Mercedes A-Class (2015) is 19 mm (0.75 inch) higher and 555 kg (1,224 lbs) lighter than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 734 mm (28.90 inch) longer, 117 mm (4.61 inch) wider and has 59 liters (2.08 ft3) bigger cargo space than Mercedes A-Class (2015).