All new for 2012, the Mercedes-Benz CLS-Class is a four-door luxury sedan powered by a 4.6-liter twin turbocharged V8 engine that produces 402 hp and 443 lb-ft of torque. Pairing the RWD with a 7-speed automatic transmission enables the CLS550 to achieve an EPA estimated 16 mpg city and 24 mpg highway. Upgrading to the AMG variant, dubbed CLS63, will grant the driver a handcrafted 5.5-liter bi-turbocharged V8 engine for a 0-60 time of 4.4 seconds. An optional AMG performance package boosts engine performance to a whopping 550 hp. Features include bi-xenon headlamps, 19-inch wheels, sport steering wheel, power tilt/sliding sunroof, rear view camera, power rear window sunshade, heated/ventilated front seats, keyless start, navigation system, heated steering wheel, park assist, premium sound system with media interface, rear seat entertainment system, 6-disc CD/DVD changer, and hands-free phone capabilities. Safety is comprised of 12-way airbag protection, active blind spot assist, active lane keeping assist, adaptive high beam assist, adaptive damping system, anti-lock braking, brake assist, and electronic stability control. The CLS-Class is backed by a 4-year/50,000-mile warranty.