Mercedes GLB-Class (2019) is 613 mm (24.13 inch) longer, 98 mm (3.86 inch) wider, 180 mm (7.09 inch) higher and has 191 liters (6.75 ft3) bigger cargo space than Opel Corsa (2017).
Opel Corsa (2017) is 379 kg (836 lbs) lighter than Mercedes GLB-Class (2019).
