2020 Mercedes-Benz C 300 service bulletins & manufacturer communications
169 manufacturer communications are on file with NHTSA for the 2020 Mercedes-Benz C 300. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 164Warranty extension 3Service campaign 2
- This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the pr…EW - DMTL · Warranty extension · Fuel/propulsion System · issued Jul 31, 2026
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2021 C-Class, G-Class, GLC, GT, S-Class (205, 463, 253, 190 & 222 platforms) ve…Emissions - 2024100016 · Technical service bulletin · Engine · issued Jul 24, 2026
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of trave…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jul 14, 2026
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline f…PSL-NCU Return Parts 6/19 · Technical service bulletin · Visibility/wiper · issued Jun 19, 2026
- Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The r…LI00.20-P-080703 · Technical service bulletin · Electrical System · issued Jun 12, 2026
- Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument …LI82.85-P-080507 · Technical service bulletin · Electrical System · issued May 26, 2026
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline f…PSL-NCU Return Parts 5/22 · Technical service bulletin · Structure · issued May 22, 2026
- Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not …LI82.30-P-059239 · Technical service bulletin · Visibility/wiper · issued May 19, 2026
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no late…PSL-NCU Return Parts 5/15 · Technical service bulletin · Suspension · issued May 15, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued May 12, 2026
- Complaint Damaged cords/tensioning cables at the soft top interior trim with the following characteristics: - Cord/tensioning cable torn - Cord/tensioning cable worn - Cord/tension…LI77.30-P-070145 · Technical service bulletin · Structure · issued Apr 28, 2026
- Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to a…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 16, 2026
- Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adju…LI01.30-P-072328 · Technical service bulletin · Engine · issued Mar 27, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Mar 9, 2026
- Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has drop…LI54.10-P-073164 · Technical service bulletin · Electrical System · issued Mar 4, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Feb 28, 2026
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Feb 24, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software does not correspond to current produ…NCU - 2024090007 · Service campaign · Engine · issued Feb 14, 2026
- Complaint Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure sensor 'A' has a short circuit to positive stored in VGS control u…LI27.19-P-080219 · Technical service bulletin · Power Train · issued Feb 13, 2026
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Feb 13, 2026
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibili…NCU - 2025090001 · Service campaign · Unknown OR Other · issued Feb 13, 2026
- Complaint The vehicle cannot disengage “P” (Park), and a red warning message appears in the instrument cluster. Cause Only vehicles with transmission NAG3C 725.0 and engine M264 wi…LI27.60-P-080167 · Technical service bulletin · Power Train · issued Feb 12, 2026
- Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, v…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Feb 3, 2026
- Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adju…LI01.30-P-072328 · Technical service bulletin · Engine · issued Feb 2, 2026
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA i…CL - EW M264 · Technical service bulletin · Engine · issued Jan 23, 2026
- Complaint 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
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC is extending the warra…EW - Cylinder Head M264 · Warranty extension · Engine · issued Jan 10, 2026
- Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Veri…LI83.30-P-079850 · Technical service bulletin · Visibility/wiper · issued Jan 7, 2026
- Complaint (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS) when the vehicle is stationary and ECO Start/Stop is active (comb…LI27.35-P-080160 · Technical service bulletin · Power Train · issued Dec 20, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No ca mera image is displayed in the head unit. The rever…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Dec 18, 2025
- Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. C…LI54.65-P-080132 · Technical service bulletin · Electrical System · issued Dec 11, 2025
- Complaint The shift from 1st to 2nd gear may be uncomfortable under light load. Cause Vehicles with engine M264 and transmission 725.0 may be equipped with specific software versio…LI27.60-P-079967 · Technical service bulletin · Power Train · issued Nov 17, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued Nov 15, 2025
- Complaint Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in the EEPROM or Transmission Health system following the replacem…LI27.35-P-079971 · Technical service bulletin · Power Train · issued Nov 10, 2025
- Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, v…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Nov 3, 2025
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued Sep 25, 2025
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function), noise (breakaway noise) when leavin…LI46.15-P-063353 · Technical service bulletin · Steering · issued Jun 9, 2025
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty c…CL - 05012025 · Technical service bulletin · Fuel/propulsion System · issued May 30, 2025
- Complaint The following most common complaints may be observed: • Brief connectivity interruptions when using Apple CarPlay over Wi-Fi • Audio cuts out • Device not recognized • No…LI82.85-P-079088 · Technical service bulletin · Electrical System · issued May 30, 2025
