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Mercedes-Benz cars are renowned for their luxury and dependability. The 2004 CLK320, while not perfect, tends to experience issues less frequently than expected. Common problems include oil leaks, a faulty stepper motor causing clicking sounds, and crankshaft position sensor malfunctions. Fixing these issues, especially oil leaks, can range from simple to challenging depending on the cause and location. Another important note is the CLK320's requirement for premium unleaded fuel due to its high compression ratio. Using regular fuel can result in engine knock and potential serious damage, typically due to driver oversight. Avoid this mistake to keep your vehicle running smoothly.
The motor and transmission mounts were worn out at 90,000 miles, and dealing with the soft top limit switches was a hassle. Additionally, the control arm rubber bushings needed attention. Now, with 100,000 miles and all the necessary repairs done, the vehicle feels and drives like new, with a smooth-running engine and properly shifting transmission.
The issues seen in the 2004 Mercedes CLK320 include a drained battery and high levels of oil consumption.