Mercedes-Benz CLA45s AMG tire size
The most common factory tire size for the Mercedes-Benz CLA45s AMG is 245/40R18, on 3 of the 3 year and trim fits listed. The table lists every year from 2024 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Mercedes-Benz CLA45s AMG tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2026 | 245/40R18load index 97, speed rating Y | 4MATIC |
| 255/35R19load index 96, speed rating Y | 4MATIC | |
| 2025 | 245/40R18load index 97, speed rating Y | 4MATIC |
| 255/35R19load index 96, speed rating Y | 4MATIC | |
| 2024 | 245/40R18load index 97, speed rating Y | 4MATIC |
| 255/35R19load index 96, speed rating Y | 4MATIC |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.