The Mercedes-Benz AMG CLS63 S 4matic is a high performance version of the Mercedes-Benz CLS63, with a 5.5L V8 engine that produces up to 577 horsepower. It features a 7-speed AMG Speedshift MCT transmission, 4Matic all wheel drive, and a variety of performance enhancements such as adjustable suspension, exhaust, and wheels. The CLS63 S 4matic is capable of going from 0 to 60 mph in just 3.7 seconds and has a top speed of 155 mph.