Mercedes GLB-Class (2020) is 375 mm (14.76 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 (2014).
Seat Leon (2014) is 1309 kg (2,886 lbs) lighter than Mercedes GLB-Class (2020).