Carbike360 comprehensive Mercedes-Benz S-Class S 350d and BMW M5 Competition 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 BMW M5 Competition is priced at ₹1.99 Cr. Mercedes-Benz S-Class S 350d equipped with 2925 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas BMW M5 Competition has4395 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC