Camshaft Adjuster Solenoid Failure on Mercedes-Benz S350

Submitted by casey40510 · May 29, 2025
Published by RepairPal

Problem overview

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light and various drivability issues for the 2005-2010 S350. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.

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Mercedes-Benz S350 vehicles with this problem

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