$12k sounds too high. More like $9-10k.

The 2000-2002 M112 V6's are very reliable. Just make sure the radiator has been replaced and the transmission fluid changed. Other than that, normal car review. I love our CLK320. Very smooth and economical.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k