The Mercedes-Benz CLS 550 is a luxury mid-size four-door coupe produced by German automaker Mercedes-Benz since 2004. The CLS 550 is the first production car of its kind, combining a coupe-like exterior design with the comfort and convenience of a luxury sedan. It is equipped with a V8 engine and a 7-speed automatic transmission that delivers impressive performance and advanced features such as Active Body Control and Adaptive Damping System. It has a luxurious interior with high-end features such as leather upholstery, ambient lighting, and an audio system. The CLS 550 has excellent safety features such as adaptive cruise control, lane-keeping assist, and blind spot assist.