BMW 5 Series (2015) is 49 mm (1.93 inch) higher, 110 kg (243 lbs) lighter and has 160 liters (5.65 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 119 mm (4.69 inch) longer and 38 mm (1.50 inch) wider than BMW 5 Series (2015).