Mercedes B-Class (2017) is 115 mm (4.53 inch) higher, 50 kg (110 lbs) lighter and has 6 liters (0.21 ft3) bigger cargo space than Mercedes C-Class (2018).
Mercedes C-Class (2018) is 293 mm (11.54 inch) longer and 24 mm (0.94 inch) wider than Mercedes B-Class (2017).
Size difference at a glance
Mercedes B-Class (2017) is 6.3% shorter than Mercedes C-Class (2018).
Mercedes B-Class (2017) is 1.3% narrower than Mercedes C-Class (2018).
Mercedes B-Class (2017) is 8% taller than Mercedes C-Class (2018).
Mercedes B-Class (2017) is 3.5% lighter than Mercedes C-Class (2018).
Mercedes B-Class (2017) is 1.3% larger in cargo space than Mercedes C-Class (2018).
Overall footprint
Mercedes C-Class (2018) has a 7.5% smaller overall footprint (length × width).
