Mercedes-Benz C-Class Service Bulletins (2020)

241 manufacturer communications on file.

March 19, 2021•Document ID: 10191272
Service Bulletin/Repair Instructions
STEERING
Mfr Comm. #:
LI46.11-P-071594
Date Added:
May 3, 2021
Manufacturer:
MERCEDES-BENZ
Summary
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 the quick test carried out after the software update still show DTCs with the steering wheel heater and/or Distronic, replace the steering wheel control panels
Associated Products (18)
2021 Mercedes-Benz A-Class 2021 Mercedes-Benz C-Class 2021 Mercedes-Benz CLA-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz GLA-Class 2021 Mercedes-Benz GLB-Class 2021 Mercedes-Benz GLC-Class 2021 Mercedes-Benz GLE-Class 2021 Mercedes-Benz S-Class 2020 Mercedes-Benz A-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz GLA-Class 2020 Mercedes-Benz GLB-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class 2020 Mercedes-Benz S-Class
Associated Documents
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March 16, 2021•Document ID: 10191278
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
LI27.00-P-072627
Date Added:
May 3, 2021
Manufacturer:
MERCEDES-BENZ
Summary
Fault in 12 V interlock circuit
Associated Products (8)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz GLC-Class 2021 Mercedes-Benz GLE-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class
Associated Documents
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March 12, 2021•Document ID: 10191279
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
LI27.35-P-072629
Date Added:
May 3, 2021
Manufacturer:
MERCEDES-BENZ
Summary
When ordering the electrohydraulic controller unit (EHS) using the part number stated on the EHS, the wrong parts may be ordered.
Associated Products (6)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz GLE-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz GLE-Class
Associated Documents
- Download MC-10191279-0001.pdf↗
March 10, 2021•Document ID: 10191277
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
LI22.10-P-071055
Date Added:
May 3, 2021
Manufacturer:
MERCEDES-BENZ
Summary
In the quick test, faults P0A1402 and/or P0AB602 are stored in the Drive Unit, electrical fault or open circuit (signal error) in actuation system. Remedy: Replace both acceleration sensors for the engine mounts
Associated Products (6)
2021 Mercedes-Benz AMG GT 2021 Mercedes-Benz C-Class 2021 Mercedes-Benz GLC-Class 2020 Mercedes-Benz AMG GT 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz GLC-Class
Associated Documents
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February 22, 2021•Document ID: 10189406
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
LI82.27-P-072402
Date Added:
March 29, 2021
Manufacturer:
MERCEDES-BENZ
Summary
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 (N40/3) software is currently in development. This document will be updated once it is released. Meanwhile, avoid toggling the drive program or the exhaust flap with 10 seconds of an engine start to avoid the possibility of the complaint occurring. Note: Do not replace any parts as this will not remedy the complaint
Associated Products (14)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz CLA-Class 2021 Mercedes-Benz CLS-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz GLC-Class 2021 Mercedes-Benz GLE-Class 2021 Mercedes-Benz GLS-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class 2020 Mercedes-Benz GLS-Class
Associated Documents
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February 18, 2021•Document ID: 10189402
Service Bulletin/Repair Instructions
STEERING; ELECTRICAL SYSTEM; BACK OVER PREVENTION
Mfr Comm. #:
LI46.15-P-063353
Date Added:
March 29, 2021
Manufacturer:
MERCEDES-BENZ
Summary
Complaint: Height adjustment of electric steering column adjustment jams in upper / lower adjustment position or it generates a cracking noise when exiting the upper /lower adjustment position (e.g. for Easy Entry function). Cause: Height adjustment runs into upper / lower limit stop and jams there or generates a breakaway cracking noise when exiting the jammed limit stop. Remedy: 1. Move fore/aft adjustment to the end position. 2. Release jamming of height adjustment by knocking with palm of hand onto top of steering wheel. At the same time, push adjusting switch (downwards). 3. Commission driver's seat control unit. While doing so, - the control unit software is updated, if necessary - the limit stops are cleared and normalized again - and any renewed jamming is prevented 4. Once commissioning has been completed the vehicle can be handed over to the customer.
