…LI46.10-P-079374 · Technical service bulletin · Steering · issued Aug 5, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the SRS control unit software does not correspond to current producti…NCU - 2025070008 · Service campaign · Electrical System · issued Aug 2, 2025
- Complaint The customer complains about squeaking/creaking noises on uneven roadways, on bends or when moving in their seat. Cause Noise in the backrest adjustment mechanism Remedy …LI91.10-P-079346 · Technical service bulletin · Seats · issued Jul 31, 2025
- Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. (see attachment). Cause The cause is currently being investigated. Remedy 1. Update th…LI91.10-P-078305 · Technical service bulletin · Seats · issued Jul 31, 2025
- Complaint Fuel filler flap/socket flap sticks, cannot be opened Cause Under analysis. Remedy Create TIPS case with fault description and videos of the flap sticking. Send the TIPS …LI88.60-P-079592 · Technical service bulletin · Structure · issued Jul 31, 2025
- Complaint - Engine diagnosis indicator lamp (MIL) lights up. - Current and saved fault code in DCCU and powertrain control unit (PTCU): P2E9873 The position sensor of the external …LI47.70-P-078563 · Technical service bulletin · Electrical System · issued Jul 31, 2025
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued Jul 25, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system software available for certain subject vehicles. The updated software improves sy…OTA - 20250725 · Technical service bulletin · Lane Departure · issued Jul 25, 2025
- Complaint Diverse functional limitations in the vehicle in combination with various warning and fault messages in the instrument cluster display. Cause Communication timeouts mean …LI54.21-P-079510 · Technical service bulletin · Electrical System · issued Jul 17, 2025
- Complaint The following most common complaints may be observed: • Brief connectivity interruptions when using Apple CarPlay over Wi-Fi • Audio cuts out • Device not recognized • No…LI82.85-P-079530 · Technical service bulletin · Electrical System · issued Jul 12, 2025
- Complaint - Engine diagnosis indicator lamp (MIL) lights up. - Current and saved fault code in DCCU and powertrain control unit (PTCU): P2E9873 The position sensor of the external …LI47.70-P-078563 · Technical service bulletin · Electrical System · issued Jul 11, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the instrument cluster software does not correspond to current produc…OTA - 25P5497844 · Technical service bulletin · Electrical System · issued Jul 11, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN coding available for certain subject vehicles. The updated SCN coding improve…OTA - 20250627 · Technical service bulletin · Lane Departure · issued Jun 28, 2025
- Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numb…LI00.01-P-078887 · Technical service bulletin · Unknown / Other · issued Jun 17, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control software might not meet current specifications. As…Emissions - 2025040001 · Technical service bulletin · Electrical System · issued Jun 12, 2025
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function), noise (breakaway noise) when leavin…LI46.15-P-063353 · Technical service bulletin · Steering · issued Jun 9, 2025
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty c…CL - 05012025 · Technical service bulletin · Fuel/propulsion System · issued May 30, 2025
- Complaint The following most common complaints may be observed: • Brief connectivity interruptions when using Apple CarPlay over Wi-Fi • Audio cuts out • Device not recognized • No…LI82.85-P-079088 · Technical service bulletin · Electrical System · issued May 30, 2025
- Complaint Squeaking or creaking noises on uneven roadways, in turns, or when moving in their seat. Cause Noise in the backrest adjustment mechanism Remedy The adjustment mechanism …LI91.10-P-079346 · Technical service bulletin · Seats · issued May 29, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued May 21, 2025
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-078470 · Technical service bulletin · Exterior Lighting · issued May 14, 2025
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-078470 · Technical service bulletin · Exterior Lighting · issued May 13, 2025
- Complaint Please note that the exact quick test conditions must be met as seen below. If not exactly as listed below, there is no need to create a TIPS case referencing this LI unl…LI54.65-P-078762 · Technical service bulletin · Electrical System · issued May 7, 2025
- Complaint After the charging process is complete, the IC message with charging error appears and the FC P0CFE00 is stored in the "N83 - AC charger for high-voltage battery (SG-LG)"…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued May 7, 2025
- Complaint Individual functions such as sliding sunroof or roller sunblind can no longer be operated using the gesture recognition system. Cause Gesture recognition system control u…LI82.85-P-078303 · Technical service bulletin · Electrical System · issued May 5, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the ignition lock (EZS) control unit does not correspond with the lat…OTA - 05022025 · Technical service bulletin · Electrical System · issued May 3, 2025
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued May 2, 2025
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Steering · issued May 2, 2025
- Complaint Symptoms relating to CIVIC A26/17 - MBUX multimedia system + instrument cluster (head unit)] and/or displays Cause Enhanced technical support process for CIVIC modules an…LI82.85-P-077316 · Technical service bulletin · Electrical System · issued May 1, 2025
