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Fans not coming on.
Hello. You engine should be equipped with a viscous fan for the cooling system. It uses heat from the radiator to engage the fan so that it spins with the engine, which pulls air through the radiator. Typically this fan...
Hydraulic not lifting
Hi. The Active Body Control suspension on your vehicle is something that should be diagnosed and serviced by a qualified mechanic. The ABC system has 13 body sensors, 4 level sensors, 3 accelerometers, and 4 pressure sensors that measure and...
Active Body Control problem
Hi. It sounds like there was a small leak in the system that has turned into a bigger one, and now the system can't hold any pressure at all. Typically, there will be puddles of hydraulic fluid leaking from the...
Trunk not opening
If your trunk will not open, that may be a sign of a possible problem with the trunk's hydraulic pump, or perhaps an electrical problem elsewhere. Unless the problem is with the latch, you should still be able to open...
Driver's side dropping down
This sounds like you may have a flat tire. When a tire is flat it is unsafe to drive as it greatly increases the risk of a tire blowout when driving. I recommend taking your vehicle to a tire shop...
Car not changing gears
If the shifter will not move from park to another gear, you may have a problem with your shift lock solenoid. If the vehicle will go into drive but will not shift out of first gear, you may have internal...
Thumping noise and vibration at lower speeds
Hello there, with the 2002 CL500 and many other older vehicles it is not uncommon to develop vibration issues. The most common causes would be a damaged rim, out-of-balance tire, failed strut or shock, or another failed suspension component. With...
Steering wheel noise, wheels rolled over the tires' sidewall
Hello there, this is not a common fault on the 2002 Mercedes CL500. There are a few potential causes for a clunk like this. The most likely would be a failed ball joint, failing power steering rack, tie rod end,...
Electrical components on the driver's side quit working
Hello there, electrical issues are not uncommon on the 2002 Mercedes CL500. There are a few potential causes such as a wiring fault, low battery, or failing components. With the fault moving from system to system, the most likely in...
Noise under the driver's seat
First off, the first side of the car dropping down indicates a problem with the air suspension - most likely a failed air strut. As far as the noise goes, if it goes away with the belt off, the noise...
Car loses power, cannot start. 2002 Mercedes-Benz CL500
Hello there, misfires are a common fault on cars as they get older such as the 2002 Mercedes CL500. Many different faults can cause the misfires such as the spark plugs, coil packs, fuel injectors, fuel pump, MAF sensor, oxygen...
Smell gas inside my car
If you are smelling fuel fumes inside the car then you should not drive the vehicle until the fuel leak is identified and fixed. If you smell the fumes there is a risk of a fire which makes it unsafe...
mercedes benz g500 2005 problem
Hello and thank you for contacting YourMechanic. If your transmission sometimes won't shift to second gear and sometimes the transmission won't shift back to first gear, then there is a problem with the valve body and electronic shift solenoids. The...
Gas sensor not working; car stalled in intersection
The fuel tank on your vehicle is under the rear passenger seat. There are 2 fuel pumps in the tank, each with a large seal, that must be installed perfectly to avoid fuel/fume leakage. Mercedes is aware of this issue...
Stalling engine, brakes, power steering and transmission failure
The stalling may well be caused by a failure of the crankshaft position sensor. This device provides timing instructions for the ignition system. When it fails, the engine no longer gets spark at the spark plugs and stalls. When the...
Transmission slipping and pulls left and right - 2006 Mercedes Benz CLS500
Hi there, thanks for writing in. There is an internal speed sensor on this transmission that has been problematic for Mercedes Benz. It is corrected when under warranty, and there are numerous cases where the MB dealer handled this as...

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