Lexus IS (2017) is 13 mm (0.51 inch) higher and 120 kg (265 lbs) lighter than Mercedes CLS-Class (2017).
Mercedes CLS-Class (2017) is 274 mm (10.79 inch) longer, 71 mm (2.80 inch) wider and has 129 liters (4.56 ft3) bigger cargo space than Lexus IS (2017).