- Complaint In vehicles with the MBUX multimedia system Gen20x.i2 without premium sound system and external amplifier, the sound does not meet the customer's expectations. Changing t…LI82.60-P-079138 · Technical service bulletin · Electrical System · issued May 1, 2025
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078896 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the airbag control unit software does not correspond to the latest se…OTA - 20250425 · Technical service bulletin · Electrical System · issued Apr 25, 2025
- Complaint Random heating of air conditioning system. Cause Temperature sensor in overhead control panel (OCP) delivering incorrect values: The temperature sensor in the overhead co…LI83.30-P-079081 · Technical service bulletin · Visibility/wiper · issued Apr 21, 2025
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-079179 · Technical service bulletin · Exterior Lighting · issued Apr 21, 2025
- Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. Cause The cause is currently being investigated. Remedy A remedy is currently not avai…LI91.10-P-078305 · Technical service bulletin · Electrical System · issued Apr 21, 2025
- Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP…LI82.85-P-079087 · Technical service bulletin · Electrical System · issued Apr 21, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software may not correspond with current prod…NCU - 2025040004 · Service campaign · Electrical System · issued Apr 17, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software does not correspond to current produ…NCU - 2025040003 · Service campaign · Electrical System · issued Apr 17, 2025
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Electrical System · issued Apr 11, 2025
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a sp…LI54.71-P-079104 · Technical service bulletin · Electrical System · issued Apr 7, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the powertrain control unit software does not correspond to current p…NCU - 2025030013 · Service campaign · Power Train · issued Mar 28, 2025
- Complaint A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after parking See video for example Cause Noise originates within the…LI27.35-P-079039 · Technical service bulletin · Power Train · issued Mar 24, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the software for the airbag control unit does not correspond to the l…OTA - 5496236 · Technical service bulletin · Electrical System · issued Mar 21, 2025
- Complaint - Engine diagnosis indicator lamp (MIL) lights up. - Current and saved fault code in DCCU and powertrain control unit (PTCU): P2E9873 The position sensor of the external …LI47.70-P-078563 · Technical service bulletin · Electrical System · issued Mar 13, 2025
- Complaint The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see …LI54.30-P-079004 · Technical service bulletin · Exterior Lighting · issued Mar 11, 2025
- Complaint The luggage compartment lighting switches off and back on erratically if the tailgate is opened with the ignition switched off. Cause The problem was caused by a software…LI82.20-P-079002 · Technical service bulletin · Electrical System · issued Mar 10, 2025
- Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handba…LI72.20-P-075746 · Technical service bulletin · Electrical System · issued Mar 10, 2025
- Complaint A squeaking noise comes from the electric power steering; see video with example. Cause Toothed rack in the area of the screw drive of the electric power steering needs a…LI46.35-P-076566 · Technical service bulletin · Suspension · issued Mar 10, 2025
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles. The software for the communication module does not correspond t…OTA - 5496430 · Technical service bulletin · Electrical System · issued Mar 8, 2025
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the communication software does not correspond with the latest …OTA - 5497748 · Technical service bulletin · Electrical System · issued Mar 7, 2025
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the communication software does not correspond with the latest …OTA - 5497746 · Technical service bulletin · Electrical System · issued Mar 7, 2025
- Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stor…LI07.70-P-078520 · Technical service bulletin · Engine · issued Mar 7, 2025
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Mar 5, 2025
- Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stor…LI07.70-P-078520 · Technical service bulletin · Fuel/propulsion System · issued Feb 28, 2025
- Complaint Red oil pressure warning in instrument cluster One of the below fault codes is stored in powertrain control unit N127: P052497 The oil pressure is too low. The system fun…LI18.10-P-078867 · Technical service bulletin · Engine · issued Feb 28, 2025
- Complaint Please note that the exact quick test conditions must be met as seen below. If not exactly as listed below, there is no need to create a TIPS case referencing this LI unl…LI54.65-P-078762 · Technical service bulletin · Electrical System · issued Feb 25, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Feb 24, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Feb 24, 2025
- Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the te…LI47.50-P-078804 · Technical service bulletin · Fuel/propulsion System · issued Feb 21, 2025
- Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numb…LI00.01-P-078887 · Technical service bulletin · Unknown / Other · issued Feb 20, 2025
- Complaint Engine idle fluctuates or stumbles at approximately 7 second interval. No relevant fault codes are stored. If fault codes are stored or check engine light illuminated, th…LI07.70-P-078547 · Technical service bulletin · Engine · issued Feb 19, 2025
