Mercedes-Benz C250 2012 — technical service bulletin
Bulletin SC-201306 · NHTSA communication 10053794 · issued Sep 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012
model years
3
vehicle entries
Official summary
Mercedes: the software for engine control module fails to correspond to current production configuration and will need to be updated. Model 2012 172, 204. *pe
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.