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January 23, 2026 Other

An authorized Mercedes-Benz dealer will update the software for the battery management control unit in...

Mercedes-Benz technical service bulletin CL - 2025120010 for 2023-2026 Mercedes-Benz GLC 300, 2023 Mercedes-Benz S 580 and 2023-2024 Mercedes-Benz AMG Glc43 and others.

Bulletin number
CL - 2025120010
Component
Electrical system
Summary
An authorized Mercedes-Benz dealer will update the software for the battery management control unit in your vehicle, free of charge. Your vehicle must be brought to a dealership to complete the update.

Owners of these vehicles have filed 91 complaints in the electrical category.

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