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March 19, 2021 Service bulletin

Steering wheel heater and/or Distronic cannot be activated

Mercedes-Benz technical service bulletin LI46.11-P-071594 for 2020-2021 Mercedes-Benz C300, 2020-2021 Mercedes-Benz E350 and 2020-2021 Mercedes-Benz GLC 300 and others.

Bulletin number
LI46.11-P-071594
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

Owners of these vehicles have filed 20 complaints in the steering category.

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