Mercedes GLK-Class (2014) is 996 mm (39.21 inch) longer, 199 mm (7.83 inch) wider, 223 mm (8.78 inch) higher and has 199 liters (7.03 ft3) bigger cargo space than Volkswagen Up (2017).
Volkswagen Up (2017) is 1000 kg (2,205 lbs) lighter than Mercedes GLK-Class (2014).