2009 Mercedes-Benz R350 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 Mercedes-Benz R350

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2009 Mercedes-Benz R350 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.

"Crank no Start" Due to Failed Crankshaft Position Sensor

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance. Communicating these specific symptoms to your technician can save diagnostic time.

Problem With Ball Joints May Cause Creaking Noise

A problem with the ball joints can cause a creaking noise. There is an updated part to remedy this problem.

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2009 Mercedes-Benz R350 Questions

One brake light on left botton and one on right top is out. The bulb and fitting have been tested and work. Could the problem be a fuse. Help!!! (2 answers)

The brakes tail light left is on the dash monitor but not for the right side.

Need to reset maintenance message lfor oil change (1 answer)

Why I'm hearing a noise under hood after I parked no keys in the ignition (2 answers)

I'm hearing this noise twice but today was the first time I herd it in awhile.. My rclass has check engine lite on for mass sensor...how can my car make a rumbling noise with no key in the ignition..

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2009 Mercedes-Benz R350 Recalls

Driver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments

The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag module free of charge to resolve the concern.

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