Associated Products (50)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz CLA-Class 2021 Mercedes-Benz CLS-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz G-Class 2021 Mercedes-Benz GLA-Class 2021 Mercedes-Benz GLB-Class 2021 Mercedes-Benz GLC-Class 2021 Mercedes-Benz GLE-Class 2021 Mercedes-Benz GLS-Class 2021 Mercedes-Benz S-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz G-Class 2020 Mercedes-Benz GLA-Class 2020 Mercedes-Benz GLB-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class+ 30 more
Associated Documents
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December 30, 2020•Document ID: 10186148
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY
Mfr Comm. #:
LI83.30-P-071494
Date Added:
February 1, 2021
Manufacturer:
MERCEDES-BENZ
Summary
Air Conditioning Intermittently Does Not Cool
Associated Products (12)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz CLS-Class 2021 Mercedes-Benz E-Class 2021 Mercedes-Benz S-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz S-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz CLS-Class 2019 Mercedes-Benz E-Class 2019 Mercedes-Benz S-Class
Associated Documents
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December 10, 2020•Document ID: 10186141
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Mfr Comm. #:
LI54.30-P-072145
Date Added:
February 1, 2021
Manufacturer:
MERCEDES BENZ
Summary
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
Associated Products (62)
2021 Mercedes-Benz C-Class 2021 Mercedes-Benz CLS-Class 2021 Mercedes-Benz E-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz S-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz E-Class 2019 Mercedes-Benz S-Class 2018 Mercedes-Benz C-Class 2018 Mercedes-Benz E-Class 2018 Mercedes-Benz G-Class 2018 Mercedes-Benz S-Class 2017 Mercedes-Benz C-Class 2017 Mercedes-Benz CLS-Class 2017 Mercedes-Benz E-Class 2017 Mercedes-Benz S-Class 2016 Mercedes-Benz C-Class 2016 Mercedes-Benz CLS-Class+ 42 more
Associated Documents
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August 26, 2020•Document ID: 10179950
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
LI27.50-P-071658
Date Added:
September 21, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Harsh engagement when changing gear range from P to D or R
Associated Products (8)
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Associated Documents
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August 24, 2020•Document ID: 10179949
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
LI27.00-P-060741
Date Added:
September 21, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Shifting complaints and transmission fault codes in vehicles with transmission 725.0
Associated Products (16)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz EQC-Class 2020 Mercedes-Benz S-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz E-Class 2019 Mercedes-Benz S-Class 2018 Mercedes-Benz C-Class 2018 Mercedes-Benz E-Class 2018 Mercedes-Benz S-Class 2017 Mercedes-Benz E-Class 2017 Mercedes-Benz S-Class 2016 Mercedes-Benz E-Class 2015 Mercedes-Benz C-Class 2015 Mercedes-Benz E-Class 2014 Mercedes-Benz E-Class
Associated Documents
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August 21, 2020•Document ID: 10179974
Service Bulletin/Repair Instructions
WHEELS; POWER TRAIN:AXLE ASSEMBLY
Mfr Comm. #:
NCU-2020080006
Date Added:
September 21, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Check seal bellows at wheel carrier supporting joint of left and right rear axle, replace if necessary
Associated Products (2)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz GLC-Class
Associated Documents
- Download MC-10179974-0001.pdf↗
August 7, 2020•Document ID: 10179955
Service Bulletin/Repair Instructions
STEERING: STEERING WHEEL/HANDLE BAR; STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER
Mfr Comm. #:
LI46.11-P-071594
Date Added:
September 21, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Steering wheel heater and/or Distronic function limited
Associated Products (12)
2021 Mercedes-Benz GLE-Class 2020 Mercedes-Benz A-Class 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class 2019 Mercedes-Benz A-Class 2019 Mercedes-Benz B-Class 2019 Mercedes-Benz GLC-Class 2019 Mercedes-Benz GLE-Class 2018 Mercedes-Benz GLC-Class 2017 Mercedes-Benz GLC-Class 2016 Mercedes-Benz GLC-Class
Associated Documents
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July 20, 2020•Document ID: 10178732
Service Bulletin/Repair Instructions
EQUIPMENT:APPLIANCE:AIR CONDITIONER
Mfr Comm. #:
LI83.30-P-071494
Date Added:
August 24, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Air Conditioning Intermittently Does Not Cool
Associated Products (11)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz EQC-Class 2020 Mercedes-Benz SLC-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz CLA-Class 2019 Mercedes-Benz CLS-Class 2019 Mercedes-Benz E-Class 2019 Mercedes-Benz SLC-Class
Associated Documents
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July 17, 2020•Document ID: 10178744
Service Bulletin/Repair Instructions
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mfr Comm. #:
NCU-2020060021
Date Added:
August 24, 2020
Manufacturer:
MERCEDES-BENZ
Summary
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 manufacturer is "Mercedes-Benz AG." We thus ask that you place the supplementary booklet into the vehicle. The work required for this purpose can be found in the attached work description.
