WenmarOpen by Wenmar Pro

Service bulletins for the 2023 Mercedes-Benz C-Class

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2 on file from NHTSA, as of 2026-10-19.

About P0635 on the 2023 Mercedes-Benz C-Class: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0635 are shown. Show all

Bulletins, newest first
LI46.35-P-0755112022-12-05. Service bulletin. STEERING. Complaint Power steering unavailable following engine start, warning message in instrument cluster. Fault codes in electric power steering control unit (N68). Fault code details/freeze frame data of the fault codes show the following values: P063500: "The electric power steering has a malfunction. There is a component fault." - Mon_ID 40 P063547: "The electric power steering has a malfunction. There is a runtime error." - Mon_ID 33 P063509: "The electric power steering has a malfunction. _" - Mon_ID 938 Cause Software error when starting the electric power steering control unit (N68). Remedy Perform software update of electric power steering, control unit N68. Please also observe the guided check in XENTRY Diagnosis!

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.