Mercedes-Benz AMG C43 2019 — technical service bulletin
Bulletin P-SC-2019100020 · NHTSA communication 10169584 · issued Nov 14, 2019
Technical service bulletin
communication type
Equipment
component
2019
model years
5
vehicle entries
Official summary
Update sound system control unit software
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.