Mercedes S-Class (2017) is 876 mm (34.49 inch) longer, 116 mm (4.57 inch) wider, 70 mm (2.76 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Volvo V40 (2017).
Volvo V40 (2017) is 180 kg (397 lbs) lighter than Mercedes S-Class (2017).