- Complaint Please note that the exact quick test conditions must be met as seen below. If not exactly as listed below, there is no need to create a TIPS case referencing this LI unl…LI54.65-P-078762 · Technical service bulletin · Electrical System · issued Feb 12, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-25 A-Class, C-Class, CLA, CLS, E-Class, G-Class, GLA, GLB, GLC, GT, and S-Class (1…OTA- 24P5497747 · Technical service bulletin · Electrical System · issued Feb 7, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-25 A-Class, C-Class, CLA, CLS, E-Class, EQB, GLB, GLE, GLS, AMG GT 4-Door, and S-C…OTA - 24P5497745 · Technical service bulletin · Electrical System · issued Feb 7, 2025
- Complaint Red cooling system malfunction warning due to overheat. Low engine performance. Check engine light on. Fault codes may be stored: P21814B The cooling system has a malfunc…LI20.10-P-078510 · Technical service bulletin · Engine · issued Feb 6, 2025
- Complaint Noises/ squealing from the service brake in various driving situations and ambient conditions. Cause Frictional vibrations Remedy AMG brake systems are designed for high …LI42.10-P-063502 · Technical service bulletin · Service Brakes · issued Feb 3, 2025
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Lane Departure · issued Feb 3, 2025
- Dear Mercedes-Benz Owner: On behalf of Mercedes-Benz USA, LLC ("MBUSA"), thank you for being a part of the Mercedes-Benz family. We hope that you're enjoying your vehicle. Here at …CL - Comm Module OTA · Technical service bulletin · Electrical System · issued Jan 31, 2025
- Complaint • Hard 1-2 shift • Jerky shifting • Jolting when moving off Cause Insufficient data points for the adaptation limits algorithm Remedy Problem will be rectified with a new…LI27.60-P-076554 · Technical service bulletin · Electrical System · issued Jan 31, 2025
- Complaint For the potentially affected vehicles, excessively high aging of the battery was calculated at cold battery temperatures (<50°F) and the MIL activated accordingly, even t…LI54.10-P-077250 · Technical service bulletin · Electrical System · issued Jan 29, 2025
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements. Sound file attached for comparison. NOTE: Steering functionality …LI33.20-P-078406 · Technical service bulletin · Suspension · issued Jan 28, 2025
- Complaint Fuel door may require several attempts to open. Please note that if the complaint "Fuel filler flap not opening" occurs, it is important to check the fuel filler flap bef…LI88.60-P-072093 · Technical service bulletin · Structure · issued Jan 24, 2025
- Complaint - Digital light pop-up messages (warnings, notes, spotlight and dyn. low beam) appear in the instrument cluster (picture in attachment), even though the same digital ligh…LI82.10-P-078070 · Technical service bulletin · Exterior Lighting · issued Jan 24, 2025
- Complaint Noise from area of instrument panel Noise might occur in the following conditions: - At engine speeds of 1500 rpm to 2000 rpm. - In the speed range up to 45mph - Type of …LI68.10-P-070572 · Technical service bulletin · Structure · issued Jan 24, 2025
- Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the te…LI47.50-P-078804 · Technical service bulletin · Fuel/propulsion System · issued Jan 24, 2025
- Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stor…LI07.70-P-078520 · Technical service bulletin · Engine · issued Jan 24, 2025
- Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stor…LI07.70-P-078520 · Technical service bulletin · Engine · issued Jan 18, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued Jan 16, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing directio…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jan 15, 2025
- Complaint Station logos are no longer displayed in the radio after updating or SCN coding the A26/17 head unit. Cause Without active navigation (code 365), MBUX cannot assign and i…LI82.85-P-076200 · Technical service bulletin · Electrical System · issued Jan 15, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Jan 15, 2025
- Complaint When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the camera symbol. Cause MBUX FUP5 software: • E504.3 (A 297 904 97 …LI82.85-P-078156 · Technical service bulletin · Electrical System · issued Jan 14, 2025
- Complaint The remaining time shown on the instrument cluster in the workshop menu (days to next due service) is implausible (> < 365 days) for the following conditions: • for the d…LI00.20-P-078424 · Technical service bulletin · Electrical System · issued Jan 14, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-25 C-Class, CLA, EQB, AMG GT, EQE, EQS, G-CLASS, GLB, GLC, GLE, GLS, S-CLASS, AMG …OTA - 2025010010 · Technical service bulletin · Electrical System · issued Jan 10, 2025
- Complaint Engine idle fluctuates or stumbles at approximately 7 second interval. No relevant fault codes are stored. Cause Torque signal mismatch between MRG and PTCU control units…LI07.70-P-078547 · Technical service bulletin · Engine · issued Jan 9, 2025
- Complaint Please note that the exact quick test conditions must be met as seen below. If not exactly as listed below, there is no need to create a TIPS case referencing this LI unl…LI54.65-P-078762 · Technical service bulletin · Electrical System · issued Jan 9, 2025
- Complaint Electrical fault on rear airbag/window airbag. SRS indicator light on in instrument cluster. Cause Contact problems that may create a short circuit between the pins or to…LI91.60-P-076303 · Technical service bulletin · Air Bags · issued Jan 8, 2025
