FIAT 500X (2016) is 202 mm (7.95 inch) higher and 428 kg (944 lbs) lighter than Mercedes E-Class (2017).
Mercedes E-Class (2017) is 631 mm (24.84 inch) longer, 275 mm (10.83 inch) wider and has 190 liters (6.71 ft3) bigger cargo space than FIAT 500X (2016).