Mercedes B-Class (2017) is 5 mm (0.20 inch) wider and 45 kg (99 lbs) lighter than Subaru Crosstrek (2015).
Subaru Crosstrek (2015) is 57 mm (2.24 inch) longer, 58 mm (2.28 inch) higher and has 145 liters (5.12 ft3) bigger cargo space than Mercedes B-Class (2017).