FIAT 500L (2015) is 13 mm (0.51 inch) longer, 362 mm (14.25 inch) higher, 135 kg (298 lbs) lighter and has 77 liters (2.72 ft3) bigger cargo space than Mercedes SLK-Class (2020).
Mercedes SLK-Class (2020) is 33 mm (1.30 inch) wider than FIAT 500L (2015).