FIAT Panda (2018) is 575 kg (1,268 lbs) lighter than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 766 mm (30.16 inch) longer, 153 mm (6.02 inch) wider, 11 mm (0.43 inch) higher and has 180 liters (6.36 ft3) bigger cargo space than FIAT Panda (2018).