Mercedes GLB-Class (2020) is 1098 mm (43.23 inch) longer, 193 mm (7.60 inch) wider, 183 mm (7.20 inch) higher and has 319 liters (11.27 ft3) bigger cargo space than Volkswagen Up (2017).
Volkswagen Up (2017) is 1638 kg (3,611 lbs) lighter than Mercedes GLB-Class (2020).