Mercedes E-Class (2018) is 81 mm (3.19 inch) wider, 806 kg (1,777 lbs) lighter and has 81 liters (2.86 ft3) bigger cargo space than Rolls-Royce Phantom (2016).
Rolls-Royce Phantom (2016) is 963 mm (37.91 inch) longer and 240 mm (9.45 inch) higher than Mercedes E-Class (2018).