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
2 people shared problem details
2007 Mercedes-Benz SLK35044,000Visitor
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 SLK35089,000Visitor
ck engine light
Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition...
Yes I can smell oil burning coming from under my hood. I can also see small drops around the ba...
The engine may develop a stalling and/or no start condition due to a failed crankshaft position...