Mercedes C-Class (2015) is 101 mm (3.98 inch) longer, 91 mm (3.58 inch) higher, 900 kg (1,984 lbs) lighter and has 337 liters (11.90 ft3) bigger cargo space than Polestar 1 (2017).
Polestar 1 (2017) is 148 mm (5.83 inch) wider than Mercedes C-Class (2015).