Cadillac SRX (2014) is 458 mm (18.03 inch) longer, 124 mm (4.88 inch) wider, 110 mm (4.33 inch) higher and has 51 liters (1.80 ft3) bigger cargo space than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 534 kg (1,177 lbs) lighter than Cadillac SRX (2014).