The 2011 Mercedes-Benz C-Class is an entry-level luxury sedan available in four trim levels: C300 Sport, C300 Luxury, C350 Sport and C63 AMG. The C300 models share the same engine and are both available with 4Matic all-wheel drive, but differ in exterior styling elements, interior trim, suspension tuning, front seat design and standard transmission. Both 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.