Mercedes-Benz AMG GLC43 2024 — service campaign
Bulletin NCU - 2024120012 · NHTSA communication 11012132 · issued Dec 20, 2024
Service campaign
communication type
Power Train
component
2024
model years
4
vehicle entries
Official summary
Replace automatic transmission. For basic data of model 254 with M254, see AR27.10-P-0005MRW For basic data on transmission oil level test routine, see AR27.00-P-0270EWN.
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.