Mercedes-Benz AMG GLC43 2019 — technical service bulletin
Bulletin P-SC-2020020007 · NHTSA communication 10172685 · issued Feb 13, 2020
Technical service bulletin
communication type
Power Train
component
2019
model years
5
vehicle entries
Official summary
Update Transmission Control Unit SW (VGS)
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.