2018 Mercedes-Benz C 300 service bulletins & manufacturer communications
173 manufacturer communications are on file with NHTSA for the 2018 Mercedes-Benz C 300. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 165Warranty extension 6Service campaign 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
- 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
- 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 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 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
- Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market vehic…LI82.85-P-080559 · 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 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 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 Damaged cords/tensioning cables at the soft top interior trim with the following characteristics: - Cord/tensioning cable torn - Cord/tensioning cable worn - Cord/tension…LI77.30-P-070145 · Technical service bulletin · Structure · issued Apr 28, 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 When closing the door, the side window may remain slightly open (short stroke position). Automatic window raising function of side window inoperative. NOTE: Window is ful…LI72.40-P-071889 · Technical service bulletin · Electrical System · issued Apr 7, 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 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 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 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 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 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
- 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 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 OR 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
- 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
- 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 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 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 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 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 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
- 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 Possible humming noises from the drivetrain in the area of the rear axle, especially during tight cornering in the lower speed range. Remedy Note: Please follow the instr…LI35.31-P-066469 · Technical service bulletin · Power Train · issued Sep 10, 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 After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle, the message "SOS - Service not activated" is displayed in the i…LI82.85-P-079271 · Technical service bulletin · Electrical System · issued May 22, 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
- 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 (“MBUSA”) is extending…EW - Tank Leakage · Warranty extension · Fuel/propulsion System · issued May 15, 2025
- Complaint Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase vent…LI01.20-P-076894 · Technical service bulletin · Engine · issued May 15, 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 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
- 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
- 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
- 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 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 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 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 Paint damage on door paneling in area of door handle (see picture 1). Cause Alignment of door handle bearing bracket is not correct. Remedy 1. Paint the affected area of …LI72.00-P-071544 · Technical service bulletin · Structure · 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 Wind or airflow noises in the area of the doors Cause Airflow noises or tire noise. The noises entering the interior may be perceived as too loud. Remedy MODEL 205/0/1/2 …LI72.10-P-062500 · Technical service bulletin · Structure · issued Jan 23, 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 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 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 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 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 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 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 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
- 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 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 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 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
- Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) C-Class, E-Class, S-Class, G-Class, CL, CLS, ML, GL, GLE, GL…NCU - 2022080005 · Service campaign · Electrical System · issued Aug 10, 2024
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (“MBUSA”) is extending the …CL-Intake Line Assembly · Technical service bulletin · Engine · issued Aug 9, 2024
- In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class, S-Class,…CL - 2022080005 · Technical service bulletin · Electrical System · issued Aug 9, 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 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 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
- This NCU replaces the prior NCUs issued on August 25, 2023, August 31, 2023 respectively and, contains clarification on parts ordering. In our continuing efforts to assure the prop…EW - Intake Line Assembly · Warranty extension · Engine · issued Jul 9, 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 Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase vent…LI01.20-P076894 · Technical service bulletin · Engine · issued Jul 8, 2024
- Complaint Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase vent…LI01.20-P-076894 · Technical service bulletin · Engine · issued May 14, 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 · Electrical System · issued May 8, 2024
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has …LI01.20-P-076894 · Technical service bulletin · Engine and Engine Cooling · issued Apr 15, 2024
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, …NCU-OTAcommNoMMC · Technical service bulletin · Electrical System · issued Jan 18, 2024
