The Mercedes-Benz CLS-Class is a series of four-door coupe-inspired luxury sedans produced by the German automaker Mercedes-Benz since 2004. The CLS-Class is part of the Mercedes E-Class family and is offered in four different models: the CLS 350, CLS 400, CLS 450, and CLS 53. The CLS-Class is distinguished by its sleek, aerodynamic styling and a spacious cabin layout. It is powered by a range of turbocharged gasoline and diesel engines and offers a comfortable and refined ride.