- Complaint Play noticeable in the height adjustment of the steering column. See arrow direction in attached pictures. Cause Slipped thrust bearing ring on the height adjustment. Rem…LI46.15-P-078766 · Technical service bulletin · Steering · issued Jan 8, 2025
- Complaint For the potentially affected vehicles, excessively high aging of the battery was calculated at cold battery temperatures (<50°F) and the MIL activated accordingly, even t…LI54.10-P-077250 · Technical service bulletin · Electrical System · issued Jan 7, 2025
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Electrical System · issued Jan 6, 2025
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-078470 · Technical service bulletin · Exterior Lighting · issued Jan 3, 2025
- Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: In the quick te…LI82.85-P-078722 · Technical service bulletin · Electrical System · issued Jan 3, 2025
- Complaint Check engine light illuminated. Fault code P042000 Current or stored in MRG2 control unit. Cause Catalytic converter not operating efficiently Remedy Replace catalytic co…LI49.20-P-078714 · Technical service bulletin · Engine · issued Dec 20, 2024
- Complaint Engine warning light active. Fault code P012D12 The pressure sensor upstream of exhaust gas turbocharger has short circuit to positive. There is a short circuit to positi…LI15.18-P-078654 · Technical service bulletin · Electrical System · issued Dec 20, 2024
- Complaint Low engine oil level warning. Engine oil leak under vehicle. Cause Rear crankshaft radial seal rolled during installation Remedy -Check for external oil leak with visual …LI03.20-P-078715 · Technical service bulletin · Engine · issued Dec 19, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-25 C-Class, CLA, EQB, EQE, EQS, G-Class, GLA, GLB, GLC, GLE, GLS, GT, S-Class, and…OTA - 24P5497813 · Technical service bulletin · Electrical System · issued Nov 27, 2024
- Complaint The flap of the reversing camera opens and closes by itself during forward travel. This happens several times during the trip. The customer notices the sound of opening a…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Nov 25, 2024
- Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission…LI27.19-P-072588 · Technical service bulletin · Power Train · issued Nov 20, 2024
- Complaint After a control unit replacement of "N112/9 - control unit for telematics services (HERMES)" or the "N112/2 - control unit for telematics services (RAMSES)", the Digital …LI82.85-P-078473 · Technical service bulletin · Electrical System · issued Nov 20, 2024
- Complaint • Transfer of selected user-defined scene/ animation (Mercedes-Benz Phone App) from HU to ECU software fails to start. • Charging bar stops at 0%. (Picture in attachment)…LI82.10-P-078107 · Technical service bulletin · Exterior Lighting · issued Nov 13, 2024
- Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any …LI82.10-P-078069 · Technical service bulletin · Exterior Lighting · issued Nov 13, 2024
- Complaint Only vehicles with a variable transfer case are affected. Can be identified through control unit N45 or N15/7 in the quick test When accelerating with light load, vibrati…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Nov 12, 2024
- Complaint When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the camera symbol. Cause MBUX FUP5 software: • E504.3 (A 297 904 97 …LI82.85-P-078156 · Technical service bulletin · Electrical System · issued Nov 12, 2024
- Complaint -Check engine light(MIL) is ON. -Current and stored fault code in DCCU and PTCU : P2E9873 The position sensor of the exterior socket flap of the vehicle socket (direct cu…LI47.70-P-078563 · Technical service bulletin · Engine · issued Nov 4, 2024
- Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stor…LI07.70-P-078520 · Technical service bulletin · Engine · issued Nov 2, 2024
- Complaint Engine idle fluctuates or stumbles at approximately 5-10 second intervals. No relevant fault codes are stored. Cause Under analysis Remedy Do not replace parts or perform…LI07.70-P-078547 · Technical service bulletin · Engine · issued Nov 1, 2024
- Complaint Engine is making abnormal noise at idle. May be described as rattle, tapping, or knocking. Cause Various Remedy If necessary compare the noise to a like vehicle and if de…LI01.00-P-078512 · Technical service bulletin · Engine · issued Oct 25, 2024
- Complaint During cold starting, a tortoise symbol may be displayed in the event of reduced engine output. (see attachment) For "non-hybrid vehicles", the thermostat symbol must be …LI54.30-P-078529 · Technical service bulletin · Electrical System · issued Oct 23, 2024
- Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1.…LI82.35-P-078467 · Technical service bulletin · Structure · issued Oct 23, 2024
- Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level …LI82.10-P-078470 · Technical service bulletin · Exterior Lighting · issued Oct 22, 2024
- Complaint "Active Emergency Stop Assist Currently Unavailable" and "Active Steering Assist Inoperative" instrument cluster messages along with Tire Pressure Light on in Instrument …LI54.71-P-078498 · Technical service bulletin · Electrical System · issued Oct 16, 2024
- Complaint Combustion engine could no longer be started, only electric driving possible. Cause High-voltage belt-driven starter-alternator faulty. Remedy Requirement: Prior to the i…LI15.40-P-077947 · Technical service bulletin · Electrical System · issued Oct 16, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2023 2024 C-Class (206 platform) and GLC (254 platform) vehicles, the door control u…NCU - 2024090017 · Service campaign · Electrical System · issued Oct 4, 2024
