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September 26, 2025 Service campaign

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain 2024 C-Class,...

Mercedes-Benz technical service bulletin NCU - 2024090014 for 2024 Mercedes-Benz C300, 2024 Mercedes-Benz E350 and 2024 Mercedes-Benz GLC 300 and others.

Bulletin number
NCU - 2024090014
Component
Electrical system
Summary
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain 2024 C-Class, E-Class, and GLC (206, 214, 254 platform) vehicles, the electronic ignition lock control unit does not correspond to current specifications. As a result, the ignition lock may not react after a key cycle, which could result in the vehicle not starting and the instrument cluster display not reacting. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the electronic ignition lock control unit software.

Owners of these vehicles have filed 14 complaints in the electrical category.

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