The Mercedes-Benz S63 AMG 4matic is a high-performance sedan that is part of Mercedes-Benz's flagship luxury performance series, AMG. It is powered by a 4.0 liter V8 biturbo engine that produces 603 horsepower and 664 pound-feet of torque. It has a 7-speed automatic transmission and is available in both rear-wheel drive and 4matic all-wheel drive. The S63 AMG 4matic also comes with a host of luxury amenities including full leather upholstery, heated and ventilated seats, Navigation, and a Burmester surround sound system.