The Mercedes-Benz S550 4matic Coupe is a high-performance luxury coupe. It is powered by a 4.7 liter twin-turbo V8 engine that produces 449 horsepower and 516 lb-ft of torque. The S550 4matic Coupe features the 4matic all-wheel drive system for superior grip and control in all weather and road conditions. It also comes with several luxury features such as a panoramic sunroof, a digital instrument cluster, and active safety features such as lane keeping assist, active brake assist, and adaptive cruise control.