Mercedes-Benz AMG CLS63 2007 — technical service bulletin
Bulletin 2007010001 · NHTSA communication 10021303 · issued Feb 1, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007
model years
5
vehicle entries
Official summary
Replace poly v-belt and tensioner. Engine m156
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.