The Mercedes-Benz C63 AMG Cabriolet is a performance focused variant of the A205 C-Class Cabriolet that was introduced for the 2017 model year. The AMG tuned C 63 featured Mercedes' M177 engine, which is a twin-turbo V8 powerplant that generates 469hp, driving power to the rear wheels via a 9 speed automatic transmission. A more powerful version, known as the W205 C63 AMG S Cabriolet was also built.