Mazda 3 (Sedan) (2017) is 31 mm (1.22 inch) higher, 557 kg (1,228 lbs) lighter and has 19 liters (0.67 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 365 mm (14.37 inch) longer and 101 mm (3.98 inch) wider than Mazda 3 (Sedan) (2017).