2021 Mercedes-Benz GLB 250 service bulletins & manufacturer communications
221 manufacturer communications are on file with NHTSA for the 2021 Mercedes-Benz GLB 250. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 215Warranty extension 3Service campaign 3
- Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. May be most noticeable when transi…LI 27.10-P-080851 · Technical service bulletin · Power Train · issued Aug 29, 2026
- Complaint Temporary no start condition with check engine light and multiple warning messages. When performing a quick test, the following fault code is stored in Y3/14 ‑ Transmissi…LI27.19-P-080869 · Technical service bulletin · Electrical System · issued Aug 29, 2026
- Complaint Customers may report one or more of the following: • Transmission malfunction message • Check engine light illuminated • Shifts into N • Concern disappears after ignition…LI27.19-P-080823 · Technical service bulletin · Power Train · issued Aug 25, 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 · Structure · issued Aug 24, 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 - Tank Leak Detection · Warranty extension · Fuel/propulsion System · issued Aug 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 Aug 12, 2026
- 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 · Structure · issued Aug 6, 2026
- Complaint Customers may report one or more of the following: • Transmission malfunction message • Check engine light illuminated • Shifts into N • Concern disappears after ignition…LI27.19-P-080823 · Technical service bulletin · Power Train · issued Aug 4, 2026
- 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 CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247:…LI54.21-P-080326 · Technical service bulletin · Electrical System · issued Jul 24, 2026
- Complaint Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keeping Assist…LI46.10-P-078012 · Technical service bulletin · Steering · 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 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 CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167: SW has been released. Update the FSAM to the latest SW version. 465, 290, 118, 243, 247:…LI54.21-P-080326 · Technical service bulletin · Electrical System · issued Jul 2, 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 · Engine · 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 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 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
- Complaint There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The …LI32.25-P-070053 · Technical service bulletin · Suspension · issued May 16, 2026
- Complaint Wind noises in area along the top of windshield at speeds above 60mph. Cause Insufficient sealing between the windshield lip seal and the body. Remedy Preliminary Check: …LI67.10-P-071418 · Technical service bulletin · Structure · issued May 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 · Back Over Prevention · 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 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 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 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 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 -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 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 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 There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The …LI32.25-P-070053 · Technical service bulletin · Suspension · issued Mar 10, 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 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 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 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 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 Feb 24, 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 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 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 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 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 Feb 5, 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 · Back Over Prevention · 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
- 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 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
- 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 Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1. Cause As part of the production process, the electrohydraulic co…LI27.19-P-080155 · Technical service bulletin · Power Train · issued Dec 19, 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 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 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-078888 · Technical service bulletin · Electrical System · issued Dec 3, 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 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
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the 48-V on-board electrical system battery software might not …NCU - 2025100004 · Service campaign · Electrical System · issued Oct 31, 2025
- Complaint Instrument cluster message "4MATIC inoperative". The following fault code may be present in all-wheel drive control unit N15/17: P147354 - Erroneous adaptation of the tra…LI35.31-P-077429 · Technical service bulletin · Power Train · issued Oct 29, 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 Bulging and contact of the rear spoiler when hatch is opened (picture 1-1). When opening the rear hatch, the rear spoiler rests at the roof edge, which can result in dama…LI72.20-P-079685 · Technical service bulletin · Structure · issued Sep 16, 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 Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates …LI80.50-P-077350 · Technical service bulletin · Electrical System · issued Sep 3, 2025
- Complaint To prevent the wiper motor from overheating, the wipe frequency is reduced automatically when a dry windshield is detected. In specific situations under various independe…LI82.35-P-079531 · Technical service bulletin · Visibility/wiper · issued Sep 3, 2025
- Complaint The Dynamic or Park Camera button in the LCP is stuck or does not react. Cause In rare cases, tension between the component parts of the LCP and trim of the center consol…LI54.25-P-079602 · Technical service bulletin · Unknown / Other · issued Sep 3, 2025
