Tire specs
- Load index
- 104
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Item #
- 2455018PIR3378300
2018 Mercedes-Benz S450 Base — 245/50R18
2018 Mercedes-Benz S450 Base
- Factory size
- 245/50R18
- Load / speed
- 100W
15 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 65,000 miles
- Load index
- 104
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Run-flat
- Yes
- Item #
- 2455018BRI013338
Tire specs
- Warranty
- 55,000 miles
- Load index
- 100
- Speed rating
- H (130 mph)
- Load range
- Standard load (SL)
- Tread depth
- 10/32"
- Run-flat
- Yes
- Item #
- 2455018CON03575570000
What size tires does the 2018 Mercedes-Benz S450 Base take?
The factory tire size for the 2018 Mercedes-Benz S450 Base is 245/50R18.
The catalog lists it at load index 100, speed rating W (up to 168 mph).
This trim is also listed with 245/45R19 front and 275/40R19 rear, 245/40R20 front and 275/35R20 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 245/50R18 | 100 | W |
| Front | 245/45R19 | 102 | Y |
| Rear | 275/40R19 | 101 | Y |
| Front | 245/40R20 | 99 | Y |
| Rear | 275/35R20 | 102 | Y |
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.