Mercedes C-Class (Coupe) (2017) is 952 mm (37.48 inch) longer, 126 mm (4.96 inch) wider, 20 mm (0.79 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than MINI Roadster (2014).
MINI Roadster (2014) is 305 kg (672 lbs) lighter than Mercedes C-Class (Coupe) (2017).