Electrical system
Mercedes-Benz technical service bulletin OTA-5497834 for 2025 Mercedes-Benz E350, 2025 Mercedes-Benz E 450 4matic and 2025 Mercedes-Benz E 350 4matic and others.
- Bulletin number
- OTA-5497834
- Component
- Electrical system
- Summary
- Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the software for the Mobile Access Unit (“MAU”) control unit may not correspond to the current series production configuration. This OTA software update for the Digital Vehicle Key (“DVK”) function within the MAU will improve battery management by disconnecting the vehicle network when it is not required. In addition, the software update contains general improvements for system stability and DVK device compatibility. Remedy MBUSA will conduct an OTA service campaign. Remote software updates are automatically downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.
Owners of these vehicles have filed 7 complaints in the electrical category.
Vehicles covered
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