The C-Class is offered in three rear-wheel drive sedan and coupe configurations â?? C250, C350 and C63 AMG â?? and as a C300 4MATIC all-wheel drive sedan or C350 4MATIC all-wheel drive coupe. Additionally, the C250 and C300 sedans are available in either Sport or Luxury trim levels. The new C250 is powered by a 201-hp 1.8-liter turbocharged 4-cylinder engine, while the C300 is equipped with a 228-hp 3.0-liter V6 engine and the C350 gets a 268-hp 3.5-liter V6; all three engines now feature direct gasoline injection. The enthusiast-oriented C63 AMG boasts a hand-built 451-hp 6.3-liter AMG-tuned V8 engine. A revised seven-speed automatic transmission with manual shift mode is standard on every C-Class model; steering wheel-mounted paddle shifters are available. The C250 and C300 are outfitted with a power sunroof, 17-inch aluminum wheels, MB-Tex upholstery, dual-zone climate control, HD radio and a USB port, along with Bluetooth wireless connectivity and audio streaming. The C350 adds a rear spoiler, heated front seats, a 60/40 split-folding rear seat and satellite radio, while the C63 AMG is further outfitted with 18-inch aluminum wheels and AMG sport seats, as well as exclusive leather/simulated suede upholstery. Standard equipment exclusive to the new four-passenger coupe models includes unique sport seats and a Panorama sunroof. Safety features include stability and traction control systems, 4-wheel anti-lock disc brakes with brake assist, active anti-whiplash front head restraints and nine airbags. New for 2012, the Mercedes ATTENTION ASSIST drowsiness detection system is standard, while new safety-enhancing options include Adaptive Highbeam Assist, Park Assist, Lane Keeping Assist and Blind Spot Assist.The Mercedes-Benz C-Class is revamped for 2012, with new front and rear fascias, modified headlamps, LED daytime running lights/tail lamps and a revised cabin. It also gets enhanced standard equipment in the form of HD radio, Bluetooth audio streaming and a USB port. Additionally, a sporty coupe body style debuts, along with a new C250 model (sedan and coupe).