2025 Mercedes-Benz SL63 AMG 4MATIC — 275/35R21
O.E. size · 275/35R21 / 305/30R21
2025 Mercedes-Benz SL63 AMG 4MATIC
Front: 275/35R21Rear: 305/30R21
2 front + 2 rear
Front: 275/35R21Rear: 305/30R21
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Factory-size matches for your vehicle2 front + 2 rearNo tires are priced for this selected size and service class.
Choose yours for its prices, shelf stock and open times.
What size tires does the 2025 Mercedes-Benz SL63 AMG 4MATIC take?
The factory tire sizes for the 2025 Mercedes-Benz SL63 AMG 4MATIC are 275/35R21 in front and 305/30R21 in the rear.
The catalog lists the front at load index 103, speed rating Y (up to 186 mph) and the rear at load index 104, speed rating Y (up to 186 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 275/35R21 | 103 | Y |
| Rear | 305/30R21 | 104 | 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.