Citroen DS5 (2014) is 61 mm (2.40 inch) wider and 71 mm (2.80 inch) higher than Mercedes C-Class (2017).
Mercedes C-Class (2017) is 156 mm (6.14 inch) longer, 125 kg (276 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Citroen DS5 (2014).