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March 11, 2026 Service bulletin

The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is...

Mercedes-Benz technical service bulletin LI82.85-P-078722 for 2022-2026 Mercedes-Benz C300, 2023-2026 Mercedes-Benz GLC 300 and 2020-2026 Mercedes-Benz CLA250 and others.

Bulletin number
LI82.85-P-078722
Component
Electrical system
Summary
Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC is displayed during the quick test. Cause The GNSS antenna is not correctly inserted at the GNSS connection (see picture in the attachment) in the head unit (A26/17). Remedy Insert the plug into the GNSS connection and ensure that the plug has engaged correctly.

Owners of these vehicles have filed 384 complaints in the electrical category.

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