The New Mercedes-Benz CLS 63 AMG S-Model has set a new benchmark in its class. The S-Model variant of the CLS 63 AMG not only boasts the performance but also comes with the AMG 5.5-litre V8 biturbo engine generating a maximum output of 585 hp and up to 800 Nm of torque. The V8 biturbo engine continues to be the absolute pinnacle of efficiency and it meets the requirements of the stringent Euro 6.