What is the mileage of Mercedes-Benz E-Class 2017-2021?

Mercedes-Benz E-Class offered with both petrol and diesel motor options. Diesel version of Mercedes-Benz E-Class gives the mileage of 13.0 kmpl while Mercedes-Benz E-Class Petrol gives the mileage of 12.0 kmpl (both figure are for highway driving).