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August 14, 2020 Service bulletin

Electrical system: software

Mercedes-Benz technical service bulletin NCU-2020080005 for 2019 Mercedes-Benz C300, 2019-2020 Mercedes-Benz GLC 300 and 2019 Mercedes-Benz AMG C43 and others.

Bulletin number
NCU-2020080005
Component
Electrical system: software
Summary
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz, has determined that on certain MY19-20 C-Class, GLC-Class, and AMG GT (205, 253, and 290 platform) vehicles, the software for the AMG drive unit control unit does not correspond to the current series production configuration. As a result, noise may occur from the engine mounts. An authorized Mercedes-Benz dealer will update the software as necessary.

Owners of these vehicles have filed 41 complaints in the electrical category.

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