FIAT 500 (2016) is 45 mm (1.77 inch) higher and 940 kg (2,072 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 1329 mm (52.32 inch) longer, 227 mm (8.94 inch) wider and has 355 liters (12.54 ft3) bigger cargo space than FIAT 500 (2016).