Ferrari FF (2017) is 236 mm (9.29 inch) longer and 170 mm (6.69 inch) wider than Mercedes C-Class (2018).
Mercedes C-Class (2018) is 59 mm (2.32 inch) higher, 475 kg (1,047 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Ferrari FF (2017).