Tire specs
- Warranty
- 40,000 miles
- Load index
- 103
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 9.2/32"
- Item #
- 2554518EVO221018912
2011 Mercedes-Benz S550 4-Matic — 255/45R18
O.E. size · 255/45R18
2011 Mercedes-Benz S550 4-Matic
3 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 30,000 miles
- Load index
- 103
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2554518KUM2364793
Tire specs
- Load index
- 103
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2554518FAL28033786
What size tires does the 2011 Mercedes-Benz S550 4-Matic take?
The factory tire size for the 2011 Mercedes-Benz S550 4-Matic is 255/45R18.
The catalog lists it at load index 99, speed rating H (up to 130 mph).
This trim is also listed with 255/35R20, 255/35R20 front and 275/35R20 rear, 255/40R19. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 255/45R18 | 99 | H |
| All wheels | 255/35R20 | — | — |
| Front | 255/35R20 | — | — |
| Rear | 275/35R20 | — | — |
| All wheels | 255/40R19 | — | — |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.