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R350

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Question
Car idling high when stopped
Hi there. A vehicle idling high can be caused by a couple of problems. First, it can be due to a loss of manifold pressure, causing the vehicle to compensate the lack of air intake by throttling higher on its...
Question
Power steering fluid leak.
Hello, a power steering leak is something that needs to be addressed sooner rather than later, so the pump doesn't run dry and cause internal damage. The most common leak in the power steering is the power steering reservoir where...
Question
Steering wheel hard to turn at times
Hello. When the steering becomes hard to turn at slow speeds then it is typically caused by a bad hydraulic pump, which would need to be replaced. However, I would first check the fluid in it as low fluid will...
Question
Sunroof stuck open
Hi. The sunroof becoming inoperable is a common problem that many R350 owners encounter. The sunroof motors Mercedes produced on these vehicles have been problematic for many owners. They often fail and will need replacement. However, the motor itself is...
Question
Head lamp stays on
A few faults can cause the vehicle to have a headlight that remains on. The most common problems include a wiring short to power, switch issue, or the headlight itself. If you'd like to get this fixed and you're tired...
Question
Check engine running rough
You may have overfilled your engine with oil and the excessive oil started to foul out the engine cylinders. Have the oil level sensor checked by having a mechanic diagnose the problem and Check Engine Light to see if oil...
Question
side window came loose
In this situation, you will need to call out an automotive glass repair company to come and replace or repair the glass for you. This is the only way to get the glass repaired for your window so that you...
Question
Towing alarms stays on
If you turned it off and it is still going off on your 2006 Mercedes Benz R350, then you have a problem in the computer system and will need to have the vehicle taken in for service of the computer....
Question
Head lamp stays on
Hey there, thanks for writing in about your 2010 Mercedes-Benz R350. Have the control module under the driver's seat checked to see if any water was introduced and has gotten it wet. If it has, then the A/C drain hoses...
Question
Leak into wheel well
You should have the A/C drains checked to see if the drains are blocked causing the water to leak into your 2008 Mercedes Benz R350. Dirt and debris that gets in the A/C evaporator case can clog the A/C drain...
Question
Stuck intake valve
Hello. I am assuming that you are referring to the intake valve that is located inside of the engine. If my assumption is correct, the only way to fix this issue is to have the cylinder head replaced or rebuilt....
Question
How much is (Serice A) 2007 R350
This would depend on what the service A is scheduled for. I believe that this can be customized to whatever you would like it to be. For example, the vehicle does not come with a monitor for tire rotations however...
Question
Continuous camshaft adjustment (LEFT): Incorrect position of the exhaust camshaft (P0025)"
The P0025 code is telling you that the exhaust camshaft timing is running late. This is not necessarily a sensor issue, but more likely a mechanical one. The variable camshaft timing is controlled by a hydraulic device that is part...
Question
Balance shaft, timing case cover and camshaft Bank 1a need replacing.
Without knowing all of the details, I'm going to guess that your problems go deeper than that. If you've decided that the timing cover needs replacing because of physical damage (did the chain come through?) then I'm supposing that the...
Question
Mercedes 2006 R350 not starting.the vehicle was not started for 20 days.road side assistance visited and they said battery is good
Hello, thank you for writing in. In addition to checking the battery, you will want to make sure the battery cables are clean, dry, and tight. When the cables or ground connections are loose or corroded, they are likely going...
Question
Heat in car is not hot
This may suggest the thermostat might be stuck open or you may have a clogged heater core. As you know, if the thermostat is stuck open, the coolant circulates constantly never allowing the motor to fully warm up and therefore...
Question
Engine light fault. There was a bad spark plug and a failed ignition coil. Replaced both the coil pack or spark plug.
Hi there. If the light is coming on then shutting off and returning on, then if the issue is for the same coil, there could be an issue with the wiring on the coil plug. Check the wiring on the...

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