Mazda 3 (Sedan) (2015) is 13 mm (0.51 inch) higher and 130 kg (287 lbs) lighter than Mercedes C-Class (2014).
Mercedes C-Class (2014) is 106 mm (4.17 inch) longer, 14 mm (0.55 inch) wider and has 61 liters (2.15 ft3) bigger cargo space than Mazda 3 (Sedan) (2015).