Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,751 bulletins for MERCEDES BENZ
NCU - 24240304
Mar 12, 2024
160000 STRUCTURE
As previously reported, to enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a Settlement regarding claims relating to alleg
NCU - 2024020008
Mar 1, 2024
110000 ELECTRICAL SYSTEM
i?? Always use the latest XENTRY Diagnosis software release with all available add-ons. i?? Make sure to follow the operation steps exactly as described in XENTRY Diagnosis. i?? Use a battery charger to ensure sufficient power supply of t
LI82.88-P-077552
Feb 29, 2024
110000 ELECTRICAL SYSTEM
Change in the login procedure for the payment service in the integrated toll system. The change will become active on 3/1/2024. Updated login procedure to simplify activation of services To activate the toll system control unit, a se
NCU-OTAcommNoMMC
Jan 18, 2024
110000 ELECTRICAL SYSTEM
Mercedes-Benz AG (??A?A?MBAG??A?A?), 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, and SLC (205, 117, 257, 213/238, 253, 166/292, 190/290,217/2
NCU-2023060006
Dec 11, 2023
060000 ENGINE AND ENGINE COOLING
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year ("MY") 2012 S-Class (221 platforms) vehicles, the injector codes might no longer be stored in the engine control unit software
NCU-2023060005
Dec 11, 2023
060000 ENGINE AND ENGINE COOLING
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (??A?A?MY??A?A?) 2009-2012 GL-Class, ML-Class, R-Class, and S-Class (164/166, 251, 221 platforms) vehicles, the coding for the
ELW-Fuel Filter
Nov 3, 2023
070000 FUEL SYSTEM, GASOLINE
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (??A?A?MBUSA??A?A?) is extending the warranty coverage on the fuel filter unit for Part
LI32.25-P-076956
Oct 12, 2023
020000 SUSPENSION
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 the damper oil are currently being analyzed. The wheez
LI82.85-P-076800
Oct 10, 2023
110000 ELECTRICAL SYSTEM
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 particular after the vehicle has been non-operational for an ext
ELW -Intake Line
Sep 22, 2023
060000 ENGINE AND ENGINE COOLING
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (a??MBUSAa??) is extending the coverage for the intake line assembly on your vehicle
LI01.20-P-076894
Sep 12, 2023
060000 ENGINE AND ENGINE COOLING
Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 a?? Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a
NCU-HU SW Update
Aug 28, 2023
110000 ELECTRICAL SYSTEM
Mercedes-Benz AG (a??MBAGa??), 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, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles,
ELW- Intake Line
Aug 24, 2023
060000 ENGINE AND ENGINE COOLING
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 (a??MBUSAa??) is extending the warranty coverage on the intake line assembly in ce
LI82.85-P-076799
Aug 18, 2023
110000 ELECTRICAL SYSTEM
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). In the HERMES control unit log, under the "URL" tab, the value DEFAULT is st
ELW - M278 Cat
Jul 27, 2023
060000 ENGINE AND ENGINE COOLING
This NCU replaces the prior NCU issued on May 11, 2023, and clarifies replacement part information. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Merc
NCU-2023050005
Jun 23, 2023
020000 SUSPENSION
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2014-2020 S-Class (217 and 222 platform) vehicles, the incorrect pilot bushings may have been installed in the f
NCU-2023060003
Jun 15, 2023
110000 ELECTRICAL SYSTEM
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (a??MYa??) 2016 a?? 2021 C-Class (205 platform), E-Class (213 platform) and GLC (253 platform) vehicles, the air conditioning contro
LI82.85-P-075375
Jun 9, 2023
110000 ELECTRICAL SYSTEM
In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect
ELW-M278Catalyst
May 11, 2023
060000 ENGINE AND ENGINE COOLING
This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: a?? A check engine Malfunction Indicator Lamp (a??MILa??) may illuminate due to s
BurlWalnutUpdate
Apr 28, 2023
160000 STRUCTURE
To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to allegations that the a??Burl
CL-ELWSubframe
Mar 31, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle reg
CL-ELWExhaustVal
Mar 30, 2023
060000 ENGINE AND ENGINE COOLING
Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the ch
ELW-ExhaustValve
Mar 10, 2023
060000 ENGINE AND ENGINE COOLING
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 (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ce
NCU-2022020024
Feb 13, 2023
060000 ENGINE AND ENGINE COOLING
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2012-2016 E-Class, GL-Class, GLE-Class, GLK-Class, and ML-Class (166, 204, 212 platforms) vehicles, the coding of th
ELW-RearSubframe
Feb 10, 2023
160000 STRUCTURE
Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 20 years/unlimited miles, and applies to the vehicle reg