Ford Flex (2018) is 258 mm (10.16 inch) wider, 552 kg (1,217 lbs) lighter and has 543 liters (19.18 ft3) bigger cargo space than Mercedes GL-Class (2017).
Mercedes GL-Class (2017) is 21 mm (0.83 inch) longer and 124 mm (4.88 inch) higher than Ford Flex (2018).