Carbike360 comprehensive Mercedes-Benz S-Class S 350d and Audi e-tron GT S comparison based on the price, specification, fuel efficiency, features and more. Mercedes-Benz S-Class S 350d comes with a price of ₹1.79 Cr and Audi e-tron GT S is priced at ₹1.72 Cr. Mercedes-Benz S-Class S 350d equipped with 2925 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Audi e-tron GT S has Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable