Mazda CX-5 (2015) is 161 mm (6.34 inch) longer, 53 mm (2.09 inch) wider, 152 mm (5.98 inch) higher and has 388 liters (13.70 ft3) bigger cargo space than Mercedes B-Class (2018).
Mercedes B-Class (2018) is 136 kg (300 lbs) lighter than Mazda CX-5 (2015).