Mercedes-Benz S450 tire size
The most common factory tire size for the Mercedes-Benz S450 is 245/40R20 front, 275/35R20 rear, on 12 of the 12 year and trim fits listed. The table lists every year from 2018 to 2020 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Mercedes-Benz S450 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2020 | 245/40R20 front, 275/35R20 rearload index 99, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD |
| 245/45R19 front, 275/40R19 rearload index 102, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD | |
| 245/50R18load index 100, speed rating W | 4MATIC, Base, Sedan 4-Matic, Sedan RWD | |
| 2019 | 245/40R20 front, 275/35R20 rearload index 99, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD |
| 245/45R19 front, 275/40R19 rearload index 102, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD | |
| 245/50R18load index 100, speed rating W | 4MATIC, Base, Sedan 4-Matic, Sedan RWD | |
| 2018 | 245/40R20 front, 275/35R20 rearload index 99, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD |
| 245/45R19 front, 275/40R19 rearload index 102, speed rating Y | 4MATIC, Base, Sedan 4-Matic, Sedan RWD | |
| 245/50R18load index 100, speed rating W | 4MATIC, Base, Sedan 4-Matic, Sedan RWD |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.