FIAT 500X (2017) is 118 mm (4.65 inch) higher and 795 kg (1,753 lbs) lighter than Mercedes S-Class (2018).
Mercedes S-Class (2018) is 972 mm (38.27 inch) longer, 103 mm (4.06 inch) wider and has 150 liters (5.30 ft3) bigger cargo space than FIAT 500X (2017).