FIAT 500X (2016) is 110 mm (4.33 inch) higher and 750 kg (1,653 lbs) lighter than Mercedes S-Class (2016).
Mercedes S-Class (2016) is 997 mm (39.25 inch) longer, 103 mm (4.06 inch) wider and has 150 liters (5.30 ft3) bigger cargo space than FIAT 500X (2016).