Mercedes C-Class 2022–2023 — technical service bulletin
Bulletin LI46.35-P-075511 · NHTSA communication 10227144 · issued Nov 7, 2022
Technical service bulletin
communication type
Steering
component
2022–2023
model years
10
vehicle entries
Official summary
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 P
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.