- 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
- Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. Various causes Up to Model year 2018 Fault code P06DA00 can be disregarde…LI07.70-P-070763 · Technical service bulletin · Engine and Engine Cooling · issued Nov 17, 2023
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in parti…LI82.85-P-076800 · Technical service bulletin · Electrical System · issued Oct 10, 2023
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (â MBUSAâ ) is extending th…ELW -Intake Line · Technical service bulletin · Engine and Engine Cooling · issued Sep 22, 2023
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 â Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation ha…LI01.20-P-076894 · Technical service bulletin · Engine and Engine Cooling · issued Sep 12, 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 our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (â MBUSAâ ) is extendi…ELW- Intake Line · Technical service bulletin · Engine and Engine Cooling · issued Aug 24, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (â MYâ ) 2016 â 2021 C-Class (205 platform), E-Class (213 platform) and GL…NCU-2023060003 · Technical service bulletin · Visibility · issued Jun 15, 2023
- Complaint Loads induced at the steering wheel through pushing and pulling actions may cause creaking and cracking noises in the mechanical steering column. Cause Insufficient greas…LI46.15-P-071669 · Technical service bulletin · Steering · issued Mar 1, 2023
- Staining on door trim strips and top and bottom trim elements on rear side windows. Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side…LI72.00-P-075743 · Technical service bulletin · Structure · issued Jan 4, 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 · Equipment · issued Jul 14, 2022
- Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shoc…LI32.25-P-066246 · Technical service bulletin · Equipment · issued Jul 11, 2022
- Complaint Customer may have one or more of the following complaints: â ¢ Vehicle location is shown incorrectly in the Navigation Display â ¢ Navigation destination search is not po…LI82.85-P-074970 · Technical service bulletin · Equipment · issued Jul 7, 2022
- Complaint Customer may have one or more of the following complaints: â ¢ Vehicle location is shown incorrectly in the Navigation Display â ¢ Navigation destination search is not po…LI82.85-P-074970 · Technical service bulletin · Electrical System · issued Jun 15, 2022
- 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 Mar 31, 2022
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain MY 2015-2018 C-Class and GLC-Class (205 and 253 platform) vehicles, the software for …SC-202203005 · Technical service bulletin · Electrical System · issued Mar 11, 2022
- Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Note: The dimming functi…LI82.20-P-073063 · Technical service bulletin · Interior Lighting · issued Feb 16, 2022
- Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (G…LI68.05-P-060306 · Technical service bulletin · Electrical System · issued Jan 27, 2022
- Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints …LI68.05-P-060307 · Technical service bulletin · Electrical System · issued Jan 9, 2022
- Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm.…LI91.30-P-073902 · Technical service bulletin · Seats · issued Jan 4, 2022
- "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 â Boost Pressure is Too High"" "LI09.00-P-074093 · Technical service bulletin · Engine and Engine Cooling · issued Dec 8, 2021
- The Weather App will not populate local weather data based on current vehicle position.LI8285P070107 · Technical service bulletin · Equipment · issued Aug 27, 2021
- This NCU replaces the prior NCU issued on July 30, 2021 and includes an additional population (33) of certain MY 2018 Baumusters covered under this extended warranty. Mercedes-Benz…EW-Low Pressure Fuel Hose · Warranty extension · Fuel/propulsion System · issued Aug 20, 2021
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warningLI8860P073470 · Technical service bulletin · Fuel System, Gasoline · issued Aug 11, 2021
- Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable.LI8200P073331 · Technical service bulletin · Equipment · issued Aug 10, 2021
- Touch pad: Search lighting does not dim or does not turn on.LI8220P073063 · Technical service bulletin · Interior Lighting · issued Jun 16, 2021
- Remote start causing CEL and U012600.LI2700P073106 · Technical service bulletin · Equipment · issued May 25, 2021
- For plug in hybrid and electric variants: Complaints about the electric rangeLI08.00-P-072749 · Technical service bulletin · Electrical System · issued Apr 20, 2021
- Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2018-2019 C and E-Class vehicles (205/238 platforms), an incorrect …Launch NCU 20200 · Technical service bulletin · Engine and Engine Cooling · issued Feb 11, 2021
- NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clockLI54.30-P-072145 · Technical service bulletin · Electrical System · issued Dec 10, 2020
- This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be ca…EW - HVAC Service · Warranty extension · Visibility/wiper · issued Oct 29, 2020
- Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering ColumnLI46.15-P-071669 · Technical service bulletin · Steering · issued Sep 16, 2020
- Harsh engagement when changing gear range from P to D or RLI27.50-P-071658 · Technical service bulletin · Power Train · issued Aug 26, 2020
- Shifting complaints and transmission fault codes in vehicles with transmission 725.0LI27.00-P-060741 · Technical service bulletin · Power Train · issued Aug 24, 2020
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctionalLI82.85-P-071453 · Technical service bulletin · Communication · issued Jul 31, 2020
- Headlamps foggedLI82.10-P-063239 · Technical service bulletin · Exterior Lighting · issued Jun 30, 2020
- Headlamps foggedLI82.10-P-062049 · Technical service bulletin · Exterior Lighting · issued Jun 30, 2020
- Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. …LI82.10-P-064766 · Technical service bulletin · Exterior Lighting · issued Jun 30, 2020
- NTG5.5 Audio 20 with codes 355 and 357: Vehicle positioning inaccurate / implausible, route guidance not possibleLI82.85-P-071023 · Technical service bulletin · Equipment · issued Apr 30, 2020
- Information Label on Tire SealantP-SC-2020020001 · Technical service bulletin · Equipment · issued Feb 7, 2020
