Mercedes S-Class (2017) is 875 mm (34.45 inch) longer, 97 mm (3.82 inch) wider, 51 mm (2.01 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Volvo V40 (2020).
Volvo V40 (2020) is 647 kg (1,426 lbs) lighter than Mercedes S-Class (2017).