Ford B-Max (2020) is 47 mm (1.85 inch) higher and 116 kg (256 lbs) lighter than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 316 mm (12.44 inch) longer, 35 mm (1.38 inch) wider and has 168 liters (5.93 ft3) bigger cargo space than Ford B-Max (2020).