Mercedes-Benz AMG C43 2023–2025 — technical service bulletin

Bulletin OTA - 5496430 · NHTSA communication 11015667 · issued Mar 8, 2025

Technical service bulletin

communication type

Electrical System

component

2023–2025

model years

vehicle entries

Official summary

Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles. The software for the communication module does not correspond to the latest series production configuration. The communication module will receive an OTA update. The update is downloaded and installed in the background. During installation, the system can be used without restrictions. The new software will become active after the vehicle has been restarted. Remedy MBUSA will conduct an OTA service campaign. Remote software updates are automatically 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.