air Pessure - MBWorld.org Forums

Jun 30, 2021 | 02:55 PM

tomd

Thread Starter

Senior Member

Joined: Jun 2004

Posts: 269

Likes: 20

From: the sane part of MA

2025 E450 4Matic

air Pessure

I recently purchased a 2021 MB E450 with the 19" AMG rims fitted with P245/40 R19 XL 98h Pirelli CINTURATO P7™ ALL SEASON PLUS II Run Flats. My question concerns the proper tire air pressure

The sticker on the gas cap suggests 36 front, 36 rear
The sticker on thr B pillar suggests 41 front, 47 rear

Any ideas? Thanks

Jun 30, 2021 | 03:35 PM

JakeW213

Senior Member

Joined: May 2020

Posts: 251

Likes: 67

From: North

W213 220d from 2016

Somewhere between the 2?

I run 260 psi/ 2.6 Bar on my staggerede setup
245/35-20 and 275/30-20

Last edited by JakeW213; Jun 30, 2021 at 03:38 PM.

Jun 30, 2021 | 03:40 PM

murman

Super Member

Joined: Aug 2006

Posts: 724

Likes: 50

From: Vancouver Canada

S213 2020 E450 4Matic CDN Spec 07/19 build

Quote:

Originally Posted by tomd

If you look closely at the B-pillar notes, I seem to recall that's the maximum pressure. I don't know why they do that now (wasn't always the case) but hey I'm no expert.

Jun 30, 2021 | 03:53 PM

konigstiger

Out Of Control!!

Joined: Jul 2003

Posts: 15,901

Likes: 4,632

From: North Scottsdale, AZ

'71 Pinto

I believe tire reads maximum pressure 50 psi. B pillar may be best.

Jul 1, 2021 | 07:14 AM

JTK44

MBWorld Fanatic!

Joined: May 2018

Posts: 3,048

Likes: 905

From: Long Island, NY

2019 E 450, 2016 E350 4matic (retired), 2018 Ford Edge Sport, 2008 Porsche Boxster

Use the tire pressure on the gas cap. I always add 10%.

Jul 1, 2021 | 09:49 AM

TPAbnz

Super Member

Joined: Jun 2004

Posts: 996

Likes: 16

From: Tampa, Florida

2017 E300W

Same issue here. If pressure is set to gas cap numbers, the low tire pressure warning comes on. Was told by dealer to use the pillar sticker values.

Jul 1, 2021 | 12:13 PM

benz 4 jts

Junior Member

Joined: Dec 2008

Posts: 22

Likes: 1

00 ML430, 00 E320 4matic wagon

The tire pressure listed on the gas cap is the proper pressure. A lot of tire shops get confused by that. see the attached.

Attached Files

Tire pressures.pdf (164.9 KB, 401 views)

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Jul 1, 2021 | 03:49 PM

bmwpowere36m3

MBWorld Fanatic!

Joined: Jun 2020

Posts: 1,363

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'11 E350, '11 E550, '98 M3, '95 E320

Quote:

Originally Posted by TPAbnz

Same issue here. If pressure is set to gas cap numbers, the low tire pressure warning comes on. Was told by dealer to use the pillar sticker values.

TPMS pressure setting can be adjusted for whatever target pressure you want... so if you want to use the filler door, set the pressures COLD and thru the IC reset the TPMS pressure to your "new" values.