Mercedes B-Class (2018) is 918 mm (36.14 inch) longer, 171 mm (6.73 inch) wider, 97 mm (3.82 inch) higher and has 306 liters (10.81 ft3) bigger cargo space than Peugeot 108 (2020).
Peugeot 108 (2020) is 555 kg (1,224 lbs) lighter than Mercedes B-Class (2018).