Mercedes-Benz A 220 2020–2021 — technical service bulletin
Bulletin LI46.11-P-071594 · NHTSA communication 10191272 · issued Mar 19, 2021
Technical service bulletin
communication type
Steering
component
2020–2021
model years
40
vehicle entries
Official summary
Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Should the quick test carried out after the software update still show DTCs with the steering wheel heater and/or Distronic, replace the steering wheel control panels
Vehicles covered
- 2020 Mercedes-Benz A 220
- 2021 Mercedes-Benz A 220
- 2020 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz AMG S65
- 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 E 350
- 2021 Mercedes-Benz E 350
- 2021 Mercedes-Benz E 350 E
- 2020 Mercedes-Benz E 450
- 2021 Mercedes-Benz E 450
- 2020 Mercedes-Benz E63 AMG
- 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
- 2020 Mercedes-Benz S 450
- 2020 Mercedes-Benz S 550
- 2020 Mercedes-Benz S 560
- 2021 Mercedes-Benz S 560
- 2020 Mercedes-Benz S 560 E
- 2021 Mercedes-Benz S 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.