Mercedes-Benz R350 Repair and Maintenance

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

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Mercedes-Benz R350
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Mercedes-Benz R350
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Mercedes-Benz R350
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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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Mercedes-Benz R350 Questions

is there a counter ring for ABS on a left front axle cv joint ? (1 answer)

I replace the left front wheel bearing and i don"t remember seeing a counter on the outer CV joint for ABS and my ABS light is on i reseted and comes back on saids problem whith wheel bearing,

where is the main computer located on the vehicle? (1 answer)

It is the main computer for the engine.

Where can I get a fuel filler door (1 answer)

I need to replace the fuel filler door. Color of vehicle is black

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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.

Mercedes–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.

Incorrect Software Calibration May Cause Fuel Pump to Remain Powered in a Collision

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

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Mercedes-Benz R350 Reviews

AVOID! Mercedes vehicles are nice when they work, but they spend most of their time getting piggie-back rides from tow-trucks. Just under 120K miles and total engine failure. Advised to replace cam magnets, replaced plugs also, codes went away - then suddenly blown engine! Balance shaft jumped timing, total engine loss. Before this, converted troublesome air suspension to conventional springs. ...
Bought a 2006 R350 with 22,000 miles in 2010, with a little hesitation because "it was traded in by an older couple on a new MB". The car was still under warranty for a couple months. The car now has 160,000 miles on (140,000 in 5 years).We have had issues on and off with the car, but try to do as much work on the car as I can. I have replaced the cam sensors, rear air sprongs,brakes and rotors...
I purchased this car about 1 month ago at a very good price. I read consumer postings regarding the relative issues and decided for the price it was worth the headache. Due to the left rear airbag leaking, I have replaced the rear air ride system with standard springs and shocks from Strutmasters. It was the best investment I made. Rides and drives well. Really everything else is regular mainte...

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