Mercedes E-Class (2016) is 151 mm (5.94 inch) wider and 335 kg (739 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 461 mm (18.15 inch) longer, 421 mm (16.57 inch) higher and has 620 liters (21.89 ft3) bigger cargo space than Mercedes E-Class (2016).