The Mercedes-Benz GLS-Class is a full-size luxury SUV produced by the German carmaker Mercedes-Benz. It is the second-generation version of the Mercedes-Benz GL-Class and was unveiled in April 2015 at the New York International Auto Show. The GLS-Class is the biggest SUV in the Mercedes lineup, and offers seating for up to seven passengers. It is available with either rear-wheel or all-wheel drive, and a range of engines, including a hybrid model.