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.
Check Engine Light Due to Faulty Camshaft Adjuster Solenoid on Mercedes-Benz SLK350
Average mileage: 58,666 (43,000–89,000)
11 people reported this problem
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Viewing 1 - 2 of 2 problem details
2007 Mercedes-Benz SLK350 44,000 mi, Visitor
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, Visitor
ck engine light