Ford Mustang (2014) is 17 mm (0.67 inch) wider and 333 kg (734 lbs) lighter than Mercedes S-Class (2015).
Mercedes S-Class (2015) is 461 mm (18.15 inch) longer, 96 mm (3.78 inch) higher and has 176 liters (6.22 ft3) bigger cargo space than Ford Mustang (2014).