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V8-5.5L

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Question
washer fluid hasn't been coming out nozzles to windshield, yet within 12 hrs "refill washer fluid" notification comes up - leak?
Before replacing the reservoir, you should check the hoses to see if there are any leaks. It could be something as simple as a hose coming loose or breaking. If you are certain it's the reservoir, then I would go...
Question
Automatic Trunk open/close feature not working but button lights up. I soldiered broken wires back together - reset?
Hello, thanks for writing in. Most of the time this is caused by a programming issue with the control module. It usually occurs if the module fails or if there is a loss of power. It can also occur if...
Question
Center console cup holders (rings have fallen off - think cup holder assembly needs replaced
I would suggest replacing it. We, however, do not do this type of service. I do apologize. I do just as you are doing and go through the dealership to get the correct part for your car. Not everyone is...
Question
Does my water pump need to be replaced?
Hi there, thanks for writing in. There are 3 really good ways to check if your water pump needs to be replaced. First, visually inspect around the water pump looking for any signs of a leak. Water pump leaks,...
Question
Water Pump
If your water pump is going bad this can have many effects on your heat and air conditioning system. If the water pump is leaking this will cause the coolant level to go low. When this happens the heating system...
Question
Car idles rough, gas smell - 1988 Mercedes Benz 560SL
Check to see if the air filter housing has been sealed properly and that the mass air sensor has not been damaged by dirty air getting by the air filter assembly. If it has, then replace the mass air sensor...
Question
Car shuts off suddenly - 1987 Mercedes Benz 560SL
Hey there. I would check to make sure your mass air sensor is cleaned out and that the intake air system is completely sealed. If the mass air sensor gets dirt in it from an air filter housing that is...
Question
Car starts with difficulty, ABS and O2 sensor lights on
Hello. The hard start and O2 sensor light can be due to the fuel control distributor leaking excessive amounts of fuel from the air control door. Some leakage is normal but less that 22cc of fuel and anymore than this...
Question
Car will not start - 2010 Mercedes E550
Hi there. The job of the starter relay and the fuse that supplies power to it, is to activate the starter motor to spin when the ignition circuit has been activated. Since you've hooked up a battery (by attempting to...
Question
Air suspension valve not working pump works but no air comes out of valve to struts
If air is getting to the valve but not coming out, odds are yes the valve is bad. Unfortunately there is no rebuilding kit for them. It most likely will have to be replaced then the entire system will need...
Question
Check pad ware light came on
The light will come on when the brake pad is worn down to the minimum thickness and should be inspected right away. If you would like, a YourMechanic, certified technician can come and diagnose the brakes and quote the needed...
Question
changing steering wheel
Hi there. Unfortunately, we are unable to provide estimates on a steering wheel change since we do not perform this service. Your best bet will be to go to a Mercedes-Benz dealer and have them advise you on the possibility...
Question
Suspension
If the car was low and that's the reason the compressor and valve block were replaced, odds are the air struts themselves were damaged from sitting low. One or more strut is most likely damaged and leaking, not allowing the...
Question
I feel a pulsation through the wheel while making tight turns at a low speed. I have owned the car for 4 months
Hi, thanks for writing in. Since you feel the symptoms through the steering wheel during left turns, the problem is likely in the right front tire. The right front tire takes most of the load in a left-hand turn. Possible...
Question
Car cutting out when slowing down
This may be related to a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at...
Question
Mercedes engine is trembling
Hello. Your issues may be related to the throttle actuator that was alarming in the first place. If they know for a fact the throttle system as a whole is perfect, the next step would be to look into the...
Question
Hazard lights will not go off
Hi there. Check the switch to the hazard lights and see if the switch got stuck. Sometimes the switch tends to stick and make the hazard lights stay on. If the switch is working, then the contacts in the switch...
Question
Shaking in steering wheel at 120/km
The most common reason for a vibration while driving is a tire issue. The tires may be out of balance, or just worn to the point that they will cause this. Typically, the brakes won't cause this, unless it happens...
Question
Are my locks causing my battery to over night?
This may be a sign of a failing voltage regulator or a failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine...
Question
My car fan runs on 2 speeds - can I replace the radiator fan resistor?
Hello - I believe this is normal behavior, and handles cooling the engine down appropriately (i.e. fan speed changing based on how hot the engine was when running) upon shutdown. There are problem cases where the radiator fan runs on...

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