Performance update for the CLS63 AMG: along with the new E63 AMG, the latest model upgrade also benefits the CLS63 AMG in its Coupé and Shooting Brake variants. The S-Model variant of the CLS63 AMG not only boasts the performance-oriented AMG 4MATIC all-wheel drive but also comes with the AMG 5.5-litre V8 biturbo engine generating a maximum output of 430 kW / 585 hp and up to 800 Nm of torque. The AMG 5.5-litre V8 biturbo engine continues to be the absolute pinnacle of efficiency: the combination of high performance and low fuel consumption remains unrivalled by any other competitor in the segment worldwide. The rear-wheel-drive variant rated at 410 kW / 557 hp and generating 720 Nm of torque is optionally available with the performance-oriented AMG 4MATIC all-wheel drive.
Source: Mercedes-Benz Press Release