Carbike360 comprehensive Mercedes-Benz GLS 450 4MATIC and Mercedes-Benz AMG GT 63 S E Performance Limousine comparison based on the price, specification, fuel efficiency, features and more. Mercedes-Benz GLS 450 4MATIC comes with a price of ₹1.34 Cr and Mercedes-Benz AMG GT 63 S E Performance Limousine is priced at ₹3.30 Cr. Mercedes-Benz GLS 450 4MATIC equipped with 2999 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Mercedes-Benz AMG GT 63 S E Performance Limousine has3982 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC