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January 4, 2023 Service bulletin

Complaint Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist...

Mercedes-Benz technical service bulletin LI54.71-P-075704 for 2022 Mercedes-Benz C300, 2022-2023 Mercedes-Benz EQS 450 and 2021 Mercedes-Benz S 580 and others.

Bulletin number
LI54.71-P-075704
Component
Electrical system
Summary
Complaint Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative" "Active Lane Keeping Assist inoperative" "Active Blind Spot Assist inoperative" Note: The problem can occur after a software update of control unit N62/4 - Driver assistance system A quick test may not show any relevant fault codes related to the IC messages. Cause In rare cases, it may be that no automatic SCN coding was performed after control unit N62/4- driver assistance system was programmed. Remedy Perform SCN coding of N62/4 Driver assistance system

Owners of these vehicles have filed 50 complaints in the electrical category.

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