2020 Mercedes-Benz CLA 250 service bulletins & manufacturer communications
276 manufacturer communications are on file with NHTSA for the 2020 Mercedes-Benz CLA 250. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 270Service campaign 4Warranty extension 2
- This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the pr…EW - DMTL · Warranty extension · Fuel/propulsion System · issued Jul 31, 2026
- Complaint 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 · Electrical System · issued Jul 17, 2026
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of trave…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jul 14, 2026
- Complaint 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
- 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 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
- 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 OR 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 OR 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 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
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the control unit software for the engine electronics does not corresp…NCU - 2026020005 · Service campaign · Engine · 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 · Structure · issued Feb 25, 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 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 OR 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 <p>A finger is permanently detected although none is present, but it is not identified (ghost function).</p><p>The result is a constant beep tone because no valid finger …LI82.00-P-080103 · Technical service bulletin · Electrical System · issued Dec 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 Dec 3, 2025
- Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the custome…LI68.20-P-080012 · Technical service bulletin · Electrical System · issued Nov 18, 2025
- Complaint 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 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 Oct 6, 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 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 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 OR 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 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
- 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
- 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 OR Other · issued Jun 17, 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 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 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
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued May 2, 2025
- Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Steering · issued May 2, 2025
- Complaint 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 Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keep…LI46.10-P-078012 · Technical service bulletin · Steering · issued Apr 11, 2025
- Complaint Check engine light comes on when driving/starting the vehicle. No drivability concerns. Cause SW conflict of the 48V battery Remedy 1.-Check for SW in the 48V battery. 1.…LI54.21-P-078926 · Technical service bulletin · Engine · issued Mar 26, 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 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 · Structure · 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
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the communication software does not correspond with the latest …OTA - 5497746 · Technical service bulletin · Electrical System · issued Mar 7, 2025
- Complaint 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 Mar 6, 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 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 OR 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 · Electrical System · issued Feb 12, 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 Feb 11, 2025
- Complaint The engine warning 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 curre…LI54.10-P-078888 · Technical service bulletin · Electrical System · issued Feb 11, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY19-25 A-Class, C-Class, CLA, CLS, E-Class, G-Class, GLA, GLB, GLC, GT, and S-Class (1…OTA- 24P5497747 · Technical service bulletin · Electrical System · issued Feb 7, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY20-25 A-Class, C-Class, CLA, CLS, E-Class, EQB, GLB, GLE, GLS, AMG GT 4-Door, and S-C…OTA - 24P5497745 · Technical service bulletin · Electrical System · issued Feb 7, 2025
- Complaint 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 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 Jan 27, 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 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 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 · Electrical System · issued Jan 6, 2025
- Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: In the quick te…LI82.85-P-078722 · Technical service bulletin · Electrical System · issued Jan 3, 2025
- Complaint 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
- Please visit an authorized Mercedes-Benz dealer where they will replace the rear axle flex disk, free of charge. Schedule an appointment by contacting the MBUSA Customer Care Cente…CL - 2024110007 · Technical service bulletin · Power Train · issued Dec 13, 2024
- Service Campaign 2024110007: Please visit an authorized Mercedes-Benz dealer where they will replace the rear axle flex disk, free of charge.CL - 2024110007 · Technical service bulletin · Structure · issued Dec 13, 2024
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2024 CLA and GLA (118 and 247 platform) vehicles, the rear axle flex d…NCU - 2024110007 · Service campaign · Power Train · issued Dec 13, 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
