My personal opinion of it is that it is a cool little car. I don't know a whole lot about that specific engine, but it should be about as reliable of a car as you are going to find in that model year. For 2006, they now have replaced the 4 cylinder engine with a DOHC V6 and kept the price the same.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record