Mercedes S-Class (2017) is 876 mm (34.49 inch) longer, 70 mm (2.76 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Volvo V40 (2015).
Volvo V40 (2015) is 142 mm (5.59 inch) wider and 743 kg (1,638 lbs) lighter than Mercedes S-Class (2017).