Mercedes B-Class (2018) is 70 mm (2.76 inch) higher and 180 kg (397 lbs) lighter than Peugeot 508 SW (2014).
Peugeot 508 SW (2014) is 437 mm (17.20 inch) longer, 42 mm (1.65 inch) wider and has 44 liters (1.55 ft3) bigger cargo space than Mercedes B-Class (2018).