- Replace heat shield of exhaust systemP-SC-2019100021 · Technical service bulletin · Engine and Engine Cooling · issued Nov 14, 2019
- Fraying Headliner CordsLI77 30-P-070145 · Technical service bulletin · Equipment · issued Aug 15, 2019
- Throttle lift-off clunking noises at drive shafts of rear axleLI35 30-P-058566 · Technical service bulletin · Power Train · issued Aug 5, 2019
- Throttle lift-off clunking noises at drive shafts of front axleLI33 30-P-056665 · Technical service bulletin · Equipment Adaptive/mobility · issued Aug 5, 2019
- Outside mirror folding out/in nonfunctionalLI72 40-P-069934 · Technical service bulletin · Visibility · issued Jun 27, 2019
- Check coolant hose from expansion reservoir to cooler and replace if necessaryP-SC-2019050006 · Technical service bulletin · Engine and Engine Cooling · issued May 28, 2019
- "High-voltage battery warning message" in instrument clusterLI83-70-P-064480 · Technical service bulletin · Electrical System · issued May 22, 2019
- Electric range is reduced after brief periodLI54-10-P-069831 · Technical service bulletin · Hybrid Propulsion System · issued May 21, 2019
- COMAND Online (code 531): Wrong date in system settings, incorrect time in instrument clusterLI82-85-P-069725 · Technical service bulletin · Electrical System · issued May 20, 2019
- NTG 5.5 head unit - Browser shows "Fault during authentication" messageLI82-85-P-069789 · Technical service bulletin · Electrical System · issued May 20, 2019
- Head-up display (HUD, code 463) - lines on the display, display flickersLI54-30-P-069742 · Technical service bulletin · Equipment · issued May 2, 2019
- BR205 Facelift - Blind Spot Assist may activate without obvious causeLI54-71-P-068935 · Technical service bulletin · Lane Departure · issued May 2, 2019
- The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you regarding your vehicle ownership. What’s Included In our continuing effort…CL- Outside Temp EW · Technical service bulletin · Engine · issued Mar 20, 2019
- Daimler AG (“DAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on the various Model Year (“MY”) 2014 - 2018 Mercedes-Benz vehicles listed below, the engine con…EW- ECU Software · Warranty extension · Engine · issued Mar 13, 2019
- Seat belt extender toothed rack sluggish or makes noisesLI91 45-P-066075 · Technical service bulletin · Seat Belts · issued Jul 23, 2018
- Check Engine Light is on with DTC P030185/ P030685 for misfire cylinder 1 and 6.LI07 70-P-066276 · Technical service bulletin · Engine and Engine Cooling · issued Mar 12, 2018
- Update fuel system control unit (FSCU) softwareP-SC-2017080006 · Technical service bulletin · Fuel System, Gasoline · issued Mar 2, 2018
- Update HERMES control unit software2018010007 · Technical service bulletin · Electrical System · issued Feb 16, 2018
- LED light on thermal cup holder in rear passenger compartment of BR 222 flickersLI82 20-P-067107 · Technical service bulletin · Exterior Lighting · issued Oct 5, 2017
- Partial operation of interior ambient lightingLI82 20-P-067044 · Technical service bulletin · Interior Lighting · issued Sep 19, 2017
- Disturbed Antenna Signal.LI8262P0634113 · Technical service bulletin · Equipment · issued Nov 30, 2016
- Navigation system permanently displays "Activating".LI8285P0633424 · Technical service bulletin · Equipment · issued Nov 29, 2016
- Map pocket on front seat backrest trim does not close.LI9110P0633475 · Technical service bulletin · Equipment · issued Nov 21, 2016
- Reset the customer-specific data and perform a software update of the AUDIO20 control unit.LI8285P0602587 · Technical service bulletin · Equipment · issued Aug 29, 2016
- Headlamp fog.LI8210P0644042 · Technical service bulletin · Exterior Lighting · issued Aug 26, 2016
- Traffic information service and posibly the voice control, nonfunctional after navigation software update.LI8285P0647651 · Technical service bulletin · Equipment · issued Aug 25, 2016
- Navigation system permanently displays "Activating".LI8285P0633423 · Technical service bulletin · Equipment · issued Aug 25, 2016
- CD/DVD No longer ejected or drawn in.LI8260P0646761 · Technical service bulletin · Equipment · issued Aug 15, 2016
- High voltage battery warning message in instrument cluster.LI8370P0644803 · Technical service bulletin · Electrical System · issued Aug 11, 2016
- Gasket may settle causing a slight oil leak.LI1830P0597123 · Technical service bulletin · Engine and Engine Cooling · issued Aug 5, 2016
- ESP, BAS, PRE-SAFE - Fault message in instrument clusterLI54.18-P-062956 · Technical service bulletin · Electrical System · issued Jun 28, 2016
- Clunking noise from front axle suspension strut or rear axle shock absorber on short strokes of the damperLI32.25-P-061137 · Technical service bulletin · Suspension · issued Mar 24, 2015
- Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual"LI46.35-P-059989 · Technical service bulletin · Steering · issued Oct 16, 2014
- Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual"LI46.35-P-059989 · Technical service bulletin · Steering · issued Oct 10, 2014
- The Audio 20 control unit (A26/17) or COMAND Online control unit (A26/17) does not start (central display dark/ no audio output) and is not recognized with XENTRY Diagnostics altho…LI82.85-P-059362 · Technical service bulletin · Equipment · issued Jul 8, 2014
- The animation in individual vehicle settings such as, e.g. mirror folding function or seat belt adjustment is missing. Note: The functions of these vehicle settings are not affecte…LI82.85-P-059356 · Technical service bulletin · Electrical System · issued Jul 8, 2014
- Passenger side outside mirror glass adjusts itself at random at ignition on/offLI72.40-P-058875 · Technical service bulletin · Visibility · issued Apr 10, 2014
- In addition to the information published in the Introduction into Service Manual, note maintenance interval changes for model 205.P-B-00.20-105 · Technical service bulletin · Equipment · issued Mar 10, 2014
- MY-All Model 205, Maintenance IntervalP-B-00.20-105 · Technical service bulletin · Equipment · issued Mar 10, 2014
- Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.LI7240P056909 · Technical service bulletin · Visibility · issued Jul 30, 2013
- The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after inter…LI82.85-P-055695 · Technical service bulletin · Electrical System · issued Jul 8, 2013