BMW 5 Series (2017) is 257 mm (10.12 inch) longer, 57 mm (2.24 inch) wider, 57 mm (2.24 inch) higher and has 89 liters (3.14 ft3) bigger cargo space than Mercedes C-Class (2019).
Mercedes C-Class (2019) is 270 kg (595 lbs) lighter than BMW 5 Series (2017).