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E320

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Question
There is no power to my power windows. The motors are not broken.
Hello. If all of the windows stopped working at the same time, then there is a power supply problem. It can be as simple as a main switch or it may be the control module. I usually start by checking...
Question
I have been experiencing a lack of power at acceleration that does gradually increase. Is it my fuel filter?
Hello. There are cases where a dirty fuel filter can cause engine performance issues, if it is dirty to the point of obstructing flow. If it has not been changed, I would recommend changing it as it could possibly be...
Question
Lowering my car
Lowering your car impacts numerous functional areas of your suspension (amount of flexibility when driving over a bump), steering (reducing the steering angle available, or interference of the tire with bodywork), brakes, suspension alignment (and tire life!), reduced ground clearance...
Question
Rich run, bad start, sometimes white smoke
The white smoke is a bit worrisome - usually an indicator of a blown headgasket, which will also cause rough running, especially at low speeds from a compression imbalance. The throttle position sensor may also be sending "off" signals to...
Question
There is trouble locking the left rear passenger door - 1995 Mercedes-Benz E320
Hello and thank you for contacting YourMechanic. Open the left passenger rear door and check to see what setting the child lock is on. If the lock is not on and it is set to unlock, then move the lever...
Question
One rear wheel warmer than the other, making scraping squeaking noise, started to vibrate when going faster
Hey there. It sounds like the hub may not have been pressed all the way into the bearing on installation. It's an easy mistake to make. Pressing in the hub takes a tremendous amount of force so it's sometimes hard...
Question
Why does my car vibrate so much when I am at a complete stop
There are many possible causes for this symptom; there could be a vacuum leak, or the car may simply need a tune-up. It would probably be best to have a certified mechanic take a look at the car and perform...
Question
How to disconnect the factory alarm box
Hi, thanks for writing in. The factory alarm system is integrated into the modules of the vehicle and cannot be bypassed. If they could, then this would defeat the original purpose to stop theft of the vehicle. You will need...
Question
No fuel pressure at all
Thats a good question. You could be correct, however, lets go further back and make sure we can't get your car fixed a little cheaper than going directly for the fuel pump. My first action would be to check the...
Question
Power window, signal light and wiper malfunction after rain water got inside my car.
Hi there. Usually when electrical components inside the vehicle become wet, it will only take one exposed wire to short out a relay or fuse panel. There are several electrical components that operate all of these systems that may have...
Question
My battery keeps going dead if I don't drive it everyday.
If your battery is in good condition, you might have an "electrical leak" And you may be spot on about the trunk sensor. But it could also be many other things. When the car is shut off and closed up,...
Question
I just got a P0087 code on my Mercedes.
Hi there. A fuel filter can cause a restriction in the fuel line if the filter is plugged up. If you are getting a P0087 code for fuel pressure rail is low, then put a fuel pressure tester on the...
Question
I have codes P0151, P0171, and P0174. I have changed out my O2 sensor, but now I have all these codes
Hey there. The codes you have downloaded simply relate to malfunctions in the "engine management system." It appears codes were set for oxygen sensor voltage out-of-range, possible EGR (exhaust gas recirculation) problems such as a blockage, and a generic code...
Question
Heat/AC blower turns off and on
Hi there. Check the switch for any loose wires or shorts from the blower motor switch to the ignition switch. Check the condition of the wire connections for an corrosion and see if the wires are loose on the ground....
Question
Oil leak and Check Engine Light is on
Hi there. Thanks for writing in. In some cases, the oil leaking from the vehicle after a rear main seal and oil cooler are repaired is caused by residual oil that was not cleaned or removed from the vehicle after...
Question
My front end is making a popping noise
This is a common sign of a failing CV joint. A CV (Constant Velocity) joint is a shaft that connects the transmission to the wheels, essentially transferring the power from the drive train directly to the wheels. The CV joint...
Question
how much will an oil change cost? new brake pads? any other necessary services?
Hi there: It would be very difficult to give you specific costs on routine maintenance costs for a 2001 Mercedes-Benz E320. However, you can review the recommended scheduled maintenance intervals by typing in your specific data at our service schedule...
Question
Car shakes violently after a few minutes of driving
This may be a sign of a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is clogged, this...
Question
How do I get my car's miles to show on the dash while the car is on?
Your car has a multi function display that can show mileage, trip mileage, service intervals, and other information. It sound like you may be having difficulty getting it to display what you want. Your car will either have buttons on...

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