Mercedes S-Class (2015) is 209 mm (8.23 inch) longer and 155 kg (342 lbs) lighter than Tesla Model X (2016).
Tesla Model X (2016) is 100 mm (3.94 inch) wider, 194 mm (7.64 inch) higher and has 450 liters (15.89 ft3) bigger cargo space than Mercedes S-Class (2015).