- Complaint Transmission limp-home mode with fault message in IC "Gear Change to R Not Possible", the even gears are locked. The concern of transmission limp-home mode disappears aft…LI27.60-P-071321 · Technical service bulletin · Power Train · issued Aug 7, 2025
- Complaint Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (I…LI27.00-P-077141 · Technical service bulletin · Power Train · issued Aug 5, 2025
- Complaint: Check engine light comes on when driving/starting the vehicle. No drivability concerns. Cause: Communication error in G1/3 - 48 V on-board electrical system battery (48 …LI54.21-P-078926 · Technical service bulletin · Engine · issued Aug 4, 2025
- 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-078888 · Technical service bulletin · Electrical System · issued Aug 1, 2025
- Complaint Check engine light comes on when driving/starting the vehicle. No drivability concerns. Cause SW conflict of the 48V battery Remedy Update the 48V battery to SW 25/12 A00…LI54.21-P-078926 · Technical service bulletin · Electrical System · issued Aug 1, 2025
- 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-078888 · Technical service bulletin · Electrical System · issued Aug 1, 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 After a software update for instrument cluster (IC) control unit (N133/1) is performed the following customer complaints may be noted: - One or more menu selections (navi…LI54.30-P-071086 · Technical service bulletin · Electrical System · issued Jul 29, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the MBUX system software does not correspond with the latest series p…OTA - 25P5497847 · Technical service bulletin · Electrical System · issued Jul 11, 2025
- Complaint The head unit cannot be operated via the steering wheel buttons on the right side. Cause A26/17 - MBUX multimedia system (head unit) software Remedy Update the A26/17 - M…LI82.60-P-079463 · Technical service bulletin · Electrical System · issued Jun 24, 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 · Electrical System · issued May 30, 2025
- 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-078888 · Technical service bulletin · Electrical System · issued May 27, 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 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 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 SCN coding in the Belt-driven Starter Alternator (BSA) control un…NCU-2025040008 · Service campaign · Engine · issued May 2, 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 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-078888 · Technical service bulletin · Electrical System · issued Apr 24, 2025
- Complaint The message "Device detected at diagnostics connection See Operator’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving (s…LI54.30-P-079004 · Technical service bulletin · Electrical System · issued Apr 22, 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 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 · Electrical System · 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 · Seats · issued Apr 21, 2025
- Complaint MBUX head unit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Head unit software variant. Remedy For all cha…LI54.71-P-078802 · Technical service bulletin · Electrical System · issued Mar 28, 2025
- Complaint Front right tire pressure sensor sporadically or permanently not detected. Applicable fault codes on front right tire pressure sensor, see table "Control unit/fault code"…LI40.15-P-073336 · Technical service bulletin · Wheels · issued Mar 18, 2025
- Complaint MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Under analysis. Remedy For chassis 118, 167, 17…LI54.71-P-078802 · Technical service bulletin · Back Over Prevention · issued Mar 18, 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 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
- 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
- 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 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 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 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 · Visibility/wiper · 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
- Complaint MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Under analysis. Remedy For chassis 118, 167, 17…LI54.71-P-078802 · Technical service bulletin · Electrical System · issued Feb 3, 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 · Electrical System · 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 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 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 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 There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The …LI32.25-P-070053 · Technical service bulletin · Suspension · 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 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 Jan 6, 2025
- Complaint There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The …LI32.25-P-070053 · Technical service bulletin · Structure · issued Dec 21, 2024
- Complaint <p> After a software update, the MBUX multimedia system (A26/17) may incorrectly display the fault code B19C804 "Software tampering has been detected. There is an interna…LI82.85-P-068986 · Technical service bulletin · Electrical System · issued Dec 6, 2024
- Complaint Symptoms with driver display and/or central display Cause Under analysis Remedy NOTE: Please do not replace any parts. If you have symptoms with one or both displays, a T…LI54.30-P-078649 · Technical service bulletin · Electrical System · issued Dec 4, 2024
- 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 · Structure · issued Dec 3, 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 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 Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates …LI80.50-P-077350 · Technical service bulletin · Electrical System · issued Nov 4, 2024
- Complaint Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates …LI80.50-P-077350 · Technical service bulletin · Electrical System · issued Oct 29, 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 Customer complains of wind noises. Cause The cause is being clarified. Remedy If wind noises can be clearly attributed to the roof railing, create a TIPS case with the fo…LI77.40-P-078469 · Technical service bulletin · Structure · issued Oct 3, 2024
