Mercedes-Benz AMG GT 63 S E Performance mileage varies, depending on the variant. The petrol-manual variant of AMG GT 63 S E Performance has a mileage of 0 kmpl. The petrol-automatic variant of AMG GT 63 S E Performance has a mileage of 12.65 kmpl. The diesel-manual variant of Mercedes-Benz AMG GT 63 S E Performance has a mileage of 0 kmpl. The diesel-automatic variant of Mercedes-Benz AMG GT 63 S E Performance has a mileage of 0kmpl. Note that the mileage figures are as per ARAI.