Mercedes S-Class Coupe (2016) is 699 kg (1,541 lbs) lighter than Rolls-Royce Phantom (2017).
Rolls-Royce Phantom (2017) is 816 mm (32.13 inch) longer, 93 mm (3.66 inch) wider, 224 mm (8.82 inch) higher and has 53 liters (1.87 ft3) bigger cargo space than Mercedes S-Class Coupe (2016).