Mercedes-Benz TSB #LI46.11-P-071594
2020 Mercedes-Benz GLA250
Affected Component: STEERING
- 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