- 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 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 "Active Emergency Stop Assist Currently Unavailable" and "Active Steering Assist Inoperative" instrument cluster messages along with Tire Pressure Light on in Instrument …LI54.71-P-078498 · Technical service bulletin · Electrical System · issued Oct 16, 2024
- Complaint 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 · Engine · 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 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 · Visibility/wiper · issued Sep 11, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases c…LI82.10-P-078302 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to …LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint 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 · Forward Collision Avoidance · 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
- 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
- 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 · Engine and Engine Cooling · 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 · Electrical System · 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 · Electrical System · 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
- 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 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 - Fuel Hose · Technical service bulletin · Fuel System, Gasoline · issued Jul 21, 2023
- Cracking and creaking noise from area of inner B-pillar when driving on rough terrain. Spot welds in the area of the inner B-pillar could cause noises due to tension or contact of …LI63.20-P-076328 · Technical service bulletin · Structure · issued Jul 13, 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 · Communication · 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 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 Jan 5, 2023
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to th…LI46.15-P-063353 · Technical service bulletin · Steering · issued Dec 1, 2022
- 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
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2020 A-Class and CLA-Class (118 and 177 platform) vehicles, the transmission …NCU-2022100008 · Technical service bulletin · Power Train · issued Oct 28, 2022
- Complaint Chirping or tapping noise originating in area of front crankshaft pulley when engine cold. Noise may lessen as engine reaches operating temperature. Attachments File Desc…LI05.10-P-075373 · Technical service bulletin · Engine and Engine Cooling · issued Oct 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
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 CLA-Class and GLA-Class (118 and 247 platform) vehicles, the en…SC-2022060006 · Technical service bulletin · Equipment · issued Jul 22, 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 · Equipment · 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 · Equipment · 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
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2020 CLA-Class, A-Class, and GLB-Class (118, 177, and 247 platform) vehicles,…NCU-2022050022 · Technical service bulletin · Power Train · issued Jun 3, 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
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain MY 2020-2021 CLA-Class (118 platform) vehicles, the side impact strut of the front an…SC-2022030025 · Technical service bulletin · Structure · issued Apr 8, 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 · Wheels · 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
- Complaint Staining at top and bottom of trim bars of doors. See example pictures 1, 2. Cause Discoloration of the protective coating of beltline door trim bars and upper door trim …LI72.00-P-074481 · Technical service bulletin · Structure · issued Mar 3, 2022
- Complaint Brake squeal from front axle when braking to a standstill. Cause Frictional vibrations between brake lining and brake disk. There is no impact to braking capabilities. Re…LI42.15-P-074455 · Technical service bulletin · Service Brakes, Hydraulic · issued Feb 25, 2022
- Complaint The following complaints may be noted by the customer: â ¢ Upon selecting navigation, the central display may show the following message: "Map data does not match with yo…LI82.85-P-069961 · Technical service bulletin · Electrical System · issued Feb 24, 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
- "Model series 118, 177, and 247 with M139 engine and wi- thout code 810 - sound system volume and bass level too low "LI82.60-P-072403 · Technical service bulletin · Electrical System · issued Dec 22, 2021
- "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
- MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activatedLI82.85-P-06996 · Technical service bulletin · Equipment · issued Dec 2, 2021
- Spare wheel.NCU2021090006 · Technical service bulletin · Unknown OR Other · issued Sep 24, 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
- On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.LI8285P073418 · Technical service bulletin · Electrical System · issued Aug 24, 2021
- Important new emission service campaign information.Updates · Technical service bulletin · Engine and Engine Cooling · issued Aug 13, 2021
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warningLI8860P073470 · Technical service bulletin · Fuel System, Gasoline · issued Aug 11, 2021
- The customer may note that the Dashcam feature is inoperable with one of the following complaints.LI8285P073387Ver · Technical service bulletin · Equipment · issued Aug 9, 2021
- Insufficient charging or no wireless charging with iPhone 12.LI8270P073025 · Technical service bulletin · Equipment · issued Aug 9, 2021
- Transmission does not shift into reverse.LI2740P073393 · Technical service bulletin · Power Train · issued Aug 5, 2021
- The customer may note that the Dashcam feature is inoperable with one of the following complaints.LI8285P073387Ver · Technical service bulletin · Equipment · issued Aug 3, 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
