2009 Mercedes-Benz CLK550 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 Mercedes-Benz CLK550

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2009 Mercedes-Benz CLK550 Problems

Check Engine Light Due to Faulty Camshaft Adjuster Solenoid

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.

HVAC Oder Due to Mildew in Heater Box

The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.

Convertible Models may Deploy the Roll Bar When Driving Over Large Bumps

Going over large bumps in convertible models may cause the roll bar to deploy, rendering the roof inoperative. Special tools are generally required to return the roll bar to its stowed position.

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