Check Engine Light Due to Faulty Camshaft Adjuster Solenoid on Mercedes-Benz C280

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 79,000 (65,000–96,000)
2 model years affected: 2006, 2007
12 people reported this problem
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check engine light illuminated. fault codes for camshaft out of adjustment. aware of class action suit filed in ca. problem not fixed at this writing.