Mercedes GLA-Class (2015) is 80 mm (3.15 inch) higher, 555 kg (1,224 lbs) lighter and has 21 liters (0.74 ft3) bigger cargo space than Mercedes S-Class Coupe (2016).
Mercedes S-Class Coupe (2016) is 609 mm (23.98 inch) longer and 93 mm (3.66 inch) wider than Mercedes GLA-Class (2015).