Lexus LS (2015) is 521 mm (20.51 inch) longer, 65 mm (2.56 inch) wider, 39 mm (1.54 inch) higher and has 29 liters (1.02 ft3) bigger cargo space than Mercedes C-Class (2014).
Mercedes C-Class (2014) is 685 kg (1,510 lbs) lighter than Lexus LS (2015).