Mercedes M-Class (2015) is 379 mm (14.92 inch) longer, 136 mm (5.35 inch) higher and has 230 liters (8.12 ft3) bigger cargo space than Volvo XC40 (2017).
Volvo XC40 (2017) is 108 mm (4.25 inch) wider and 417 kg (919 lbs) lighter than Mercedes M-Class (2015).