FIAT Panda (2015) is 610 kg (1,345 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 (2015).