Citroen DS5 (2017) is 111 mm (4.37 inch) longer, 75 mm (2.95 inch) wider, 121 kg (267 lbs) lighter and has 60 liters (2.12 ft3) bigger cargo space than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 57 mm (2.24 inch) higher than Citroen DS5 (2017).