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March 14, 2026 Service campaign

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain...

Mercedes-Benz technical service bulletin NCU - 2025120002 for 2022-2025 Mercedes-Benz Eqb 300 4matic, 2022-2025 Mercedes-Benz EQS 450 and 2023-2025 Mercedes-Benz EQB 250+ and others.

Bulletin number
NCU - 2025120002
Component
Electrical system
Summary
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the software for the DC charge-connection unit (DCCU) control unit does not correspond to current production specifications. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update software of DCCU control unit. This software update will enable compatibility with Plug & Charge functionality on the Tesla Supercharger network.

Owners of these vehicles have filed 155 complaints in the electrical category.

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