Chrysler 300 (2014) is 651 mm (25.63 inch) longer and 119 mm (4.69 inch) wider than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 71 mm (2.80 inch) higher, 422 kg (930 lbs) lighter and has 24 liters (0.85 ft3) bigger cargo space than Chrysler 300 (2014).