BMW 5 Series (2017) is 64 mm (2.52 inch) longer, 101 mm (3.98 inch) higher, 108 kg (238 lbs) lighter and has 29 liters (1.02 ft3) bigger cargo space than Mercedes E-Class (2017).
Mercedes E-Class (2017) is 204 mm (8.03 inch) wider than BMW 5 Series (2017).