- Complaint After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle, the message "SOS - Service not activated" is displayed in the i…LI82.85-P-079271 · Technical service bulletin · Electrical System · issued May 22, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued May 21, 2025
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) is extending…EW - Tank Leakage · Warranty extension · Fuel/propulsion System · issued May 15, 2025
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that certain Model Year (“MY”) 2019 – 2022 C-Class, CLS, E-Class, E-Class Coupe/Convertible, GLE/GLS-Cl…NCU-2025050001 · Technical service bulletin · Electrical System · issued May 8, 2025
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued May 2, 2025
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078896 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP…LI82.85-P-079087 · Technical service bulletin · Electrical System · issued Apr 21, 2025
- Complaint A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after parking See video for example Cause Noise originates within the…LI27.35-P-079039 · Technical service bulletin · Power Train · issued Mar 24, 2025
- Complaint The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see …LI54.30-P-079004 · Technical service bulletin · Exterior Lighting · issued Mar 11, 2025
- 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 During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Mar 5, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Feb 24, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Feb 24, 2025
- Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the te…LI47.50-P-078804 · Technical service bulletin · Fuel/propulsion System · issued Feb 21, 2025
- 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
- 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 Paint damage on door paneling in area of door handle (see picture 1). Cause Alignment of door handle bearing bracket is not correct. Remedy 1. Paint the affected area of …LI72.00-P-071544 · Technical service bulletin · Structure · issued Jan 24, 2025
- Complaint Noise from area of instrument panel Noise might occur in the following conditions: - At engine speeds of 1500 rpm to 2000 rpm. - In the speed range up to 45mph - Type of …LI68.10-P-070572 · Technical service bulletin · Structure · issued Jan 24, 2025
- Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the te…LI47.50-P-078804 · Technical service bulletin · Fuel/propulsion System · issued Jan 24, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued Jan 16, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing directio…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jan 15, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The revers…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Jan 15, 2025
- Complaint The flap of the reversing camera opens and closes by itself during forward travel. This happens several times during the trip. The customer notices the sound of opening a…LI54.65-P-066284 · Technical service bulletin · Electrical System · issued Nov 25, 2024
- Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission…LI27.19-P-072588 · Technical service bulletin · Power Train · issued Nov 20, 2024
- Complaint After a control unit replacement of "N112/9 - control unit for telematics services (HERMES)" or the "N112/2 - control unit for telematics services (RAMSES)", the Digital …LI82.85-P-078473 · Technical service bulletin · Electrical System · issued Nov 20, 2024
- Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any …LI82.10-P-078069 · Technical service bulletin · Exterior Lighting · issued Nov 13, 2024
- Complaint Only vehicles with a variable transfer case are affected. Can be identified through control unit N45 or N15/7 in the quick test When accelerating with light load, vibrati…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Nov 12, 2024
- Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1.…LI82.35-P-078467 · Technical service bulletin · Structure · issued Oct 23, 2024
- Complaint Check engine light on. One of the below fault codes is current in the engine control module (N3/10). P04DB29, P04DB31, P04DB79 Cause Open circuit or high resistance to cr…LI01.20-P-078446 · Technical service bulletin · 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 Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has stopped. Cause The tension-releasing jolt in the drivetrain ori…LI27.00-P-074450 · Technical service bulletin · Power Train · issued Oct 1, 2024
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Sep 28, 2024
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078307 · Technical service bulletin · Exterior Lighting · issued Sep 21, 2024
- Complaint Check engine light on. Fault code P207273 - "Throttle actuator valve is blocked due to ice" stored. Engine may crank and not start. Fault code P210185 may also be stored.…LI07.70-P-078078 · Technical service bulletin · Engine · issued Sep 16, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases c…LI82.10-P-078302 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to …LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to the housing cover with pressure compensation diaphragm, the headlamps are a "closed system". This means that the headla…LI82.10-P-078304 · Technical service bulletin · Exterior Lighting · issued Sep 9, 2024
- Complaint To insure vehicle down time is kept at a minimum and all required information is available when case is escalated, as well as assist technicians with checks that may help…LI27.00-P-075630 · Technical service bulletin · Power Train · issued Sep 9, 2024
- Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any …LI82.10-P-078069 · Technical service bulletin · Exterior Lighting · issued Jul 23, 2024