- Complaint Check engine light on. One of the below fault codes is current in the engine control module (N3/10). P04DB29, P04DB31, P04DB79 Cause Open circuit or high resistance to cr…LI01.20-P-078446 · Technical service bulletin · Electrical System · issued Oct 4, 2024
- Complaint Play/noise at height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy Review of barcode adhesive label on…LI91.10-P-076097 · Technical service bulletin · Seats · issued Oct 3, 2024
- Complaint After a control unit replacement of "N112/9 - control unit for telematics services (HERMES)" or the "N112/2 - control unit for telematics services (RAMSES)", the Digital …LI82.85-P-078473 · Technical service bulletin · Electrical System · issued Oct 3, 2024
- Complaint This document applies to vehicles of model series 206 and 254 from SOP (start of production) with NTG7, that do not have SA code 367: The Live Traffic Information Digital…LI82.85-P-078068 · Technical service bulletin · Electrical System · issued Oct 3, 2024
- Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. Cause It is not possible …LI77.21-P-074971 · Technical service bulletin · Visibility/wiper · issued Oct 3, 2024
- Complaint Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has stopped. Cause The tension-releasing jolt in the drivetrain ori…LI27.00-P-074450 · Technical service bulletin · Power Train · issued Oct 1, 2024
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Sep 28, 2024
- Cause The following conditions can occur on vehicles with a disconnected on-board electrical system battery 12V/48V): • The period in which the on-board electrical system battery i…LI00.20-P-078424 · Technical service bulletin · Electrical System · issued Sep 25, 2024
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078307 · Technical service bulletin · Exterior Lighting · issued Sep 21, 2024
- Complaint When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the camera symbol. Cause MBUX FUP5 software: • E504.3 (A 297 904 97 …LI82.85-P-078156 · Technical service bulletin · Electrical System · issued Sep 18, 2024
- Complaint Display dark (total or partial) of one or more ASCM (AMG) steering wheel button displays - see attachment. Note: There is no loss of vehicle functionality due to this com…LI82.90-P-078381 · Technical service bulletin · Suspension · issued Sep 18, 2024
- Complaint Check engine light on. Fault code P207273 - "Throttle actuator valve is blocked due to ice" stored. Engine may crank and not start. Fault code P210185 may also be stored.…LI07.70-P-078078 · Technical service bulletin · Engine · issued Sep 16, 2024
- Complaint Individual functions such as sliding sunroof or roller sunblind can no longer be operated using the gesture recognition system. Cause Gesture recognition system control u…LI82.85-P-078303 · Technical service bulletin · Visibility/wiper · issued Sep 11, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases c…LI82.10-P-078302 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to …LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Transfer of selected user-defined scene/ animation (MeApp) from HU to ECU software fails to start. Charging bar stops at 0%. (Picture in attachment) Cause Communication b…LI82.10-P-078107 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Indentations in the roof paneling in row bow areas. Note: This is within the surface area of the roof skin when no sunroof is applicable. See attached photo. Cause Flexib…LI65.10-P-078300 · Technical service bulletin · Structure · issued Sep 10, 2024
- Complaint Damage or discoloration to paint protection films on vehicle. Cause Chip protection films are a wear item that may need to be replaced over the life of the vehicle. They …LI98.00-P-078106 · Technical service bulletin · Structure · issued Sep 10, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to the housing cover with pressure compensation diaphragm, the headlamps are a "closed system". This means that the headla…LI82.10-P-078304 · Technical service bulletin · Exterior Lighting · issued Sep 9, 2024
- Complaint To insure vehicle down time is kept at a minimum and all required information is available when case is escalated, as well as assist technicians with checks that may help…LI27.00-P-075630 · Technical service bulletin · Power Train · issued Sep 9, 2024
- 1. Connect XENTRY Diagnosis. 2. Update Fuel System Control Unit (FSCU10) software. To do this, select menu item "Quick test view . N118/3 – Control unit ‘Fuel pump’ (FSCU10) . Adap…2024080006 · Service campaign · Electrical System · issued Sep 7, 2024
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class (206 platform), EQE (294 and 296 platform), EQS (295 and 297 p…OTA - 20240830 · Technical service bulletin · Electrical System · issued Aug 30, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY23-24 GLC, C-Class (254, 206 platform) vehicles, the door control unit software does …OTA - 20240823 · Technical service bulletin · Electrical System · issued Aug 23, 2024
- Complaint Vehicle not AC charging. Check engine light on. PTCU/N127 with fault code P0D9100 "The lock for the charging cable has an open circuit". Cause Possible Hardware and/or So…LI47.70-P-078127 · Technical service bulletin · Electrical System · issued Aug 16, 2024
- Complaint Once the head unit A26/17 is updated to the FUP4 software release E445.0, it may be the case that online connectivity is no longer available Cause E445.0 FUP4 software re…LI82.85-P-077242 · Technical service bulletin · Electrical System · issued Aug 14, 2024
- Complaint The oil level is not correctly displayed while the instrument cluster display is in workshop mode. The oil level is reported in an inverted fashion when a correction is c…LI54.30-P-073761 · Technical service bulletin · Electrical System · issued Aug 14, 2024
