Mercedes M-Class (2014) is 281 mm (11.06 inch) higher, 210 kg (463 lbs) lighter and has 220 liters (7.77 ft3) bigger cargo space than Rolls-Royce Wraith (2014).
Rolls-Royce Wraith (2014) is 465 mm (18.31 inch) longer and 21 mm (0.83 inch) wider than Mercedes M-Class (2014).