Tire Pressure...
MBWorld Fanatic!
Joined: Oct 2015
Posts: 1,583
Likes: 292
2019 E300
I have a staggered set and run 33F 40R.
I've had STS set them all the same at 35 before and Benz set them at 30F 35R. So I kind of just go with what I feel most comfortable with. The weather is so inconsistent up here so I often have to put more air in it every few months.
Anyone try nitrogen?
I've had STS set them all the same at 35 before and Benz set them at 30F 35R. So I kind of just go with what I feel most comfortable with. The weather is so inconsistent up here so I often have to put more air in it every few months.
Anyone try nitrogen?
I have staggered setup as well, and I run 35 all around. As far as designer air, I don't need it, the small benefit of nitrogen is not worth the trouble of filling up at a nitrogen station only.
MBWorld Fanatic!
Joined: Jun 2013
Posts: 1,900
Likes: 210
From: Sacramento , CA
2010 e550 p2
what , isnt it like .02-.05 mpg better or smth like that? or am i trippin lol
MBWorld Fanatic!
Joined: Jun 2015
Posts: 1,523
Likes: 85
From: New Jersey
2010 E550 P2 w/AMG Sport Package + Pano, 2015 Nissan Pathfinder
Good question. I just thought it(Nitrogen) would keep the pressure from changing due to temperature drops etc. I swear during an 20 degree drop in temp that the PSI seems to drop 5-8 area. Which is enough to set the alert off in some cases. I check it daily just in case but some days it'll be about 90 during the apex then late night or early next morning it's easily 65-70.
MBWorld Fanatic!
Joined: Oct 2015
Posts: 1,583
Likes: 292
2019 E300
Regular air is 87% nitrogen, Nitrogen is a gas and is still affected by changes in ambient temperature (about one psi for every 10° Fahrenheit). The benefit of nitrogen is that it is less likely to migrate through tire rubber than is oxygen, but again, there is only 20.9% of oxygen in air. Nitrogen tends to be dryer as well, less moisture, which is another small percentage. If I track my car, I would most definitely use nitrogen, but since I do not, the trouble of topping off my tire with nitrogen out-weights the benefits.
Newbie
Joined: Dec 2008
Posts: 7
Likes: 2
From: Tulsa, OK
E 350
I bought a 2014 VW that had nitrogen "installed" in the tires as part of a dealer add-on package in Dec. of 2014. I check the pressure every 5,000 miles (6 months) and almost 2 years later it still has the same 32 psi it came with. I was so impressed I've put it in the tires on all my rolling stock. Cost is $20 for most sedans, vehicles with staggered tire sizes (E-350, Corvette, etc.) are $25. Best automobile value I've encountered in a long time and I have a compress installed in my garage. OBD