- Complaint Customer states that wireless Apple Carplay does not initiate at start-up. The MBUX Display states "Apple Carplay could not be started. Your device has been connected as …LI82.70-P-075186 · Technical service bulletin · Electrical System · issued Aug 13, 2024
- Complaint Radio reception interference and the following DTCs are displayed in the A26/17 - MBUX multimedia system control unit as "active and stored": • B19B313 - Antenna 1 open l…LI82.60-P-078155 · Technical service bulletin · Electrical System · issued Aug 6, 2024
- Complaint When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the camera symbol. Cause MBUX FUP5 software: • E504.3 (A 297 904 97 …LI82.85-P-078156 · Technical service bulletin · Electrical System · issued Aug 5, 2024
- Complaint The oil level is not correctly displayed while the instrument cluster display is in workshop mode. The oil level is reported in an inverted fashion when a correction is c…LI54.30-P-073761 · Technical service bulletin · Electrical System · issued Jul 23, 2024
- Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any …LI82.10-P-078069 · Technical service bulletin · Exterior Lighting · issued Jul 23, 2024
- Complaint Digital light pop-up messages (warnings, notes, spotlight and dyn. low beam) appear in the instrument cluster (picture in attachment), even though the same digital light …LI82.10-P-078070 · Technical service bulletin · Electrical System · issued Jul 22, 2024
- Complaint Yellow Coolant warning comes on in cluster Fault codes below are current or stored in MED41 P0A0500- The actuation of the circulation pump for the low-temperature circuit…LI20.00-P-074205 · Technical service bulletin · Engine · issued Jul 20, 2024
- Complaint After the charging process is complete, the IC message with charging error appears and the FC P0CFE00 is stored in the "N83 - AC charger for high-voltage battery (SG-LG)"…LI47.70-P-076030 · Technical service bulletin · Electrical System · issued Jul 20, 2024
- Complaint Check engine light on and fault code P019185 current or stored in MED41 control unit. Adaptation and misfire faults may also be stored. Vehicle may enter limp home mode. …LI07.70-P-078047 · Technical service bulletin · Engine · issued Jul 17, 2024
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Electrical System · issued Jul 15, 2024
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G-TRONIC automatic transmission f…LI27.00-P-073124 · Technical service bulletin · Power Train · issued Jul 9, 2024
- Complaint Only vehicles with a variable transfer case are affected. Can be identified through control unit N45 or N15/7 in the quick test When accelerating with light load, vibrati…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Jul 9, 2024
- Complaint Complaints about shift quality in vehicles of MODEL 205, 212 and 222 with TRANSMISSION 724.2. Cause If the shift adaptation is not performed as described under "Remedy", …LI27.00-P-060903 · Technical service bulletin · Power Train · issued Jun 21, 2024
- Complaint USB port data storage medium is not recognized, but charging function is still available. We are only aware of this complaint in a few isolated cases and it only occurs i…LI82.60-P-077958 · Technical service bulletin · Electrical System · issued Jun 18, 2024
- Complaint When the pre-entry climate control was activated via Mercedes me connect App, the driver no longer had access to a cooling output for the vehicle interior once the vehicl…LI83.30-P-077969 · Technical service bulletin · Electrical System · issued Jun 18, 2024
- Complaint Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches of road and in long corners • With driver assistance systems swit…LI46.35-P-073051 · Technical service bulletin · Steering · issued Jun 12, 2024
- Complaint In the instrument cluster, the symbol for "12 V battery" and the message "Switch on vehicle" may sporadically be displayed. As a consequence of this, the fault codes B1FC…LI54.10-P-076820 · Technical service bulletin · Electrical System · issued Jun 11, 2024
- Complaint The driver's seat memory settings do not synchronize with the driver's user profile as described in the operator's manual. Driver's seat settings are not transferred to t…LI82.85-P-070742 · Technical service bulletin · Electrical System · issued Jun 6, 2024
- Complaint • Red display in the Charging indicator status in MBUX during AC Charging. • Error message in Mercedes Me App. • Fault code P0E5F97 exists in N83 (AC charger for high-vol…LI47.70-P-077900 · Technical service bulletin · Electrical System · issued May 29, 2024
- In the instrument cluster, the symbol for "12 V battery" and the message "Switch on vehicle" may sporadically be displayed. As a consequence of this, the fault codes B1FCB97 (=> N7…LI54.10-P-076820 · Technical service bulletin · Electrical System · issued May 17, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 22-24 C-Class, EQE, EQS, GLC, S-Class, SL (206, 294, 295, 296, 297, 254, 223, 232 pl…OTA - 20240502 · Technical service bulletin · Electrical System · issued May 17, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2023-2024 C-Class, CLE, E-Class, EQE, EQS, GLC, GLE, GLS, GT, S-Class, and SL vehicl…NCU - 2024040001 · Service campaign · Wheels · issued May 11, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, CLA, EQB, EQE, EQS, GLA, GLB, GLC, GLE, GLS, GT, S-Class, and SL (118,…OTA - 20240503 · Technical service bulletin · Electrical System · issued May 4, 2024
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-23 C-Class and S-Class vehicles (206, 223 platform), the software for the ISA cont…NCU - 2024040008 · Service campaign · Electrical System · issued May 4, 2024
