Mercedes M-Class (2015) is 3 mm (0.12 inch) wider, 12 mm (0.47 inch) higher, 200 kg (441 lbs) lighter and has 376 liters (13.28 ft3) bigger cargo space than Volvo XC90 (2015).
Volvo XC90 (2015) is 146 mm (5.75 inch) longer than Mercedes M-Class (2015).