- Complaint After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Cause Sof…LI82.60-P-077495 · Technical service bulletin · Electrical System · issued Sep 28, 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 After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Cause Sof…LI82.60-P-077495 · Technical service bulletin · Electrical System · issued Sep 20, 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 · Electrical System · 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 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 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 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 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 Instrument cluster message "4MATIC inoperative". The following fault code may be present in all-wheel drive control unit N15/17: P147354 - Erroneous adaptation of the tra…LI35.31-P-077429 · Technical service bulletin · Power Train · issued Jul 10, 2024
- Complaint Noise can be heard coming from the air conditioning system at higher blower motor speeds. Cause Leaves/foreign objects have entered through the water drain grille in the …LI83.10-P-077934 · Technical service bulletin · Visibility/wiper · issued Jun 6, 2024
- Instrument cluster message "4MATIC inoperative". The following fault code may be present in all-wheel drive control unit N15/17: P147354 - Erroneous adaptation of the transfer case…LI35.31-P-077429 · Technical service bulletin · Power Train · issued May 7, 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
- 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 co…CL - 240401 · Technical service bulletin · Electrical System · issued Apr 30, 2024
- This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model Year (MY) MY19-24 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, G…OTA - 20240402 · Technical service bulletin · Electrical System · issued Apr 26, 2024
- Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. P…LI47.20-P-071172 · Technical service bulletin · Electrical System · issued Apr 23, 2024
- IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our custome…EW - FSCM SW · Technical service bulletin · Fuel System, Gasoline · issued Apr 12, 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 · Structure · issued Mar 11, 2024
- The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version…LI82.60-P-077553 · Technical service bulletin · Equipment · issued Feb 23, 2024
- After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading wheel is displayed. See attached picture for example. Software version Re…LI82.60-P-077495 · Technical service bulletin · Electrical System · issued Feb 15, 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
- Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2019-2023 A-Class, CLA, E-Class, G-Class, GLA, GLB, GLC, GLE, GLS…NCU-OTA Comm Mod · Technical service bulletin · Electrical System · issued Jan 29, 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
- Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLA and GLB (247 platform) vehicles, the identification plate on th…NCU- B-Pillar ID · Technical service bulletin · Structure · issued Jan 18, 2024
- Complaint Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is parked and/or when entering the vehicle. All MFA2 and 167 derivates …LI80.50-P-077350 · Technical service bulletin · Electrical System · issued Jan 12, 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
- 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
- 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
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-23 A-Class, CLA, CLS, E-Class, EQB, GLA, GLB, GLC, GLE, GLS, AMG GT (177, 118, 257…OTA-Head Unit SW · Technical service bulletin · Electrical System · issued Dec 1, 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
- 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-ExhaustValve · Technical service bulletin · Engine and Engine Cooling · issued Aug 3, 2023
- In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice versa). Temperature setting in Mmc mobile application settings incorrect…LI82.85-P-075375 · Technical service bulletin · Unknown / Other · issued Jun 9, 2023
- Complaint Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON". After the next ignition cycle, the ambient lighting functions ag…LI82.20-P-074734 · Technical service bulletin · Electrical System · issued Apr 4, 2023
- Complaint Excessive resistance of door side windows when being raised/lowered, cracking and squeaking noises. Cause Sealing lip of inner sealing rail (see picture 1 and picture 2, …LI72.00-P-076031 · Technical service bulletin · Visibility · issued Mar 8, 2023
- Complaint Squeaking noises from the front axle brakes when operating the brakes. The noise occurs regardless of the temperature. Cause The noise occurs due to friction between the …LI42.10-P-075968 · Technical service bulletin · Service Brakes · issued Mar 2, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLA-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, GLEClass,…NCU-2022010001 · Technical service bulletin · Electrical System · issued Feb 10, 2023
- 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 · Latches/locks/linkages · issued Jan 5, 2023
- Complaint Noise can be heard coming from the air conditioning system at higher blower motor speeds. Cause Leaves/foreign objects have entered through the water drain grille in the …LI83.10-P-075602 · Technical service bulletin · Visibility · issued Jan 4, 2023
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLA-Class and GLB-Class (156/247 platform) vehicles, the transm…NCU-2022110007 · Technical service bulletin · Power Train · issued Dec 9, 2022
- Complaint Staining on door trim strips and top and bottom trim elements on rear side windows. See example pictures 1, 2 and 3. Cause Damage to protective coating of door beltline t…LI72.00-P-075656 · Technical service bulletin · Structure · issued Dec 5, 2022
- 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
- Complaint Squeaking noise from area of input shaft of electric steering Cause Inadequate lubrication. Remedy Grease/lubricate sealing area of input shaft. â ¢ The steering componen…LI46.35-P-074816 · Technical service bulletin · Steering · issued Nov 1, 2022
- Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favo…LI82.60-P-075292 · Technical service bulletin · Electrical System · issued Sep 8, 2022
