Ford Flex (2016) is 732 mm (28.82 inch) longer, 470 mm (18.50 inch) wider, 169 mm (6.65 inch) higher and has 737 liters (26.03 ft3) bigger cargo space than Mercedes B-Class (2018).
Mercedes B-Class (2018) is 633 kg (1,396 lbs) lighter than Ford Flex (2016).