Chevrolet Volt (2017) is 429 kg (946 lbs) lighter than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 306 mm (12.05 inch) longer, 138 mm (5.43 inch) wider, 350 mm (13.78 inch) higher and has 390 liters (13.77 ft3) bigger cargo space than Chevrolet Volt (2017).