- Complaint Yellow Coolant warning comes on in cluster Fault codes below are current or stored in MED41 P0A0500- The actuation of the circulation pump for the low-temperature circuit…LI20.00-P-074205 · Technical service bulletin · Engine · issued Jul 20, 2024
- Complaint Check engine light on and fault code P019185 current or stored in MED41 control unit. Adaptation and misfire faults may also be stored. Vehicle may enter limp home mode. …LI07.70-P-078047 · Technical service bulletin · Engine · issued Jul 17, 2024
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G-TRONIC automatic transmission f…LI27.00-P-073124 · Technical service bulletin · Power Train · issued Jul 9, 2024
- Complaint Only vehicles with a variable transfer case are affected. Can be identified through control unit N45 or N15/7 in the quick test When accelerating with light load, vibrati…LI27.10-P-075869 · Technical service bulletin · Power Train · issued Jul 9, 2024
- Complaint Complaints about shift quality in vehicles of MODEL 205, 212 and 222 with TRANSMISSION 724.2. Cause If the shift adaptation is not performed as described under "Remedy", …LI27.00-P-060903 · Technical service bulletin · Power Train · issued Jun 21, 2024
- Complaint Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches of road and in long corners • With driver assistance systems swit…LI46.35-P-073051 · Technical service bulletin · Steering · issued Jun 12, 2024
- Complaint The driver's seat memory settings do not synchronize with the driver's user profile as described in the operator's manual. Driver's seat settings are not transferred to t…LI82.85-P-070742 · Technical service bulletin · Electrical System · issued Jun 6, 2024
- Complaint Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches of road and in long corners • With driver assistance systems swit…LI46.35-P-073051 · Technical service bulletin · Electrical System · issued May 8, 2024
- 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
- 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
- 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 (â  MBAGâ  ), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, …NCU-OTAcommNoMMC · Technical service bulletin · Electrical System · issued Jan 18, 2024
- 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
- Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. Various causes Up to Model year 2018 Fault code P06DA00 can be disregarde…LI07.70-P-070763 · Technical service bulletin · Engine and Engine Cooling · issued Nov 17, 2023
- Wheezing noises from the front shock absorbers when passing over surface undulations and rough road. The noises may become more conspicuous with warm damper oil. The flow noises of…LI32.25-P-076956 · Technical service bulletin · Suspension · issued Oct 12, 2023
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in parti…LI82.85-P-076800 · Technical service bulletin · Electrical System · issued Oct 10, 2023
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (â MBUSAâ ) is extending th…ELW -Intake Line · Technical service bulletin · Engine and Engine Cooling · issued Sep 22, 2023
- 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
- Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (â MYâ ) 2016 â 2021 C-Class (205 platform), E-Class (213 platform) and GL…NCU-2023060003 · Technical service bulletin · Visibility · issued Jun 15, 2023
- Complaint Loads induced at the steering wheel through pushing and pulling actions may cause creaking and cracking noises in the mechanical steering column. Cause Insufficient greas…LI46.15-P-071669 · Technical service bulletin · Steering · issued Mar 1, 2023
- 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
- Staining on door trim strips and top and bottom trim elements on rear side windows. Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side…LI72.00-P-075743 · Technical service bulletin · Structure · issued Jan 4, 2023
- Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to th…LI46.15-P-063353 · Technical service bulletin · Steering · issued Dec 1, 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 Jul 14, 2022
- Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shoc…LI32.25-P-066246 · Technical service bulletin · Suspension · issued Jul 11, 2022
- Complaint Customer may have one or more of the following complaints: â ¢ Vehicle location is shown incorrectly in the Navigation Display â ¢ Navigation destination search is not po…LI82.85-P-074970 · Technical service bulletin · Equipment · issued Jul 7, 2022
- 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 Customer may have one or more of the following complaints: â ¢ Vehicle location is shown incorrectly in the Navigation Display â ¢ Navigation destination search is not po…LI82.85-P-074970 · Technical service bulletin · Electrical System · issued Jun 15, 2022
- Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data i…LI54.10-P-071499 · Technical service bulletin · Electrical System · issued Mar 31, 2022
- Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Note: The dimming functi…LI82.20-P-073063 · Technical service bulletin · Interior Lighting · issued Feb 16, 2022
- Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (G…LI68.05-P-060306 · Technical service bulletin · Electrical System · issued Jan 27, 2022
- Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints …LI68.05-P-060307 · Technical service bulletin · Electrical System · issued Jan 9, 2022
- Clunking noises on rough roads. especially during short strokes of the damper. Attachments File Description MRA rear noise check.MP3 Noise complaints - Clunking Cause Damage to the…LI32.25-P-061137 · Technical service bulletin · Suspension · issued Jan 6, 2022
- Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm.…LI91.30-P-073902 · Technical service bulletin · Seats · issued Jan 4, 2022
