Mercedes E-Class (2017) is 84 mm (3.31 inch) wider, 767 kg (1,691 lbs) lighter and has 226 liters (7.98 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 733 mm (28.86 inch) longer and 200 mm (7.87 inch) higher than Mercedes E-Class (2017).