Mercedes-Benz S-Class AMG W221
2006–2013 2 trimsS-Class AMG S 63 518 hp · 6.2L V8 255/45R18 99Y / 255/45R18 99Y 6 fitments
- Generation
- W221 · 2006–2013
- Power
- 518 hp
- Engine
- 6.2L V8, Petrol
- Center bore
- 66.6 mm
- Bolt pattern
- 5x112
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| Front255/45R18 99Y | Rim 18x8.5 ET44 | 35 psi |
| Rear255/45R18 99Y | Rim 18x9 ET44 | 38 psi |
| Front255/40R19 96Y | Rim 19x8.5 ET43 | 35 psi |
| Rear275/40R19 101Y | Rim 19x9.5 ET43 | 38 psi |
| 255/45R18 99Y | Rim 18x8.5 ET44 | 35 psi |
| 255/45R18 99H | Rim 18x8.5 ET44 | 35 psi |
| 255/40R19 96H | Rim 19x8.5 ET43 | 35 psi |
| 255/40R19 96Y | Rim 19x8.5 ET43 | 35 psi |
How to read 99Y: 99 is the load index (up to 1,709 lb / 775 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.
S-Class AMG S 65 603 hp · 6.0L V12 255/40R19 100Y / 255/40R19 101Y 6 fitments
- Generation
- W221 · 2006–2013
- Power
- 603 hp
- Engine
- 6.0L V12, Petrol
- Center bore
- 66.6 mm
- Bolt pattern
- 5x112
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| Front255/40R19 100Y | Rim 19x8.5 ET43 | 35 psi |
| Rear255/40R19 101Y | Rim 19x9.5 ET43 | 38 psi |
| Front255/40R19 100Y | Rim 19x8.5 ET43 | 35 psi |
| Rear275/40R19 101Y | Rim 19x9.5 ET43 | 38 psi |
| Front255/35R20 99Y | Rim 20x8.5 ET43 | 39 psi |
| Rear275/35R20 101Y | Rim 20x9.5 ET43 | 42 psi |
| 255/40R19 100Y | Rim 19x8.5 ET43 | 35 psi |
| 255/40R19 100V | Rim 19x8.5 ET43 | 35 psi |
| 255/35R20 99Y | Rim 20x8.5 ET43 | 39 psi |
How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.