^{SpecificationsMake: Array Model: 2014 Mercedes CLS 63 AMG 4MATIC Engine/Motor: V8 Horsepower: 550 @ 5250 Torque: 531 @ 1750 Transmission: AMG SPEEDSHIFT MCT 7-Speed [do not use]} TheCLS 63 AMG S-Model sees Mercedes-AMG going one step further. True to the "Driving Performance" philosophy, a differential lock is fitted on the rear axle. This high-tech package results in a further MercedesBenz CLS63 S 4MATIC. Trim * AMG CLS 63 AMG CLS 63 S 4MATIC Coupe. Overview. AMG CLS 63 AMG CLS 63 S 4MATIC Coupe Package Includes. Price starting at. $109,895. Vehicle. EPA Classification. DKa2.