Carbike360 comprehensive Mercedes-Benz AMG A45 S 4Matic Plus and Tata Harrier Smart comparison based on the price, specification, fuel efficiency, features and more. Mercedes-Benz AMG A45 S 4Matic Plus comes with a price of ₹94.80 Lakh and Tata Harrier Smart is priced at ₹15.00 Lakh. Mercedes-Benz AMG A45 S 4Matic Plus equipped with 1991 cc, 4 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Tata Harrier Smart has1956 cc, 4 Cylinders Inline, 4 Valves/Cylinder, DOHC.