Mercedes-Benz A 220 2020–2021 — technical service bulletin
Bulletin LI54.70-P-068094 · NHTSA communication 10191289 · issued Mar 29, 2021
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
29
vehicle entries
Official summary
Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy: Deactivate transport mode and drive vehicle for approx 6mi. The DTC then switches to passive and the sensor can be calibrated
Vehicles covered
- 2020 Mercedes-Benz A 220
- 2021 Mercedes-Benz A 220
- 2020 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz C 300
- 2021 Mercedes-Benz C 300
- 2020 Mercedes-Benz C 350
- 2020 Mercedes-Benz C 350 E
- 2020 Mercedes-Benz CLA 250
- 2021 Mercedes-Benz CLA 250
- 2020 Mercedes-Benz CLS 450
- 2021 Mercedes-Benz CLS 450
- 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
- 2020 Mercedes-Benz GLC 300
- 2021 Mercedes-Benz GLC 300
- 2020 Mercedes-Benz GLC 350
- 2020 Mercedes-Benz GLC 350 E
- 2021 Mercedes-Benz GLC 350 E
- 2020 Mercedes-Benz GLE 350
- 2021 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350 E
- 2021 Mercedes-Benz GLE 350 E
- 2020 Mercedes-Benz GLE 450
- 2021 Mercedes-Benz GLE 450
- 2020 Mercedes-Benz GLE 580
- 2021 Mercedes-Benz GLE 580
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.