Mercedes-Benz AMG C43 2022–2025 — technical service bulletin

Bulletin LI46.10-P-079374 · NHTSA communication 11022050 · issued Aug 5, 2025

Technical service bulletin

communication type

Steering

component

2022–2025

model years

vehicle entries

Official summary

Complaint Customer concern for ESP/Brake or Steering yellow instrument cluster message AND C220564 in the N80 Steering Column Control Module (Valeo Parts only). To check which supplier steering column module is present in the vehicle, see attachment "Supplier Identification". Cause Triggered due to communication related software timing. Remedy New software A2239026336. Update N80 (Steering Column Module) to target software A2239026336 and perform ignition cycle. Note: If the DTC is present after software update and ignition cycle, please create a TIPS case

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.