Check Engine Light Due to Faulty Camshaft Adjuster Solenoid on Mercedes-Benz SLK350

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: 58,666 (43,000–89,000)
6 model years affected: 2005, 2006, 2007, 2008, more2009, 2010
11 people reported this problem
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problem details
2007 Mercedes-Benz SLK350 44,000 mi,
Check engine light came on. I have noticed that shifting was louder and less smooth. Replacement of Camshaft Solenoids costing $475.00, including parts, labor & tax.
2006 Mercedes-Benz SLK350 89,000 mi,
ck engine light