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May 14, 2025 Service bulletin

Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT...

Mercedes-Benz technical service bulletin LI82.10-P-078470 for 2022-2025 Mercedes-Benz C300, 2024-2025 Mercedes-Benz E350 and 2023-2025 Mercedes-Benz GLC 300 and others.

Bulletin number
LI82.10-P-078470
Component
Exterior lighting
Summary
Complaint Message in instrument cluster "Adaptive high beams assistant not available/inoperative" or "DIGITAL LIGHT reduced range of functions" in relation to "FC151E29- The level sensor at front left has a malfunction. There is an invalid signal" in the HLI control unit. Cause HLI control units processing of level sensor data. Remedy Update the software for the HLI control units - starting with the left controller. After the updates, perform SCN coding of the EZS. Please ensure that the SW with the A item number A2239027738 (or newer) is used. Parts replacements will not resolve complaint. Do not replace parts. If concern is not resolved by software, please open a TIPS case and send to the Body/Chassis/Entertainment inbox. Concern does not impact drivability of the vehicle or the function of the headlights.

Owners of these vehicles have filed 18 complaints in the lights category.

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