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E320

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Question
Camber is having a large offset
Hello, thank you for writing in. The majority of the issues with driving on excessive camber stem around excessive wear to steering and suspension issues. If something is failing, and you continue to drive on it, you always risk having...
Question
Does my 2001 Mercedes need Motor mounts? How many motor mounts are there?
Your car has two motor mounts in the front and one transmission mount at the rear. The Front motor mounts soak up most of the engine vibration and last for about 10 or 12 years before they start to get...
Question
Check engine light came on and code was P0410
A P0410 can be a real bear on a Mercedes. But first you need to check the simple stuff. The Auxiliary air system is an emission control device that blows air into the hot exhaust stream to help burn up...
Question
neutral safety switch problem
Hi there. It could be, a faulty neutral safety switch causing the engine not to turn over. Putting the gearshift lever into neutral and trying to start the vehicle may help confirm that possibility. A no crank situation could also...
Question
I changed the differential oil to Amsoil Severe Gear 75W-90 Synthetic(open differential). Will synthetic gear oil cause damage.
Synthetic oils generally offer better protection than conventional oils. They stay cleaner longer and withstand higher temperatures better than conventional fluids do. A good rule of thumb to go by whether using conventional or synthetic fluids, so long as the...
Question
I can't turn the key on my Mercedes E320
The simplest Answer is that the steering column is under torque. If the car was parked while the steering wheel was sharply turned, the column lock may be jammed. You can unjam it by turning the steering wheel slightly. In...
Question
Steering wheel locked up
If it was security related the vehicle would not even start. The problem is likely the physical lock mechanism itself and/or the link with the ignition switch. This problem has been reported for this year, make and model before and...
Question
The car is misfiring and not picking speed
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
I have a 1995 Mercedes-Benz E320 and I believe the Serpentine Belt has gone on the vehicle and now the car wont even start before
Hello, thank you for writing in. The issues you are having may very likely be related to the serpentine belt failing. Typically they break, or stretch out. It should be easy to see if you were to open the hood....
Question
Hello Patrick. I have 2 stud's that have already broke in my rim/tire, it happened one time before and I had to get it burned out
Hi there. Mercedes-Benz lug studs are incredibly brittle and tend to snap under two different situations. First, the stud will be torqued down too tightly, which fuses the stud inside the hub and snaps when it's taken off with an...
Question
No crank no start Key turns
when you have multiple issues like this, a good place to start is by checking the battery voltage. When the battery voltage drops off, the various modules on your car can do all sorts of spooky things. Then try starting...
Question
TRANSMISSION WONT SHIFT INTO PARK, REVERSE OR DRIVE STUCK IN NEUTRAL
A couple of things to look into. First, the brake light switch. Besides signaling the brake lights to work, the brake light switch communicates with the anti-lock brake system as well as the shifter and ignition locks. If the brake...
Question
ESP defective and engine turns off.
Hi there. Trying to diagnose mechanical issues in extreme cold weather you appear to be enduring is nearly impossible without being there to physically check a few common parts. The ESP stability control applies the brakes to the right rear...
Question
I'm looking at 8-10 year old MB E320 in diesel and gas. Which has the overall lower cost of ownership and greater reliability? Tha
Hi there. In regards to overall service and maintenance, gasoline powered vehicles have fewer components that require routine service. The cost of maintaining a gasoline powered vehicle tends to be slightly lower. In regards to fuel economy, the turbo diesel...
Question
When idled, why does my car completely shut off?
Stalling can be caused by any number of components or issues. A vacuum leak due to a broken air intake hose or intake manifold gasket can be a cause. If the engine is drawing in too much air, this would...
Question
Why do I have black soot on my exhaust? Check Engine is not on 2004 Mercedes E320
Hello - a bit of black soot on the exhaust pipe can be due to several things that don't necessarily represent a problem. If you consistently drive short trips, where the engine doesn't have a chance to warm up completely,...
Question
Could you please define what can be root cause?
Surging can be caused by a number or mechanical or electronic issues. A vacuum leak for example. If there is a crack in the air intake hose, or a vacuum line or loose or broken, this can effect idle speed...
Question
As soon as I start up the car and I press the brake I hear a beep sound and my right low beam headlight goes out.
The chime that you are hearing is for a brake light or a headlight that is burned out or shutting off. The brake system could have a problem and shorting out with the headlight circuit and the right headlight could...
Question
2004 E320 Mercedes Benz squeaky Noise occassionally from left wheel area when driving over a bump or just driving. 2004 Mercedes E320
Hi there - this noise could be from suspension link or bushing(control arm or sway bar), or from the spring seats. This is the sort of random noise that springs up after some years of service. Will probably require putting...

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