Mercedes-Benz GLS450 Tire Pressure

Mercedes-Benz GLS450 models from 2017 to 2021 have recommended tire pressure of 35 psi to 47 psi based on model year, trim and original equipment tire size.

Mercedes-Benz GLS450 is a crossover offered in 1 trim and equipped with 3 original equipment tire size sets. You can find recommended tire pressure for Mercedes-Benz GLS450 by model year, model trim or its original equipment tire size. Keep Mercedes-Benz GLS450 tires properly inflated at all times to enjoy a safe and comfortable drive.

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Select Mercedes-Benz GLS450 year to see its original equipment tire sizes and corresponding tire inflation pressures.

2021 Mercedes-Benz GLS450 Tire Pressure

Recommended tire pressure for 2021 Mercedes-Benz GLS450 is psi for front tires and psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 275/45R21 107H
R: 315/40R21 111H
-- psi -- psi
275/50R20 109H -- psi -- psi
275/55R19 111V -- psi -- psi

2020 Mercedes-Benz GLS450 Tire Pressure

Recommended tire pressure for 2020 Mercedes-Benz GLS450 is 35 psi to 41 psi for front tires and 43 psi to 44 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 275/45R21 107H
R: 315/40R21 111H
35 psi 43 psi
275/50R20 109H 41 psi 44 psi
275/55R19 111V 41 psi 44 psi

2019 Mercedes-Benz GLS450 Tire Pressure

Recommended tire pressure for 2019 Mercedes-Benz GLS450 is 44 psi for front tires and 47 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
275/50R20 109H 44 psi 47 psi
275/55R19 111H 44 psi 47 psi

2018 Mercedes-Benz GLS450 Tire Pressure

Recommended tire pressure for 2018 Mercedes-Benz GLS450 is 44 psi for front tires and 47 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
275/50R20 109H 44 psi 47 psi
275/55R19 111H 44 psi 47 psi

2017 Mercedes-Benz GLS450 Tire Pressure

Recommended tire pressure for 2017 Mercedes-Benz GLS450 is 44 psi for front tires and 47 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
275/50R20 109H 44 psi 47 psi
275/55R19 111H 44 psi 47 psi

Select Mercedes-Benz GLS450 trim to see its original equipment tire sizes and corresponding tire inflation pressures.

Tire Pressure for Mercedes-Benz GLS450 4Matic

Recommended tire inflation for Mercedes-Benz GLS450 4Matic is 35 psi to 44 psi for front tires and 43 psi to 47 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 275/45R21 107H
R: 315/40R21 111H
35 psi 43 psi
275/50R20 109H 44 psi 47 psi
275/55R19 111H 44 psi 47 psi

Recommended tire inflation for Mercedes-Benz GLS450 original equipment tire sizes with matching trims and model years.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 275/45R21 107H
R: 315/40R21 111H
35 psi 43 psi
Years: 2020 - 2021
Trims: 4Matic
275/50R20 109H 44 psi 47 psi
Years: 2017 - 2021
Trims: 4Matic
275/55R19 111H 44 psi 47 psi
Years: 2017 - 2021
Trims: 4Matic

What is the correct tire pressure for Mercedes-Benz GLS450?

Recommended tire pressure for Mercedes-Benz GLS450 tires is 35 psi to 47 psi, set by Mercedes-Benz manufacturer and based on model's original equipment tire size to optimize vehicle performance, fuel efficiency and safety.

Where do I find the recommended tire pressure for Mercedes-Benz GLS450?

Mercedes-Benz GLS450 recommended tire pressure can be found in owner's manual, on a tire placard on the side of driver's door or door jam, on the trunk lid, in the console or on the fuel door. Tire inflation will be listed in psi (pounds per square inch), bar or kPa (kilopascals).

How to check Mercedes-Benz GLS450 tire pressure?

To check Mercedes-Benz GLS450 tire pressure you will first need to determine its recommended tire pressure for the front and rear tires. Take off tire valve caps and use a tire pressure gauge to check tire inflation in every tire. Adjust Mercedes-Benz GLS450 tire pressure to its recommended levels. If overinflated, let some air out by pressing down the center plunger in the valve stem. If underinflated, add air with tire inflator. Recheck tire pressure to make sure all tires are properly inflated. Replace the valve stem caps. Make sure to check tire pressure when tires are "cold" and have not been driven for at least 3 hours. Remember that the front and rear tire pressures may differ.

What is proper tire pressure for Mercedes-Benz GLS450 replacement tires?

If you replace Mercedes-Benz GLS450 original equipment tires with non-stock tires that have different size or load capacity, new tires may require substantially different inflation pressures. Use our Replacement Tire Pressure Calculator to find proper tire inflation when switching to a different tire size.

What is optimal winter tire pressure for Mercedes-Benz GLS450?

Tire pressure fluctuates with ambient temperatures. When temperatures drop, Mercedes-Benz GLS450 tires may lose approximately 1 psi of air pressure for every 10 degree Fahrenheit decrease. During winter Mercedes-Benz GLS450 tires can be inflated 3 to 5 psi above the recommended tire pressure settings to compensate for lower temperatures. Do not overinflate above the maximum tire inflation pressure value indicated on tire sidewall. Make sure to check tire pressure regularly in the winter to keep tires properly inflated for a safe ride on snow and icy roads.

Is my Mercedes-Benz GLS450 equipped with Tire Pressure Monitoring System (TPMS)?

If your Mercedes-Benz GLS450 is built after 2007, it is most likely equipped with a Tire Pressure Monitoring System. Check owner's manual to see if your model has TPMS.

Why is my Mercedes-Benz GLS450 TPMS warning light on?

If Mercedes-Benz GLS450 TPMS warning light comes on and stays on, it means at least one of the tires is underinflated. If TPMS warning light goes on and off, fluctuating ambient temperatures may be the reason. If Mercedes-Benz GLS450 TPMS warning light flashes for 90 seconds when you start the vehicle and then remains illuminated, the TPMS is not functioning properly and you should have it serviced.

How to reset Mercedes-Benz GLS450 Tire Pressure Monitoring System?

To reset TPMS on Mercedes-Benz GLS450, follow the instructions in owner's manual. If TPMS will not reset, there may be a problem with tire pressure sensors.

All listed data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall.