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TSB Document:

Affected 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’).

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Date Published
MAR 30, 2023
NHTSA TSB #
10233794
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