Check Engine Light Due to Faulty Camshaft Adjuster Solenoid on Mercedes-Benz E550 4MATIC

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. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.

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Average mileage: (–)
4 model years affected: 2007, 2008, 2009, 2010
4 people reported this problem
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