- Complaint Vibrations in steering at speeds lower than 30 mph. Possible when turning and also partly noticeable after changing to winter or all-season tires. Cause Controller stabil…LI46.35-P-075129 · Technical service bulletin · Steering · issued Sep 2, 2022
- Complaint Vibrations in steering at speeds lower than 30 mph. Possible when turning and also partly noticeable after changing to winter or all-season tires. Cause Controller stabil…LI46.35-P-075129 · Technical service bulletin · Steering · issued Aug 2, 2022
- Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus kee…LI54.10-P-071832 · Technical service bulletin · Engine and Engine Cooling · issued Jul 20, 2022
- 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 · Equipment · issued Jul 11, 2022
- Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand steering wheel touchpad. Cause A setting on the iPhone may prevent cont…LI82.85-P-075044 · Technical service bulletin · Electrical System · issued Jul 8, 2022
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (â MYâ ) 2020-2022 A-Class, C-Class, CLAClass, GLA-Class, GLB-Cla…NCU-2022060008 · Technical service bulletin · Electrical System · issued Jun 30, 2022
- Complaint Squeaking noise from area of input shaft of electric steering Cause Inadequate lubrication. Remedy Grease/lubricate sealing area of input shaft.LI46.35-P-074816 · Technical service bulletin · Steering · issued May 9, 2022
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that certain MY 2021-2022 CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class (11…SC- 2022030017 · Technical service bulletin · Electrical System · issued Apr 27, 2022
- Complaint Volume and bass level too low Cause Current sound amp (N40/3) software release. Important: â ¢ On vehicles with standard sound, the rear subwoofer (H21/35) emits the engi…LI82.60-P-072403 · Technical service bulletin · Electrical System · issued Apr 14, 2022
- Complaint Fault message (yellow) in instrument cluster and TPM warning lamp. Individual or all tire pressure sensors are not recognized. Tire pressure monitoring system nonfunction…LI40.15-P-074659 · Technical service bulletin · Electrical System · issued Apr 1, 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 produced certain MY 2021-2022 A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLE-Class, GLS-Class, and GT-Cl…SC-2022010001 · Technical service bulletin · Electrical System · issued Feb 25, 2022
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-22 A-Class (177 platform), CLA-Class (118 platform), CLS-Class (257 …SC-2022010008 · Technical service bulletin · Electrical System · issued Feb 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
- New service campaign launch information.NCU2021080002 · Technical service bulletin · Equipment · issued Oct 29, 2021
- New service campaign launch information.NCU2021070013 · Technical service bulletin · Equipment · issued Oct 22, 2021
- New service campaign launch information.NCU2021070018 · Technical service bulletin · Equipment · issued Oct 1, 2021
- Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map da…LI8285P069961 · Technical service bulletin · Equipment · issued Aug 30, 2021
- The customer may note that the Dashcam feature is inoperable with one of the following complaints.LI8285P073387Ver · Technical service bulletin · Equipment · issued Aug 27, 2021
- Insufficient charging or no wireless charging with iPhone 12.LI8270P073025 · Technical service bulletin · Equipment · issued Aug 9, 2021
- The customer may note that the Dashcam feature is inoperable with one of the following complaints:LI8285P073387Ver · Technical service bulletin · Equipment · issued Aug 2, 2021
- Launch NCU - 2021030010 MY20-21 Various Add Supplementary Booklet to Printed Operators ManualNCU-2021030010 · Technical service bulletin · Equipment · issued Jul 2, 2021
- with engine M17x the ME Control Unit: "The Coolant Temperature is Below the Specified Temperature"LI20.10-P-072886 · Technical service bulletin · Electrical System · issued Apr 20, 2021
- New map data cannot be downloaded by the customer from the Mercedes me PortalNew map data cannot be downloaded by the customer from the Mercedes me PortalLI82.85-P-072730 · Technical service bulletin · Equipment · issued Mar 31, 2021
- Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy: Deactivate transport mode and drive vehicle for approx 6mi. The DTC then switches t…LI54.70-P-068094 · Technical service bulletin · Equipment · issued Mar 29, 2021
- X247 code 233 - Blind Spot Assist inoperative (fault message in IC) - Fault code C110178 due Positioning of rear left radar sensorLI54.71-P-072473 · Technical service bulletin · Lane Departure · issued Mar 29, 2021
- Complaint: When removing the steering column switch module, a fracture may occur in the bridge of the locking hole on the steering column switch module cover, at the join with the …LI46.10-P-072751 · Technical service bulletin · Electrical System · issued Mar 29, 2021
- Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the first Remote Start via the Mercedes me App was canceled and then started agai…LI80.57-P-072708 · Technical service bulletin · Electrical System · issued Mar 24, 2021
- Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Should…LI46.11-P-071594 · Technical service bulletin · Steering · issued Mar 19, 2021
- Humming noises or vibrations from the area of the rear axle when maneuvering or moving off at traffic lights/intersections.LI35.31-P-072105 · Technical service bulletin · Suspension · issued Mar 12, 2021
- Noise from the front axle when steering while stationary or when steering at low speedsLI32.20-P-072611 · Technical service bulletin · Steering · issued Mar 10, 2021
- Slight grinding noise when steering is turned to full lockLI40.10-P-072604 · Technical service bulletin · Steering · issued Mar 9, 2021
- In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia sy…LI82.85-P-071394 · Technical service bulletin · Equipment · issued Feb 24, 2021
- Complaint BR X247 only Code 233 Several messages of driver assistant system related - "Active Brake Assist temporarily not available, see manual"(Yellow) - "Active Blind Spot Assis…LI54.71-P-072473 · Technical service bulletin · Lane Departure · issued Feb 19, 2021
- The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. -…LI82.85-P-069381 · Technical service bulletin · Electrical System · issued Jan 4, 2021
- Gasket may settle causing a slight oil leak.LI1830P0597123 · Technical service bulletin · Unknown / Other · issued Aug 5, 2016