Citroen C4 (2017) is 72 mm (2.83 inch) higher and 495 kg (1,091 lbs) lighter than Mercedes CLS-Class (2018).
Mercedes CLS-Class (2018) is 611 mm (24.06 inch) longer, 93 mm (3.66 inch) wider and has 112 liters (3.96 ft3) bigger cargo space than Citroen C4 (2017).