The 2017 Mercedes-Benz AMG GLS 63 SUV is a proud member of the fullsize SUV segment, locking horns with cars like the Land Rover Range Rover Autobiography. Buyers could also consider the way more expensive Bentley Bentayga. With standalone trim, the Mercedes-Benz AMG GLS 63 SUV carries a base price of MSRP $124,100. Its 5.5L twin-turbocharged V8 engine and a 7-speed automatic transmission give the SUV 577 horsepower and 561 lb-ft of torque. With that, it manages a 0-60 of 4.2 seconds and boasts a towing capacity of 7,500 pounds. Moving to fuel economy, the Mercedes-Benz AMG GLS 63 SUV manages to get a combined EPA rating of 15 MPG, which is just average for the class, with most of its rivals reaching similar numbers. It also has a ground clearance of 8 inches.