Mazda 3 (Sedan) (2014) is 13 mm (0.51 inch) higher and 145 kg (320 lbs) lighter than Mercedes C-Class (2016).
Mercedes C-Class (2016) is 107 mm (4.21 inch) longer, 14 mm (0.55 inch) wider and has 61 liters (2.15 ft3) bigger cargo space than Mazda 3 (Sedan) (2014).