Mercedes-Benz AMG ML63 2012 — technical service bulletin
Bulletin SC-2013050002 · NHTSA communication 10053732 · issued Sep 1, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012
model years
3
vehicle entries
Official summary
Mercedes: the engine control module software fails to correspond with current configuration production and will be updated by an authorized dealer. Models 2012 166 (ml350, 550, 63, gl 350, 450, 550, 63). *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.