BMW 5 Series (2016) is 103 mm (4.06 inch) longer and 310 kg (683 lbs) lighter than Mercedes M-Class (2014).
Mercedes M-Class (2014) is 67 mm (2.64 inch) wider, 325 mm (12.80 inch) higher and has 130 liters (4.59 ft3) bigger cargo space than BMW 5 Series (2016).