Kia Pro Ceed (2017) is 136 mm (5.35 inch) wider and 944 kg (2,081 lbs) lighter than Mercedes S-Class (2015).
Mercedes S-Class (2015) is 935 mm (36.81 inch) longer, 20 mm (0.79 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Kia Pro Ceed (2017).