Associated Products (3)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class
Associated Documents
- Download MC-10178744-0001.pdf↗
July 2, 2020•Document ID: 10178712
Service Bulletin/Repair Instructions
FUEL SYSTEM, OTHER
Mfr Comm. #:
LI18.40-P-070746
Date Added:
August 24, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"
Associated Products (6)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz CLA-Class 2019 Mercedes-Benz CLS-Class
Associated Documents
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July 1, 2020•Document ID: 10178711
Service Bulletin/Repair Instructions
FUEL SYSTEM, OTHER; ELECTRICAL SYSTEM:SOFTWARE
Mfr Comm. #:
LI18.40-P-070746
Date Added:
August 24, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"
Associated Products (3)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class
Associated Documents
- Download MC-10178711-0001.pdf↗
June 30, 2020•Document ID: 10178715
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING:HEADLIGHTS
Mfr Comm. #:
LI82.10-P-063239
Date Added:
August 24, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Headlamps fogged
Associated Products (8)
2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2019 Mercedes-Benz C-Class 2019 Mercedes-Benz CLA-Class 2019 Mercedes-Benz CLS-Class 2018 Mercedes-Benz C-Class 2018 Mercedes-Benz CLA-Class
Associated Documents
- Download MC-10178715-0001.pdf↗
June 25, 2020•Document ID: 10177565
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL
Mfr Comm. #:
LI82.70-P-071024
Date Added:
July 27, 2020
Manufacturer:
MERCEDES-BENZ
Summary
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. The problem only occurs in conjunction with the iPhone and software version iOS 13.x.
Associated Products (18)
2020 Mercedes-Benz A-Class 2020 Mercedes-Benz AMG GT 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz EQC-Class 2020 Mercedes-Benz G-Class 2020 Mercedes-Benz GLA-Class 2020 Mercedes-Benz GLB-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class 2020 Mercedes-Benz GLS-Class 2020 Mercedes-Benz Metris 2020 Mercedes-Benz S-Class 2020 Mercedes-Benz SLC-Class 2020 Mercedes-Benz SL-Class 2020 Mercedes-Benz Sprinter
Associated Documents
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June 18, 2020•Document ID: 10177561
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION
Mfr Comm. #:
LI54.30-P-070482
Date Added:
July 27, 2020
Manufacturer:
MERCEDES-BENZ
Summary
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 (N3/10). The time in instrument cluster is implausible due to an internal reset. If no other complaints exist then check for and perform any available software updates for the following control units: - Motor electronics (N3/10) - Powertrain control unit (N127) - Instrument cluster (A1) If all three control units have the latest software installed and the complaint continues to occur then proceed with replacement of the instrument cluster (A1) Should the complaint re-occur after the instrument cluster has been replaced then open a PTSS case with the following information: - Control units logs for the ME, PTCU, and IC - Initial quick test
Associated Products (7)
2020 Mercedes-Benz AMG GT 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz G-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz S-Class
Associated Documents
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June 11, 2020•Document ID: 10177551
Service Bulletin/Repair Instructions
EQUIPMENT; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
Mfr Comm. #:
LI54.65-P-071267
Date Added:
July 27, 2020
Manufacturer:
MERCEDES-BENZ
Summary
Fault code B223209 is logged as "stored" in the parking control unit.
Associated Products (13)
2020 Mercedes-Benz A-Class 2020 Mercedes-Benz AMG GT 2020 Mercedes-Benz C-Class 2020 Mercedes-Benz CLA-Class 2020 Mercedes-Benz CLS-Class 2020 Mercedes-Benz E-Class 2020 Mercedes-Benz G-Class 2020 Mercedes-Benz GLA-Class 2020 Mercedes-Benz GLB-Class 2020 Mercedes-Benz GLC-Class 2020 Mercedes-Benz GLE-Class 2020 Mercedes-Benz SLC-Class 2020 Mercedes-Benz SL-Class
Associated Documents
- Download MC-10177551-0001.pdf↗

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