Mercedes B-Class (2017) is 146 mm (5.75 inch) longer, 111 mm (4.37 inch) higher and has 106 liters (3.74 ft3) bigger cargo space than Seat Leon SC (2016).
Seat Leon SC (2016) is 24 mm (0.94 inch) wider and 182 kg (401 lbs) lighter than Mercedes B-Class (2017).
