Mercedes M-Class (2014) is 110 mm (4.33 inch) wider, 251 mm (9.88 inch) higher and has 325 liters (11.48 ft3) bigger cargo space than Toyota Mirai (2019).
Toyota Mirai (2019) is 86 mm (3.39 inch) longer and 302 kg (666 lbs) lighter than Mercedes M-Class (2014).