- An authorized Mercedes-Benz dealer will replace the TIREFIT bottle in the trunk of your vehicle, free of charge. The bottle may potentially leak and may not be available for use in…CL - 2024040001 · Technical service bulletin · Wheels · issued May 2, 2024
- Wireless Media Interface: Smartphone cannot be charged or charging process is interrupted. Smaller size smartphones can slip on the charging tray. In the event of a complaint, the …LI82.70-P-077769 · Technical service bulletin · Electrical System · issued Apr 30, 2024
- The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Note: There is no loss of vehicle funct…LI82.90-P-075727 · Technical service bulletin · Electrical System · issued Apr 29, 2024
- The update of the RAMSES 1.1 module to the SW version E139.4 results in a fault in the vtime of the module and therefore to the following possible connection problems: Remote statu…LI82.85-P-077312 · Technical service bulletin · Electrical System · issued Apr 18, 2024
- This is to notify you of the Service Campaign Launch to update the SCN coding for the drive unit DRVU Control Unit in 66,944 Model Year (MY) 2023 C-Class, GLC, S-Class, and SL (206…NCU - 2024020005 · Technical service bulletin · Electrical System · issued Apr 5, 2024
- This is to notify you of the Service Campaign OTA update for the MBUX control unit software in 14,559 Model Year (MY) 21-23 C-Class, S-Class, SL, EQS (206, 223, 232, 297 platform) …OTA - 24240302 · Technical service bulletin · Electrical System · issued Mar 22, 2024
- The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carr…LI00.20-P-077615 · Technical service bulletin · Electrical System · issued Mar 15, 2024
- Tailgate opens unintentionally. Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As…LI72.20-P-075746 · Technical service bulletin · Electrical System · issued Mar 11, 2024
- Change in the login procedure for the payment service in the integrated toll system. The change will become active on 3/1/2024. Updated login procedure to simplify activation of se…LI82.88-P-077552 · Technical service bulletin · Electrical System · issued Feb 29, 2024
- Mercedes-Benz AG (à ¢à  à  MBAGà ¢à  à  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 21-24 C-Class, EQE, EQS, GLC, GLE, GLS, S-Class, SL (…OTA-24240203 · Technical service bulletin · Electrical System · issued Feb 29, 2024
- Seal, B-pillar trim on rear doors cracked in upper area, Production deviation at supplier of B-pillar trim. Replace B-pillar trim through optimized parts. Note: In the event of a p…LI72.12-P-076175 · Technical service bulletin · Structure · issued Feb 22, 2024
- This is to notify you of the Service Campaign Launch to inspect the weld seam on the trunk lid for a crack on 41 Model Year (â  MYâ  ) 2023 C-Class (206 platform) vehicles. T…NCU-2024010016 · Technical service bulletin · Structure · issued Feb 16, 2024
- Mercedes-Benz AG (à ¢à  à  MBAGà ¢à  à  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-23 A-Class, C-Class, CLA, CLS, E-Class, GLA, GLB, G…OTA-24240201 · Technical service bulletin · Electrical System · issued Feb 9, 2024
- Complaint Updating the RAMSES 1.1 module to the latest SW-version E139.4 will lead to an error in the modules vtime and therefore the following possible connectivity issues: Remote…LI82.85-P-077312 · Technical service bulletin · Electrical System · issued Feb 2, 2024
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2023 C-Class, EQE, EQS, GLC, S-Class, and SL (206, 294, 295,…NCU-OTA MBUX SW · Technical service bulletin · Electrical System · issued Jan 24, 2024
- Noises in the steering column area when steering. Under analysis. Check which area of the steering column the noises occur in. Do the noises tend to occur at the bottom in the driv…LI46.10-P-077314 · Technical service bulletin · Steering · issued Jan 24, 2024
- The steering wheel generates grinding noises between the steering wheel and steering column switch module during steering maneuvers See example file in the attachments area: Lenkra…LI46.10-P-077313 · Technical service bulletin · Steering · issued Jan 24, 2024
- Dear Mercedes-Benz Owner: On behalf of Mercedes-Benz USA, LLC (MBUSA), thank you for being a part of the Mercedes-Benz family. We hope that youâ  re enjoying your vehicle. Here …CL-CommMod · Technical service bulletin · Electrical System · issued Jan 5, 2024
- No audio is output either in radio mode, or with media playback via app, Bluetooth or USB. In such cases, "Playback not active" is shown in the display. Mute line between communica…LI82.62-P-077311 · Technical service bulletin · Electrical System · issued Jan 2, 2024
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, C-Class, CLA, CLS, E-Class, EQB, G-Class, GLA, GLB,…OTA-Comm Mod SW · Technical service bulletin · Electrical System · issued Dec 7, 2023
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY22-24 C-Class, AMG GT, AMG SL (206, 192, 232 platform) vehicles, t…NCU-2023110010 · Technical service bulletin · Electrical System · issued Dec 7, 2023
- Crease formation on genuine leather seat covers in vehicles with low mileage â ¢ Objects left on the seats for extended periods of time (pressure marks). â ¢ Objects wedged b…LI91.18-P-077075 · Technical service bulletin · Seats · issued Dec 4, 2023
- Control unit N68 - electric power steering Fault P063544 - The electric power steering has a malfunction. There is a fault in the data memory. with fault freeze frame data "Mon_ID …LI46.35-P-077076 · Technical service bulletin · Steering · issued Dec 4, 2023
- Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, EQE, EQS, S-Class (206, 294/295, 296/297 and 223 platform) ve…OTA-InductNonMMC · Technical service bulletin · Electrical System · issued Dec 1, 2023
