Mercedes-Benz AMG C43 2017–2021 — technical service bulletin

Bulletin NCU-OTAcommNoMMC · NHTSA communication 10249726 · issued Jan 18, 2024

Technical service bulletin

communication type

Electrical System

component

2017–2021

model years

vehicle entries

Official summary

Mercedes-Benz AG (Ã¢Â Â MBAGÃ¢Â Â ), 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, 190/290,217/222, 231, 172) vehicles, the software of the communication module does not correspond with the latest series production configuration. This free of charge update includes quality-enhancing optimizations for the communication module to improve the system stability and better availability of the Mercedes me services. The update is downloaded and installed in th

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.