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March 30, 2023 Service bulletin

Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with...

Mercedes-Benz technical service bulletin CL-ELWExhaustVal for 2011-2016 Mercedes-Benz E550, 2011-2016 Mercedes-Benz S550 and 2011-2016 Mercedes-Benz GL550 and others.

Bulletin number
CL-ELWExhaustVal
Component
Engine and engine cooling
Summary
Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the check engine Malfunction Indicator Lamp (‘MIL’).

Owners of these vehicles have filed 48 complaints in the engine category.

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