What is the tyre size of Mercedes-Benz S-Class 2012-2021?

Mercedes-Benz S-Class 2012-2021 is available in 8 tyre sizes - 235/55 R17, 275/40 R18,245/45 R18, 245/45 R19, 245/45 R19,275/40 R19, 245/50 R18, F: 245/45 R: 275/40 R19, 255/45 R19 and 275/45 R19,245/40 R19 .