Mercedes-Benz AMG GLA35 2020–2021 — technical service bulletin
Bulletin NCU-2022110007 · NHTSA communication 10228824 · issued Dec 9, 2022
Technical service bulletin
communication type
Power Train
component
2020–2021
model years
11
vehicle entries
Official summary
Mercedes-Benz AG (â MBAGâ ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLA-Class and GLB-Class (156/247 platform) vehicles, the transmission bearing cap cover does not correspond to current specifications. Over time, the transmission bearing cover may loosen, which may result in minor oil loss. An instrument cluster transmission light will still alert the user if it falls below the threshold and alert the driver if the transmission oil overheated. The indicator light will alert the driver to drive with caution. A risk of fire can be ruled out. What
Vehicles covered
- 2021 Mercedes-Benz AMG GLA35
- 2020 Mercedes-Benz AMG GLA45
- 2021 Mercedes-Benz AMG GLA45
- 2021 Mercedes-Benz AMG GLA45 S
- 2020 Mercedes-Benz AMG GLB35
- 2021 Mercedes-Benz AMG GLB35
- 2020 Mercedes-Benz GLA 250
- 2021 Mercedes-Benz GLA 250
- 2020 Mercedes-Benz GLB 200
- 2020 Mercedes-Benz GLB 250
- 2021 Mercedes-Benz GLB 250
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.