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2007 Mercedes-Benz C350 4MATIC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2007 Mercedes-Benz C350 4MATIC

2007 Mercedes-Benz C350 4MATIC Problems

Catalytic converter failure is common and may cause a Check Engine Light to illuminate.

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.

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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2007 Mercedes-Benz C350 4MATIC Questions

Whenever the car is shifted from park to reverse there's a noticably long delay before the transmission engages. Then I feel a "thud" and the car moves in reverse. This occurs whether my foot is on the accelerator or not.

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