315/45 R21 tires: vehicles that use this size
315/45 R21 is a factory or optional tire size on 2 models.
| Vehicle | Years | Fitment |
|---|---|---|
| Mercedes Benz GLS63 AMG | 2024 | Factory · rear |
| Mercedes Benz S63 | 2022–2023 | Factory · rear |
How to read 315/45 R21
- 315
- Tread width in millimetres
- 45
- Sidewall height, % of width
- R
- Radial construction
- 21
- Wheel diameter in inches
Overall diameter: about 32.2" · Sidewall: 142 mm