Mazda 3 (Sedan) (2017) is 3 mm (0.12 inch) higher and 52 kg (115 lbs) lighter than Mercedes C-Class (2020).
Mercedes C-Class (2020) is 25 mm (0.98 inch) longer, 14 mm (0.55 inch) wider and has 61 liters (2.15 ft3) bigger cargo space than Mazda 3 (Sedan) (2017).