Front: 275/45R21 110W XL BW
Rear: 315/40R21 111H BW
Tire specs
- Load index
- 110
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2754521PIR2809600
2026 Mercedes-Benz GLS450 4MATIC w/AMG Line — 275/45R21
2026 Mercedes-Benz GLS450 4MATIC w/AMG Line
- Factory size
- 275/45R21 / 315/40R21
- Load / speed
- 107H / 111H
Front: 275/45R21Rear: 315/40R21
2 front + 2 rear
Front: 275/45R21Rear: 315/40R21
15 tire results
Factory-size matches for your vehicle2 front + 2 rearFront: 275/45R21 110H XL BW
Rear: 315/40R21 111H BW
Tire specs
- Load index
- 110
- Speed rating
- H (130 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2754521PIR3987600
Front: 275/45R21 110W XL BW
Rear: 315/40R21 111H BW
Tire specs
- Load index
- 110
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2754521PIR3976200
What size tires does the 2026 Mercedes-Benz GLS450 4MATIC w/AMG Line take?
The factory tire sizes for the 2026 Mercedes-Benz GLS450 4MATIC w/AMG Line are 275/45R21 in front and 315/40R21 in the rear.
The catalog lists the front at load index 107, speed rating H (up to 130 mph) and the rear at load index 111, speed rating H (up to 130 mph).
This trim is also listed with 285/45R22 front and 325/40R22 rear, 285/40R23 front and 325/35R23 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 275/45R21 | 107 | H |
| Rear | 315/40R21 | 111 | H |
| Front | 285/45R22 | 114 | Y |
| Rear | 325/40R22 | 114 | Y |
| Front | 285/40R23 | 107 | Y |
| Rear | 325/35R23 | 111 | 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.