Mercedes-Benz AMG GLC63 2019 — technical service bulletin
Bulletin Launch NCU 20201 · NHTSA communication 10191259 · issued Mar 12, 2021
Technical service bulletin
communication type
Power Train
component
2019
model years
8
vehicle entries
Official summary
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019 GLC-Class, and GLE-Class (253, and 292 platform) vehicles, the automatic transmission does not meet specification, and thus the possibility exists that a hard and delayed shift operation may occur.
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.