- "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 â Boost Pressure is Too High"" "LI09.00-P-074093 · Technical service bulletin · Engine and Engine Cooling · issued Dec 8, 2021
- Eco start/stop nonfunctional due to 12V batteryLI54.10-P-07407 · Technical service bulletin · Electrical System · issued Dec 2, 2021
- The Weather App will not populate local weather data based on current vehicle position.LI8285P070107 · Technical service bulletin · Equipment · issued Aug 27, 2021
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warningLI8860P073470 · Technical service bulletin · Fuel System, Gasoline · issued Aug 11, 2021
- Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP may be inoperable.LI8200P073331 · Technical service bulletin · Equipment · issued Aug 10, 2021
- Coolant warning in instrument cluster - Leak in coolant lineLI20.20-P-073274 · Technical service bulletin · Engine and Engine Cooling · 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
- Touch pad: Search lighting does not dim or does not turn on.LI8220P073063 · Technical service bulletin · Interior Lighting · issued Jun 16, 2021
- Remote start causing CEL and U012600.LI2700P073106 · Technical service bulletin · Electrical System · issued May 25, 2021
- Update Coding of Powertrain Control Unit.PSC2021060013 · Technical service bulletin · Power Train · issued May 21, 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
- For plug in hybrid and electric variants: Complaints about the electric rangeLI08.00-P-072749 · Technical service bulletin · Electrical System · issued Apr 20, 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
- After ignition ON, the following message is shown on the instrument cluster: - "Unavailable! - ESP - Service Required"LI42.47-P-069817 · Technical service bulletin · Electrical System · issued Mar 19, 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
- Fault in 12 V interlock circuitLI27.00-P-072627 · Technical service bulletin · Electrical System · issued Mar 16, 2021
- When ordering the electrohydraulic controller unit (EHS) using the part number stated on the EHS, the wrong parts may be ordered.LI27.35-P-072629 · Technical service bulletin · Electrical System · issued Mar 12, 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 Intermittently Does Not CoolLI83.30-P-071494 · Technical service bulletin · Visibility · issued Dec 30, 2020
- NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clockLI54.30-P-072145 · Technical service bulletin · Electrical System · issued Dec 10, 2020
- Harsh engagement when changing gear range from P to D or RLI27.50-P-071658 · Technical service bulletin · Power Train · issued Aug 26, 2020
- Shifting complaints and transmission fault codes in vehicles with transmission 725.0LI27.00-P-060741 · Technical service bulletin · Power Train · issued Aug 24, 2020
- Check seal bellows at wheel carrier supporting joint of left and right rear axle, replace if necessaryNCU-2020080006 · Technical service bulletin · Power Train · issued Aug 21, 2020
- Steering wheel heater and/or Distronic function limitedLI46.11-P-071594 · Technical service bulletin · Steering · issued Aug 7, 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 · Fuel System, Other · issued Jul 1, 2020
- Headlamps foggedLI82.10-P-063239 · Technical service bulletin · Exterior Lighting · issued Jun 30, 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
- The check engine indicator light in the instrument cluster may be illuminated with one of the following fault codes: P261029, P02FF85, or P02FF02 stored in the engine control unit …LI54.30-P-070482 · Technical service bulletin · Engine · issued Jun 18, 2020
- NTG5.5 Audio 20: Static noise heard after opening the doorLI82.85-P-070565 · Technical service bulletin · Electrical System · issued May 19, 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
- NTG5.5 Audio 20 with codes 355 and 357: Vehicle positioning inaccurate / implausible, route guidance not possibleLI82.85-P-071023 · Technical service bulletin · Equipment · issued Apr 30, 2020
- Information Label on Tire SealantP-SC-2020020001 · Technical service bulletin · Tires · issued Feb 7, 2020
- EASY-Pack liftgate does not fully openLI72.20-P-070556 · Technical service bulletin · Equipment · issued Nov 14, 2019
- Disturbed Antenna Signal.LI8262P0634113 · Technical service bulletin · Equipment · issued Nov 30, 2016
- Navigation system permanently displays "Activating".LI8285P0633424 · Technical service bulletin · Equipment · issued Nov 29, 2016
- Map pocket on front seat backrest trim does not close.LI9110P0633475 · Technical service bulletin · Equipment · issued Nov 21, 2016
- Reset the customer-specific data and perform a software update of the AUDIO20 control unit.LI8285P0602587 · Technical service bulletin · Equipment · issued Aug 29, 2016
- Headlamp fog.LI8210P0644042 · Technical service bulletin · Exterior Lighting · issued Aug 26, 2016
- Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.LI2700P0647671 · Technical service bulletin · Power Train · issued Aug 26, 2016
- Traffic information service and posibly the voice control, nonfunctional after navigation software update.LI8285P0647651 · Technical service bulletin · Equipment · issued Aug 25, 2016
- Navigation system permanently displays "Activating".LI8285P0633423 · Technical service bulletin · Equipment · issued Aug 25, 2016
- CD/DVD No longer ejected or drawn in.LI8260P0646761 · Technical service bulletin · Equipment · issued Aug 15, 2016
- High voltage battery warning message in instrument cluster.LI8370P0644803 · Technical service bulletin · Electrical System · issued Aug 11, 2016
- Gasket may settle causing a slight oil leak.LI1830P0597123 · Technical service bulletin · Unknown OR Other · issued Aug 5, 2016
- Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.LI7240P056909 · Technical service bulletin · Electrical System · issued Jul 30, 2013