Issue On the subject vehicles, the software of the electronic ignition switch control unit does not...

Bulletin number

NCU- 2026090008

Component

Electrical system

Summary

Issue On the subject vehicles, the software of the electronic ignition switch control unit does not correspond to current production configuration. There is a possibility that various fault profiles may occur, such as sporadic discharge of the 12 V battery. Remedy MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the software of the EIS control unit in the affected vehicles.

Owners of these vehicles have filed 2 complaints in the electrical category.