The 2013 Mercedes-Benz C-Class is available in sedan and coupe body styles, both of which are available in C250, C350 and C63 AMG trim levels. The C250 and C300 4Matic trims come standard with 17-inch wheels, automatic headlights, LED running lights, automatic wipers, a sunroof, cruise control, dual-zone automatic climate control, eight-way power front seats (with adjustable lumbar), MB-Tex vinyl upholstery, a tilt-and-telescoping steering wheel and auto-dimming mirrors. Electronic features include a 5.8-inch central display, the COMAND interface, mbrace2 telematics/smartphone integration, Bluetooth phone and audio connectivity, and a sound system with a CD player, auxiliary audio jack, a USB audio jack and HD radio. The C300 4Matic adds all-wheel drive and a V6 engine. In sedan form, the C250 and C300 4Matic are further split into Luxury and Sport sub-trims. The Premium 1 package adds four-way adjustable lumbar support for the front seats, heated front seats, driver memory functions, a power-adjustable steering wheel, split-folding rear seats and a Harman Kardon surround-sound audio system with satellite radio and an iPod interface. Every 2013 Mercedes-Benz C-Class comes standard with stability and traction control, antilock brakes, a driver knee airbag, front side thorax airbags, front side pelvic airbags and full-length curtain airbags.