Mazda CX-30 (2020) is 131 mm (5.16 inch) higher, 170 kg (375 lbs) lighter and has 519 liters (18.33 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 291 mm (11.46 inch) longer and 15 mm (0.59 inch) wider than Mazda CX-30 (2020).