The 2002 Mercedes-Benz CLK-Class is available as a 2-door, 4-seat coupe. Starting at $49,600, the 2002 Mercedes-Benz CLK-Class Convertible is powered by a 3.2L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2002Mercedes-BenzCLK-ClassConvertible , priced at $ 79,000 , is powered by a 5.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.