Mercedes-Benz AMG C43 2020–2023 — technical service bulletin

Bulletin LI46.35-P-073051 · NHTSA communication 11003212 · issued Jun 12, 2024

Technical service bulletin

communication type

Steering

component

2020–2023

model years

vehicle entries

Official summary

Complaint Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches of road and in long corners • With driver assistance systems switched on Cause Control oscillations in the electric power steering. Remedy Perform software update of electric power steering (N68). Note: Please ensure newest Xentry release software is installed and all addons are updated. After the software update, teach in the steering limitations of the electric power steering again: 1. Start engine 2. Turn steering wheel all the way to the left and briefly hold at the steering l

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.