- Front right tire pressure sensor sporadically or permanently not detected.LI4015P073336 · Technical service bulletin · Tires · issued Jul 26, 2021
- Coolant warning in instrument cluster - Leak in coolant lineLI20.20-P-073274 · Technical service bulletin · Equipment · issued Jul 8, 2021
- "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"LI82.85-P-068846 · Technical service bulletin · Equipment Adaptive/mobility · issued Jul 6, 2021
- Launch NCU - 2021030010 MY20-21 Various Add Supplementary Booklet to Printed Operators ManualNCU-2021030010 · Technical service bulletin · Equipment · issued Jul 2, 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
- Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020 C-Class (205) and GLE-Class (167) vehicles, the mixing ratio of coolan…Launch NCU 20210 · Technical service bulletin · Engine and Engine Cooling · issued Mar 26, 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
- If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being started, an audible humming noise may emit from the speakers. New sound amp (N…LI82.27-P-072402 · Technical service bulletin · Back Over Prevention · issued Feb 22, 2021
- Air Conditioning System Occasionally Does Not Cool Correctly At Outside Temperatures Above 40°CLI83.30-P-070309 · Technical service bulletin · Visibility · issued Dec 30, 2020
- Check engine light on and FC P146264 sto- red in engine and fuel pump control unitsLI47.50-P-070263 · Technical service bulletin · Engine · issued Dec 1, 2020
- Communication errors with control unit AWD_M- FA2 - N15/17 - All-wheel drive (transfer case)LI35.31-P-072107 · Technical service bulletin · Power Train · issued Nov 12, 2020
- Fault code for short circuit to ground stored in AW- D_MFA2 - N15/17 - all-wheel drive (transfer case)LI35.31-P-072106 · Technical service bulletin · Electrical System · issued Nov 12, 2020
- Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that certain MY 2019-2021 A-Class (177 platform), CLA-Class (118 platform), GLA-Class (247 pla…NCU-2020080023 · Technical service bulletin · Service Brakes, Hydraulic · issued Aug 28, 2020
- Implausible "service due" instrument cluster message, head unit pop-up, or Mmc messageLI00.20-P-070791 · Technical service bulletin · Electrical System · issued Aug 28, 2020
- Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lostLI82.70-P-071372 · Technical service bulletin · Equipment · issued Aug 10, 2020
- Xentry Battery Tester results disagree with workshop assessmentLI54.10-P-071499 · Technical service bulletin · Electrical System · issued Aug 10, 2020
- Engine diagnosis warning lamp activated - Fault code P012800LI20.10-P-060902 · Technical service bulletin · Lane Departure · issued Aug 3, 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
- MBUX multimedia system: "Favorites" and "Recent destinations" not availableLI82.85-P-071529 · Technical service bulletin · Electrical System · issued Jul 23, 2020
- Rollerblind or panoramic roof do not actuate as expectedLI68.69-P-071522 · Technical service bulletin · Visibility · issued Jul 23, 2020
- Air Conditioning Intermittently Does Not CoolLI83.30-P-071494 · Technical service bulletin · Equipment · issued Jul 20, 2020
- The operator's manual for the above vehicles does not comply with current specifications. "Daimler AG" may be documented as the manufacturer in the operator's manual. The new manuf…NCU-2020060021 · Technical service bulletin · Equipment · issued Jul 17, 2020
- Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"LI18.40-P-070746 · Technical service bulletin · Fuel System, Other · issued Jul 2, 2020
- Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"LI18.40-P-070746 · Technical service bulletin · Electrical System · issued Jul 1, 2020
- Headlamps foggedLI82.10-P-063239 · 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
- 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 · Electrical System · issued Jun 30, 2020
- After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. Ho…LI54.30-P-070030 · Technical service bulletin · Electrical System · issued Jun 29, 2020
- When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and pe…LI27.00-P-071367 · Technical service bulletin · Engine · issued Jun 29, 2020
- Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update…LI47.50-P-070263 · Technical service bulletin · Fuel System, Gasoline · issued Jun 26, 2020
- The mobile phone address book is not transferred completely to the multimedia system (COMAND or MBUX). In some cases, the call list shows just the telephone numbers but no names. T…LI82.70-P-071024 · Technical service bulletin · Equipment · issued Jun 25, 2020
- During a phone call, the Bluetooth connection between the MBUX multimedia system (A26/17) and a paired mobile phone may be briefly lost. The mobile phone will then reconnect with n…LI82.70-P-071372 · Technical service bulletin · Equipment · issued Jun 22, 2020
- Noticeable vibrations at steering wheel when parking or steering slowly while stationary. Possible controller oscillations in the electric power steering. Perform software update o…LI46.35-P-071285 · Technical service bulletin · Electrical System · issued Jun 17, 2020
- The following customer complaints may be noted: - "Service A/B Due" message is displayed in the instrument cluster before the appropriate mileage or date is reached - "Service A/B …LI00.20-P-070791 · Technical service bulletin · Power Train · issued Jun 16, 2020
- The seat heating in the vehicle cannot be activated. When the seat heating button is pressed the 3 red LEDs light up briefly and then go off again after a brief period (approx. 3 s…LI91.30-P-069668 · Technical service bulletin · Seats · issued Jun 16, 2020
- Air conditioning system may occasionally not cool at outside temperatures >40°CLI83.30-P-070309 · Technical service bulletin · Equipment · issued Jun 16, 2020
