2021 Mercedes-Benz GLE Tire Pressure
OEM cold pressure spec — verified for the 2020–2024 generation.
Always verify against the sticker inside your driver's door — different trims, option packages, or a spare tire may have different specifications.
2021 Mercedes-Benz GLE tire size: 265/45R21
The factory (base-trim) tire size for the 2021 Mercedes-Benz GLE is 265/45R21. Here is what that size measures out to in the real world — useful when comparing replacement tires or checking whether a different size will fit.
- Overall diameter
- 30.39"
- 772 mm
- Sidewall height
- 4.69"
- 119.3 mm
- Circumference
- 95.47"
- rolling
- Revs / mile
- 664
- approx.
Staying within ±3% of the 30.39" overall diameter keeps your speedometer accurate. A larger diameter reads slower than your true speed; a smaller one reads faster.
Tune for your load & driving style
- Front (cold)
- 25.9 PSI(1.78 bar)
- Rear (cold)
- 22.9 PSI(1.58 bar)
- Front (hot est.)
- 28.5 PSI
- Rear (hot est.)
- 25.2 PSI
Street setting: balanced for comfort, wear, and fuel economy. Always measure cold.
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2021 Mercedes-Benz GLE
- What is the recommended tire pressure for a 2021 Mercedes-Benz GLE?
- The 2021 Mercedes-Benz GLE uses 36 PSI cold on the front axle and 39 PSI cold on the rear axle. These are the OEM specifications. Always measure tire pressure when the tires are cold — before driving or after sitting for at least 3 hours.
- What tire size does the 2021 Mercedes-Benz GLE use?
- The standard (base trim) tire size for the 2021 Mercedes-Benz GLE is 265/45R21. Higher trim levels and optional packages may use a different size — check the sticker inside your driver's door for the exact specification for your vehicle.
- How do I convert the 2021 Mercedes-Benz GLE tire pressure to bar?
- 36 PSI = 2.5 bar (front) and 39 PSI = 2.7 bar (rear). In kPa: 248 kPa front and 269 kPa rear. Multiply PSI × 0.0689 to convert to bar.
- Why are the front and rear tire pressures different on the 2021 Mercedes-Benz GLE?
- The 2021 Mercedes-Benz GLE uses 36 PSI front and 39 PSI rear because the two axles carry different loads. The front axle carries roughly 53% of the vehicle's 2165 kg curb weight, requiring a slightly different pressure to maintain the correct contact patch at each corner.
- What happens if the 2021 Mercedes-Benz GLE tires are underinflated?
- Running 5+ PSI low on the Mercedes-Benz GLE causes uneven shoulder wear, increased rolling resistance (worse fuel economy), higher tire operating temperature, and reduced wet braking performance. In extreme cases, chronic underinflation can cause sidewall failure. Check pressure monthly and always after a large temperature swing.
- What do the numbers in 265/45R21 mean on the 2021 Mercedes-Benz GLE?
- On the 2021 Mercedes-Benz GLE, 265/45R21 breaks down as: 265 = section width in millimetres (10.43"), 45 = aspect ratio (the sidewall is 45% of the width, so 119.3 mm / 4.69" tall), R = radial construction, and 21 = the wheel diameter in inches.
- What is the overall diameter of the 2021 Mercedes-Benz GLE tires?
- The 265/45R21 tire on the 2021 Mercedes-Benz GLE has an overall diameter of about 30.39" (772 mm) and a rolling circumference of roughly 95.47", giving about 664 revolutions per mile. Fitting a tire with a different diameter will throw off your speedometer and odometer.