Mercedes M-Class (2015) is 576 mm (22.68 inch) longer, 116 mm (4.57 inch) wider, 342 mm (13.46 inch) higher and has 310 liters (10.95 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 961 kg (2,119 lbs) lighter than Mercedes M-Class (2015).