Mercedes-Benz S400 tire size
The most common factory tire size for the Mercedes-Benz S400 is 255/40R19 front, 275/40R19 rear, on 7 of the 8 year and trim fits listed. The table lists every year from 2010 to 2013 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Mercedes-Benz S400 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2013 | 255/40R19 front, 275/40R19 rear | Hybrid, Hybrid w/Sport Pkg. |
| 255/35R20 front, 275/35R20 rear | Hybrid | |
| 255/45R18load index 99, speed rating Y | Hybrid | |
| 2012 | 255/35R20 front, 275/35R20 rear | Hybrid |
| 255/40R19 front, 275/40R19 rear | Hybrid | |
| 255/45R18load index 99, speed rating Y | Hybrid | |
| 2011 | 255/40R19 front, 275/40R19 rear | Hybrid, Hybrid w/Sport Pkg. |
| 255/35R20 front, 275/35R20 rear | Hybrid | |
| 255/45R18load index 99, speed rating Y | Hybrid | |
| 2010 | 255/40R19 front, 275/40R19 rear | Base, Hybrid w/Sport Pkg. |
| 255/45R18 | Base, Hybrid | |
| 255/35R20 front, 275/35R20 rear | Base |
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.