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.
Resources for the Repair and Maintenance of your 2008 Mercedes-Benz R350
2008 Mercedes-Benz R350
2008 Mercedes-Benz R350 Problems
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.
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.
As a way to increase braking performance, the brake pads and rotors are make of a softer material and may be in need of replacement after approximately 20,000 miles; owners should be vigilant about getting their brakes checked.
2008 Mercedes-Benz R350 Recalls (Recent)
RepairPal Expert Overview:
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.
2008 Mercedes-Benz R350 Questions and Answers
there is a loud humming noise when i accelerate. as i go faster, the noise gets louder. after i pass 85mph, it goes away. i think something is out of balance. is it maybe a wheel baring, drive shaf...
Engine light keep comming on and off after being serviced Check oil when fueling and brake wearing light. These lights do not stay on constantly. Also O2 senor replaced. Thanks
Car has a second or 2 delay in getting into gear following placing foot on accelerator, and has a rough bump going into gear; also have noticed a slight whine at low to medium speeds that goes away...
Alignment good too.
Just got a crazy quote from dealership for front air struts. Did research and found people change to coils and it's a much cheaper replacement. Is this good or bad?
2008 Mercedes-Benz R350 Reviews
This is supposed to be a Mercedes. MB Corp need to have the courage to fix the problems that are common in all R350 such as manifold exhaust system, and air suspension issues.
Hello Every one, I just need to give some advise to the ...nothappyMBowner.... I think you do not need transmission most of the times the transmission control module unit goes bad on new Mercedes so you need to replace that part and will cost you $120.00 part on Mercedes Dealer and 2 hours of labor. Remember Guys Mercedes isnot a racing car for fast takeoff or drive crazy. My 2008 E63 Mercedes has 236000 Miles with not any isues. GOOD LUCK.