- Fault code B223209 is logged as "stored" in the parking control unit.LI54.65-P-071267 · Technical service bulletin · Electrical System · issued Jun 11, 2020
- Message in the IC "Gear Change to R Not Possible", the even gears are locked. Fault code P092500 is present in control unit Y3/14n4 (DKG) in combination with extended freeze frame …LI27.60-P-071321 · Technical service bulletin · Power Train · issued Jun 10, 2020
- A fixed SRS message is displayed in the instrument cluster. Cause is not safety-relevant and does not affect function of safety systems.LI54.21-P-070658 · Technical service bulletin · Air Bags · issued Jun 5, 2020
- The text field in the upper area may not correspond with our internal specifications in vehicles with 7-inch display in the vehicles of the above-mentioned model series transferred…NCU-2020050011 · Technical service bulletin · Back Over Prevention · issued May 22, 2020
- Instrument cluster display (driver's side) intermittently remains darkLI54.30-P-069821 · Technical service bulletin · Electrical System · issued May 21, 2020
- Fault code B223209 is logged in the parking control unitLI54.65-P-071267 · Technical service bulletin · Electrical System · issued May 21, 2020
- Check engine indicator light active and fault code P261029/P02FF85/P02FF02 stored in engine control unitLI54.30-P-070482 · Technical service bulletin · Engine · issued May 19, 2020
- Font Size of Indicator Lamps in the Instrument ClusterP-SC-2020020010 · Technical service bulletin · Electrical System · issued Feb 10, 2020
- Information Label on Tire SealantP-SC-2020020001 · Technical service bulletin · Equipment · issued Feb 7, 2020
- Invalid "service due" instrument cluster message, head unit pop-up, or MMC service lead emailLI00.20-P-070791 · Technical service bulletin · Electrical System · issued Jan 23, 2020
- Retrofitted front door exit lamps with logo projection flickerLI82.20-P-070189 · Technical service bulletin · Interior Lighting · issued Jan 14, 2020
- Display on driver's side remains sporadically darkLI54.30-P-069821 · Technical service bulletin · Electrical System · issued Dec 23, 2019
- SRS Message Displayed in Instrument ClusterLI54.21-P-070658 · Technical service bulletin · Electrical System · issued Dec 17, 2019
- Fuel tank overfilling due to malfunctioning fill station dispenser- model series 167, 177, 118, 247LI47.10-P-068407 · Technical service bulletin · Fuel System, Gasoline · issued Dec 16, 2019
- Air conditioning system occasionally does not cool correctly at outside temperatures >40 C (104 F)LI83.30-P-070309 · Technical service bulletin · Equipment · issued Dec 10, 2019
- Possible outside influence or other cause.LI46.15-P-070510 · Technical service bulletin · Steering · issued Dec 3, 2019
- Squeaking Noise from Exhaust Gas FlapLI49.10-P-064655 · Technical service bulletin · Back Over Prevention · issued Nov 21, 2019
- EASY-Pack liftgate does not fully openLI72.20-P-070556 · Technical service bulletin · Equipment · issued Nov 14, 2019
- Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.LI2700P0647671 · Technical service bulletin · Unknown OR Other · issued Aug 26, 2016
- Gasket may settle causing a slight oil leak.LI1830P0597123 · Technical service bulletin · Engine and Engine Cooling · issued Aug 5, 2016
- Vehicle rocks or lurches once after sitting in park with engine running for roughly 10 minutesLI27.60-P-059304 · Technical service bulletin · Engine and Engine Cooling · issued Jul 1, 2014
- Creaking noises in area of center consoleLI68.20-P-058781 · Technical service bulletin · Equipment · issued Mar 31, 2014
- Coolant warning message in the instrument cluster although the coolant level is OKLI20.00-P-057734 · Technical service bulletin · Engine and Engine Cooling · issued Mar 24, 2014
- Engine diagnosis warning lamp active - check engine light (CEL) on. The fault code P052E71 is logged in the fault memory of the engine control unit.LI07.70-P-058650 · Technical service bulletin · Engine and Engine Cooling · issued Mar 21, 2014
- The center stowage compartment does on close or open smoothly.LI68.20-P-058749 · Technical service bulletin · Equipment · issued Mar 18, 2014
- ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable due to a malfunction. Also the adaptive brake lights, Adaptive Brake Assist an…LI54.18-P-057974 · Technical service bulletin · Electrical System · issued Mar 13, 2014
- Engine diagnosis warning lamp is active. One or more of the faults listed under 'Control unit / Fault code' relating to the throttle valve actuator (M16/6) and/or oxygen sensor (G3…LI54.18-P-057927 · Technical service bulletin · Engine and Engine Cooling · issued Mar 7, 2014
- The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is display…LI54.15-P-057373 · Technical service bulletin · Power Train · issued Feb 28, 2014
- Surface damage on steering wheel trimLI46.10-P-057961 · Technical service bulletin · Steering · issued Feb 18, 2014
- Implausible coolant warning message in instrument clusterLI20.00-P-057734 · Technical service bulletin · Electrical System · issued Feb 14, 2014
- Transmission intermittently fails to shift, vehicle jolts in higher gears. The dual clutch transmission (DKG) control unit contains the stored FC 92177 or 92100 - The shift valve o…LI27.60-P-058317 · Technical service bulletin · Power Train · issued Feb 5, 2014
- Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"GI88.40-P-057430 · Technical service bulletin · Equipment · issued Feb 3, 2014
- Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel). The clunk is heard once when changing from forward to reverse (and vice vers…LI33.30-P-056665 · Technical service bulletin · Steering · issued Jul 18, 2013
- Parktronic inoperable.LI5465P056779 · Technical service bulletin · Electrical System · issued Jul 15, 2013
- Vehicle wanders to the left or right.LI46.10-P-056468 · Technical service bulletin · Steering · issued Jul 3, 2013