Electrical system

Bulletin number

NCU - 2025080003

Component

Electrical system

Summary

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the Battery Management System control unit software does not correspond to current production specifications. As a result, the battery Malfunction Indicator Lamp (MIL) may illuminate when no system fault occurs. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the Battery Management System control unit software.

Owners of these vehicles have filed 7 complaints in the electrical category.