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May 19, 2023 Service bulletin

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

Mercedes-Benz technical service bulletin NCU-2023040017 for 2022-2023 Mercedes-Benz C300, 2022-2023 Mercedes-Benz EQS 450 and 2023 Mercedes-Benz AMG C43 and others.

Bulletin number
NCU-2023040017
Component
Electrical system
Summary
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 C-Class, EQS and S-Class (206, 297 and 223 platform) vehicles, the driving assistance system control unit software does not meet current specifications. In the presence of uniquely shaped civil superstructures that parallel the roadway at a height of~26-33 feet (e.g. large overhanging bridge abutments, etc.), the vehicle may initiate brake applications during operation. In such cases, the driver remains in control of the vehicle and can override the system at any time. What We’re Doing An authorized Mercedes-Benz dealer will update the driving assistance system control unit software.

Owners of these vehicles have filed 58 complaints in the electrical category.

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