Citroen C5 (2017) is 187 mm (7.36 inch) longer, 90 mm (3.54 inch) wider, 28 mm (1.10 inch) higher and has 108 liters (3.81 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 15 kg (33 lbs) lighter than Citroen C5 (2017).