Mercedes-Benz S400 tire pressures recommendations and sizes
| Tire Size | Position | Pressure (Psi) |
|---|---|---|
| 255/45R18 99H | Front | 30 |
| 255/45R18 99H | Rear | 30 |
| 255/35ZR20/XL | Front | 38 |
| 275/35ZR20/XL | Rear | 41 |
| 255/40R19/RF 100V | Front | 35 |
| 275/40R19 101V | Rear | 35 |
| 255/45R18 99Y | Front | 30 |
| 255/45R18 99Y | Rear | 30 |
| 255/40R19/RF 100Y | Front | 35 |
| 275/40R19 101Y | Rear | 35 |
| 255/40R19/XL 100Y | Front | 35 |
| 275/40R19 101Y | Rear | 35 |
| 255/40R19/XL 100V | Front | 35 |
| 275/40R19 101V | Rear | 35 |
Legal Mentions
The load and/or speed ratings displayed may differ slightly from the original size specified on the vehicle label. As a qualified professional, your tire dealer will be able to advise you in :
1. Informing you if the load and/or speed rating of the replacement tires is different from the original tires.
2. Determining whether the tire pressure should be adjusted for the proposed alternative size
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