FIAT 500L Trekking (2020) is 60 mm (2.36 inch) longer, 236 mm (9.29 inch) higher, 5 kg (11 lbs) lighter and has 71 liters (2.51 ft3) bigger cargo space than Mercedes A-Class (2015).
Mercedes A-Class (2015) is 7 mm (0.28 inch) wider than FIAT 500L Trekking (2020).