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October 30, 2020 Service bulletin

Engine

Mercedes-Benz technical service bulletin NCU - Extended W for 2012-2015 Mercedes-Benz CLA250.

Bulletin number
NCU - Extended W
Component
Engine
Summary
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (?MY?) 2012-2015 Mercedes-Benz Model 204 and 172 vehicles (C250 and SLK250), the warranty on the camshaft adjuster will be extended from the original 4 years/50,000 miles to 10 years/120,000 miles (whichever occurs first) from the original warranty start date.

Owners of these vehicles have filed 87 complaints in the engine category.

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