The 2009 Mercedes-Benz C-Class is available as a 4-door, 5-seat sedan. Starting at $36,450, the 2009 Mercedes-Benz C-Class Luxury C 300 AWD is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2009 Mercedes-Benz C-Class C 63 AMG RWD, priced at $56,300, is powered by a 6.2L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 19-mpg on the highway.