The 2011 Mercedes-Benz C-300 Luxury models are available with 4Matic all-wheel drive, but differ in exterior styling elements, interior trim, suspension tuning, front seat design and standard transmission. The C300 models come standard with 17-inch wheels (different designs, however), a sunroof, automatic headlights, cruise control, dual-zone automatic climate control, a tilt-and-telescoping steering wheel, eight-way power front seats, vinyl upholstery, Bluetooth and an eight-speaker stereo with a CD player, auxiliary audio jack and a pop-up 5-inch display screen. The Premium I package adds auto-dimming mirrors, a 10-way power driver seat, power driver lumbar support, driver memory functions, a power-adjustable steering wheel, automatic wipers, heated front seats, satellite radio, a power rear sunshade and a split-folding rear seat. A lighting package adds active xenon headlights with washers, LED running lights (standard on Sport version) and LED taillights. The 2011 Mercedes-Benz C300 is powered by a 3.0-liter V6 that produces 228 hp and 221 pound-feet of torque. A seven-speed automatic transmission is standard equipment for the C300 Luxury and optional on the C300 Sport, which comes standard with a six-speed manual. Rear-wheel drive is standard and all-wheel drive is optional. In performance testing, the C300 Sport with the automatic went from zero to 60 mph in 7.3 seconds. EPA-estimated fuel economy is 18 mpg city/26 mpg highway and 21 mpg combined with rear-wheel drive. All-wheel drive drops these estimates to 18/25/20.