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March 26, 2026 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 2022-2026 Mercedes-Benz C300, 2020-2026 Mercedes-Benz GLC 300 and 2020-2026 Mercedes-Benz CLA250 and others.

Bulletin number
LI91.10-P-078305
Component
Electrical system
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 Update the HU7 to the latest software version, then perform a factory reset of the HU7. Steps to perform factory reset: Navigate to Settings > System > Reset > Reset to factory settings and confirm If the problem persists, please record HU7 log and also a trace of the Body CAN (For Star 2 Body Can 1 and for Star 3 Body Can 2) during the symptom and send via a TIPS case to the Body/Chassis/Entertainment inbox. Note: Only collect and submit the log and trace if the symptom can be reliably reproduced.

Owners of these vehicles have filed 324 complaints in the electrical category.

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