Mercedes S-Class Coupe (2015) is 1292 mm (50.87 inch) longer, 213 mm (8.39 inch) wider, 25 mm (0.98 inch) higher and has 159 liters (5.62 ft3) bigger cargo space than MINI Roadster (2015).
MINI Roadster (2015) is 705 kg (1,554 lbs) lighter than Mercedes S-Class Coupe (2015).