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July 31, 2025 Service bulletin

Complaint The "Easy entry and exit feature" function deactivates itself after a brief period

Mercedes-Benz technical service bulletin LI91.10-P-078305 for 2022-2025 Mercedes-Benz C300, 2025 Mercedes-Benz E350 and 2023-2025 Mercedes-Benz GLC 300 and others.

Bulletin number
LI91.10-P-078305
Component
Seats
Summary
Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. (see attachment). Cause The cause is currently being investigated. Remedy 1. Update the A26/17 MBUX multimedia system (head unit) to the latest software version FUP5 Opt. (E505.4) or newer. 2. Perform a factory reset of the head unit after the update. If the issue continues: • Capture a head unit log and a Body CAN trace during the occurrence of the problem. • Submit both via a TIPS case to the Telematics team. Note: Only collect and submit the log and trace if the symptom can be reliably reproduced.

Owners of these vehicles have filed 8 complaints in the seats category.

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