Mercedes E-Class (2017) is 462 mm (18.19 inch) longer, 267 mm (10.51 inch) wider and has 119 liters (4.20 ft3) bigger cargo space than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 96 mm (3.78 inch) higher and 428 kg (944 lbs) lighter than Mercedes E-Class (2017).