Mercedes-Benz C 300 2008–2018 — technical service bulletin
Bulletin LI46.35-P-059989 · NHTSA communication 10135638 · issued Oct 16, 2014
Technical service bulletin
communication type
Steering
component
2008–2018
model years
12
vehicle entries
Official summary
Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual"
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.