Ford Flex (2017) is 321 mm (12.64 inch) longer, 330 mm (12.99 inch) wider, 122 kg (269 lbs) lighter and has 533 liters (18.82 ft3) bigger cargo space than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 62 mm (2.44 inch) higher than Ford Flex (2017).