Not sure what rimDiameter size options are for your 2026 Mercedes-Benz GLS-Class GLS450 4Matic?
Choose from the options below.
Version/Option
Tire Size
Version/Option
Tire Size
275/45R21
Front: 275/45R21, Rear: 315/40R21
Version/Option
Tire Size
315/40R21
Version/Option
Tire Size
275/45R21
Version/Option
Tire Size
Front: 275/45R21, Rear: 315/40R21
Version/Option
Tire Size
315/40R21
Find your version / option
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb