2020 GLE450 Tire Pressure
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2020 GLE
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2020 GLE 450; 2023 BMW M2 Coupe
Tire pressure confusion
"Tire pressure listing inside driver’s door is size specific for 21s – 34F/39R. Notation inside fuel flap (non-specific) is 31F/31R normal; 31F/39R loaded. I think I will go 34/34 for normal use. Not sure why Mercedes does this (was same on my ’12); it’s confusing."
It is very confusing for the owner. I think 31 is a little low, but if you're after comfort it is safe. I would go 33F/33R for unloaded use (or at least 32/32), raising the rear for 4 passengers + luggage or towing. My '12 ML with 20s was posted similarly with 32 psi minimum. Raising the front tire pressure decreases potential understeer, but in the non-AMG models I don't think that is a factor, but it will sharpen steering slightly.
Where is that middle sticker located?
Last edited by GregW / Oregon; May 21, 2019 at 11:04 AM.
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Thanks for replying. The Middle Sticker is inside the door right under the Black Sticker and the 3rd on Gas Cap Door. It came with 35/35 so I"ve left it at that for now.
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From: Lake Oswego, OR
2020 GLE 450; 2023 BMW M2 Coupe
Tire pressures
Actually fronts and rears have about the same sidewall height because of the different widths. If you calculate the sidewall, Front = .45 x 275 = ~124 mm; Rear = .40 x 315 = 126 mm. 39 psi unloaded will give a pretty stiff ride and is not necessary.
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From: Lake Oswego, OR
2020 GLE 450; 2023 BMW M2 Coupe
MBWorld Fanatic!
Joined: Jul 2003
Posts: 6,770
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From: Lake Oswego, OR
2020 GLE 450; 2023 BMW M2 Coupe
Tire pressure
That's going to be a stiff ride! Did you take that reading with the car on? I found the app will not read correctly (high) with the ignition off.
Last edited by GregW / Oregon; May 23, 2019 at 10:41 AM.
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2021 GLE53 AMG
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From: Lake Oswego, OR
2020 GLE 450; 2023 BMW M2 Coupe
Curb weight & tire pressure
Mercedes has not published curb weights, but Car & Driver listed their test 450 with Airmatic & 20s at 5,151 lb. The 350 has a lighter engine with no 48 volt system, but is the same in other respects, so maybe 200 lb. lighter? That would be like 4%, which is not enough to affect tire pressure. The load carried has more of an effect. Now suspension tuning, especially in the front, may be different between the two.
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2020 GLE 450; 2023 BMW M2 Coupe
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2021 GLE 450
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
All those labels are specified by the Feds. Format, information, and placement. Talk to your Elected Official, who might lean on the Bureaucrats, who make the real rules.
The fuel filler door is the manufacturer's recommendation for inflation pressures.
I think they allow sun visors on SUV's now, that don't have rollover warnings.
Soon, we'll have World Class headlights, if those Bureaucrats can figure out how to read the Law. They have two years to write the Rules, then hold hearings, then re-write, then two more rounds of hearings and objections, then a final Rule. We'll see (headlight pun).
The fuel filler door is the manufacturer's recommendation for inflation pressures.
I think they allow sun visors on SUV's now, that don't have rollover warnings.
Soon, we'll have World Class headlights, if those Bureaucrats can figure out how to read the Law. They have two years to write the Rules, then hold hearings, then re-write, then two more rounds of hearings and objections, then a final Rule. We'll see (headlight pun).
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From: Northshore of Lake Travis, TX
2022 GLE 450/2020 Gen 2 Raptor/few others
On our 2022 GLE 450 we have been running 34-35 all around on the 21s. No complaints and we live in a hilly curvy area where they get worked a little. I've not chalked them yet but need to. Performance/comfort-wise no complaints at that pressure.
