Mercedes GLS450 Tyre Size, Wheel Specs, Centre Bore & Torque Guide
Overview
The Mercedes-Benz GLS450 is a full-size luxury SUV designed for comfort, performance, and versatility. With multiple factory wheel and tyre configurations available depending on trim and option packages, choosing the correct setup is critical for safety, ride quality, and performance.
This guide covers all factory tyre sizes, wheel specifications, centre bore, and torque settings for the Mercedes GLS450.
Factory Tyre Sizes (All Variants)
Standard & Optional Tyre Configurations
20 Inch Setup (Base Models)
-
275/50R20 (Front & Rear)
21 Inch Setup
-
Front: 275/45R21
- Rear: 315/40R21
22 Inch AMG Line / Optional Upgrade
-
Front: 285/45R22
-
Rear: 325/40R22 (Staggered Setup)
23 Inch (Rare / AMG Styling Package)
-
Front: 285/40R23
-
Rear: 325/35R23
Factory Wheel (Rim) Specifications
| Wheel Size | Width | Offset (ET) | PCD | Notes |
|---|---|---|---|---|
| 20x8.5 | 8.5J | ET35–62.5 | 5x112 | Standard |
|
21x10.0 21x11.0 |
10.0J 11.0 |
ET44-62.5 ET42-55 |
5x112
|
Standard Optional rear |
| 22x9.5 | 9.5J | ET45 | 5x112 | Front |
| 22x11 | 11J | ET47 | 5x112 | Rear |
| 23x9.5 | 9.5J | ET45 | 5x112 | Front |
| 23x11.5 | 11.5J | ET47 | 5x112 | Rear |
Centre Bore
-
Centre Bore: 66.6 mm
-
Mercedes-Benz uses a hub-centric design
-
Always ensure wheels are 66.6 mm or use hub rings for aftermarket fitment
Wheel Bolt Pattern (PCD)
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PCD: 5x112
-
Bolt Type: M14x1.5
-
Seat Type: Ball Seat (OEM)
Wheel Nut / Bolt Torque Specification
-
Torque Setting: 150 Nm
-
Always torque using a calibrated torque wrench
-
Recheck torque after 50–100 km of driving
Recommended Tyre Options (Australia Conditions)
For Comfort & Daily Driving
-
Continental PremiumContact 6 / UC7
-
Michelin Primacy SUV+
-
Pirelli Scorpion Verde
For Performance & Grip
-
Michelin Pilot Sport 4 SUV
-
Continental SportContact 6
-
Pirelli P Zero
For All-Season / Touring
-
Bridgestone Alenza
-
Goodyear Eagle F1 Asymmetric SUV
Important Fitment Notes
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Staggered setups (22” & 23”) cannot be rotated front to rear
-
Always match load rating (XL required) for GLS weight
-
Ensure speed rating ≥ factory spec (usually Y-rated)
-
Air suspension models benefit from correct rolling diameter matching
-
Avoid mixing different tyre brands/patterns on AWD (4MATIC)
Autosport Tyreworld – Adelaide Tyre Experts
Looking to replace tyres or upgrade your GLS450 wheels? Visit us:
1. Magill (Head Store)
647 Magill Road, Magill SA 5072
PH: 0452 641 023
2. Wingfield
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411
3. Clarence Gardens
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911