Mercedes GLB-Class (2020) is 356 mm (14.02 inch) longer, 18 mm (0.71 inch) wider, 200 mm (7.87 inch) higher and has 190 liters (6.71 ft3) bigger cargo space than Seat Leon (2016).
Seat Leon (2016) is 1305 kg (2,877 lbs) lighter than Mercedes GLB-Class (2020).