Mercedes S-Class (2014) is 254 mm (10.00 inch) longer, 68 mm (2.68 inch) wider, 55 mm (2.17 inch) higher and has 20 liters (0.71 ft3) bigger cargo space than Volvo S80 (2017).
Volvo S80 (2017) is 458 kg (1,010 lbs) lighter than Mercedes S-Class (2014).