Mercedes M-Class (2015) is 557 mm (21.93 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 (2016).
Seat Leon SC (2016) is 937 kg (2,066 lbs) lighter than Mercedes M-Class (2015).