2010 Mercedes-Benz

The 2010 CLS-Class is a 4-door, 4-passenger luxury sedan, or luxury sports sedan, available in two trims,... read more the CLS550 4-Door Coupe and the CLS63 AMG 4-Door Coupe. Upon introduction, the CLS550 4-Door Coupe is equipped with a standard 5.5-liter, V8, 382-horsepower engine that achieves 14-mpg in the city and 21-mpg on the highway. The CLS63 AMG 4-Door Coupe is equipped with a standard 6.2-liter, V8, 507-horsepower engine that achieves 12-mpg in the city and 18-mpg on the highway. A 7-speed automatic transmission with overdrive is standard on both trims.