Mercedes-Benz A 220 2019–2021 — technical service bulletin
Bulletin LI35.31-P-072106 · NHTSA communication 10186133 · issued Nov 12, 2020
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
12
vehicle entries
Official summary
Fault code for short circuit to ground stored in AW- D_MFA2 - N15/17 - all-wheel drive (transfer case)
Vehicles covered
- 2019 Mercedes-Benz A 220
- 2020 Mercedes-Benz AMG A35
- 2021 Mercedes-Benz AMG A35
- 2019 Mercedes-Benz AMG CLA45
- 2020 Mercedes-Benz AMG GLA45
- 2021 Mercedes-Benz AMG GLA45 S
- 2019 Mercedes-Benz CLA 250
- 2020 Mercedes-Benz CLA 250
- 2021 Mercedes-Benz CLA 250
- 2019 Mercedes-Benz GLA 250
- 2020 Mercedes-Benz GLA 250
- 2021 Mercedes-Benz GLA 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.