Mercedes-Benz GLB 250 2020 — technical service bulletin
Bulletin P-SC-2021020029 · NHTSA communication 10189413 · issued Feb 25, 2021
Technical service bulletin
communication type
Power Train
component
2020
model years
1
vehicle entries
Official summary
Replace Transmission Mount
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.