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Shifting issues during usual acceleration
Hey there, thanks for writing in about your 2009 Mercedes-Benz E550. Be sure to verify that your car is not in "Limp Mode," as this will likely create the same reaction for your car. Mercedes uses this as a safety feature...
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...
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...
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...
Jerks when downshifting and slow. 2005 Mercedes Benz E55
You may have a broken motor or transmission mount that will allow the transmission or engine to move excessively. Also another possible cause is the transmission torque converter sticking when commanded to release. There are technical bulletins to flush the...
Command screen black logo. 2005 Mercedes Benz E55
Hey there, thanks for writing in about your 2005 Mercedes Benz E55 AMG. You may have to have the radio command unit reset and reprogrammed by the dealer using the latest software. They will have to reprogram the unit to...
Changing Transmission. Do I have to replace ball body module? - 2007 Mercedes Benz S550
Assuming you are talking about the valve body control module, the answer is typically yes. However, it depends on the situation and what specifically is wrong with your transmission. The Mercedes transmission in this generation is a very solid transmission...
My Mercedes 2009 CLS 550 will crank but wont start
First, try using an alternate key. If it starts easily with a different key, then the original key needs to be reprogrammed. If the problem persists with either key, then it could be the ignition switch or possible a fuel...
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,...
Fan never stops.
Hey there, thank you for asking about your 2007 Mercedes-Benz CLK550. This is a common symptom of a failing coolant fan relay. This relay controls the cooling fans and cycles them on and off based upon temperature. When this relay...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

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