Pressing hard on the accelerator pedal and engaging the Kick Down Sensor puts the car into Limp Home Mode. Problem goes away once the car is restarted but quickly returns when punching the accelerator and engaging the Kick Down Mode. Replaced the 'Throttle Position Sensor' and the problem was fixed. I can now punch the car and it goes. Easy to replace, only tools needed is a 10mm socket for four bolts. Take a photo before disassembly to ensu...
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Newest reported Mercedes-Benz CLK320 problems
At certain low speeds the car felt like it was jerking, as if it were constantly downshifting. At other times I felt a rumbling, as though I were driving over a rough rode. It turned out to be a bad torque converter, and I had to have the transmission rebuilt. I also replaced the radiator (Valeo) which are known to fail and leak coolant into the transmission, causing the torque converter to fail. Valeo radiators were used in early 2004 mod...
The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance.
Irregular and premature tire wear can be caused by the lower control arm bushings cracking, resulting excessive movement at the control arm pivot point. Ball joints can also wear out prematurely, causing similar tire wear symptoms. I some cases it may be necessary to replace the lower control arm, including bushings & ball joint to correct this concern.
The Third brake light (the brake light on the trunk)becomes broken and disconeected. Brought to dealer and repaired for $390.
Computer control modules for the seats and doors, the CD changer, and the brake lamp switch tend to fail.
The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.
Going over large bumps in convertible models may cause the roll bar to deploy, rendering the roof inoperative. Special tools are generally required to return the roll bar to its stowed position.