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July 21, 2023 Service bulletin

Engine and engine cooling

Mercedes-Benz technical service bulletin NCU-2023070011 for 2020 Mercedes-Benz S550, 2020 Mercedes-Benz S 450 and 2020 Mercedes-Benz S 560 E and others.

Bulletin number
NCU-2023070011
Component
Engine and engine cooling
Summary
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020 S-Class (222 platform) vehicles, the engine electronics control unit software may not correspond with the current specifications. MBUSA will conduct an Emissions Service Campaign. An authorized Mercedes-Benz dealer will perform a software update to the engine electronics control unit on the affected vehicles.

Owners of these vehicles have filed 1 complaints in the engine category.

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