Mercedes M-Class (2015) is 435 mm (17.13 inch) longer, 368 mm (14.49 inch) higher and has 355 liters (12.54 ft3) bigger cargo space than Volvo V40 (2015).
Volvo V40 (2015) is 115 mm (4.53 inch) wider and 748 kg (1,649 lbs) lighter than Mercedes M-Class (2015).