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-24 C-Class, EQE, EQS, S-Class (206, 294/295, 296/297 and 223 pl…OTA-InductiveSW · Technical service bulletin · Electrical System · issued Dec 1, 2023
- Seal, B-pillar trim on rear doors cracked in upper area, see picture 1. Production deviation at supplier of B-pillar trim. Replace B-pillar trim through optimized parts.LI72.12-P-076175 · Technical service bulletin · Structure · issued Nov 6, 2023
- Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services - activation not possible. Notes: - In the quick test, no fault code and no event code…LI82.95-P-076991 · Technical service bulletin · Electrical System · issued Oct 23, 2023
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-23 C-Class, EQS, S-Class, SL, EQE, GLC (206, 296, 297, 223, 232…NCU -MBUX SW OTA · Technical service bulletin · Electrical System · issued Oct 20, 2023
- Wheezing noises from the front shock absorbers when passing over surface undulations and rough road. The noises may become more conspicuous with warm damper oil. The flow noises of…LI32.25-P-076956 · Technical service bulletin · Suspension · issued Oct 12, 2023
- 12V message in IC when starting the vehicle. SW updates need to be performed. Follow the guided test for FC U116000 in N73/3*1 EIS CU. Perform the SW checks and updates. Fully char…Ll54.10-P-076896 · Technical service bulletin · Electrical System · issued Sep 8, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206,…NCU-HU SW Update · Technical service bulletin · Electrical System · issued Aug 28, 2023
- In the instrument cluster, the symbol for "12 V battery" and the message "Switch on vehicle" may sporadically be displayed. As a consequence of this, the fault codes B 1 FCB97 (=> …Ll54.10-P-076823 · Technical service bulletin · Electrical System · issued Aug 22, 2023
- Phone call log is not shown in the MBUX display. If the telephone connects with the head unit again, the call log may not be sent. Current software release for the A26/17 - MBUX mu…LI82.70-P-076832 · Technical service bulletin · Electrical System · issued Aug 21, 2023
- Noise at front seats between seat-back lining and function carrier. Noise is caused by friction of the two component parts. Remove the seat-back lining (back panel) of the front se…LI91.10-P-076798 · Technical service bulletin · Seats · issued Aug 18, 2023
- When operating a control point to open the trunk lid or the tailgate, the trunk lock unlocks, but there is no actuation of the trunk control/tailgate control drive unit (M51/3). Fa…LI72.20-P-075232 · Technical service bulletin · Structure · issued Aug 18, 2023
- Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. It is not possible to save the rele…LI77.21-P-074971 · Technical service bulletin · Structure · issued Jul 25, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-2024 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206,…NCU - HU Update · Technical service bulletin · Electrical System · issued Jul 19, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (â MYâ ) 2023 C-Class (206 platform) vehicles, the adhesive seam …NCU-2023060008 · Technical service bulletin · Suspension · issued Jun 30, 2023
- Left and/or right front door could scuff or jamb when opening/closing in the rear upper area at the B-pillar cover of the rear doors, see picture 1 Grub screw of upper hinge of lef…LI72.10-P-076610 · Technical service bulletin · Latches/locks/linkages · issued Jun 28, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 C-Class, EQS and S-Class (206, 297 and 223 platform) vehicles, …NCU-2023040017 · Technical service bulletin · Electrical System · issued May 19, 2023
- Complaint Station logos are no longer displayed in the radio after updating or SCN coding the A26/17 head unit. Cause Under analysis. Remedy Currently, there is no remedy available…LI82.85-P-076200 · Technical service bulletin · Electrical System · issued Apr 19, 2023
- Complaint Seal, weather trim strip on rear doors detaching in upper area, see picture 1. Cause Production deviation at supplier of weather trim strip. Remedy Replace weather trim s…LI72.12-P-076175 · Technical service bulletin · Structure · issued Apr 12, 2023
- Complaint Brief connectivity interruptions when using Apple CarPlay over Wi-Fi, for example when driving underneath toll bridges. Cause There may be interruptions to WiFi as a resu…LI82.85-P-076157 · Technical service bulletin · Electrical System · issued Apr 11, 2023
- Complaint Play/noise at seat height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy Review the barcode adhesive la…LI91.10-P-076097 · Technical service bulletin · Seats · issued Apr 4, 2023
- Complaint Check engine light activated Fault codes stored in AMG Drive Unit N145/1 (DRVU3) B1F9713 U015400 U188D00 Cause Timing variance on wakeup of ethernet control units Remedy …LI54.21-P-076055 · Technical service bulletin · Engine and Engine Cooling · issued Mar 15, 2023
- Complaint After the charging process is complete, the IC message with charging error appears and the FC P0CFE00 is stored in the "N83 - AC charger for high-voltage battery (SG-LG)"…LI47.70-P-076030 · Technical service bulletin · Equipment · issued Mar 8, 2023
- Complaint Wireless charging start/charging behavior of iPhone 14 is not optimal Cause Change in iPhone software (iOS) Remedy There will be optimized software for iPhone 14 iOS (tar…LI82.70-P-075967 · Technical service bulletin · Electrical System · issued Mar 1, 2023
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to th…LI46.15-P-063353 · Technical service bulletin · Steering · issued Dec 1, 2022