2008 Mercedes-Benz R350 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2008 Mercedes-Benz R350
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2008 Mercedes-Benz R350 ProblemsCheck 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.
Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.
A problem with the ball joints can cause a creaking noise. There is an updated part to remedy this problem.
2008 Mercedes-Benz R350 QuestionsA loud reving/fan sound came on and off an hour after being driven (1 answer)
It would come on suddenly like a siren, then taper down, up and down a few times. This was about an hour after I had driven it, keys out, and all locked up!?
It is the main computer for the engine.
I need to replace the fuel filler door. Color of vehicle is black
2008 Mercedes-Benz R350 RecallsMercedes–Benz Recalls 2008 Vehicles for Defect in Power Steering Oil Pressure Driving Pin
Mercedes–Benz is recalling certain 2008 GL-Class, M-Class, and R-Class vehicles for a possible defect in the driving pin used to control power steering oil pressure. If the pin breaks during normal vehicle turning, the steering assist will no longer operate, causing difficulty operating the steering wheel. Dealers will replace the steering gear in affected vehicles.