SL/R230: My tire pressure
Thread Starter
Almost a Member!
Joined: May 2004
Posts: 33
Likes: 0
From: Boston, MA / Saudi Arabia
My tire pressure
Hi,
I just adjusted my tire pressure according to the chart on the gas tank's inside cover. So I did 30 psi for the front and 33 psi for the rear. I have 18" rims and Pirelli Russo tires.
Is it right, or is there another psi # to consider?
I just adjusted my tire pressure according to the chart on the gas tank's inside cover. So I did 30 psi for the front and 33 psi for the rear. I have 18" rims and Pirelli Russo tires.
Is it right, or is there another psi # to consider?
Senior Member
Joined: Sep 2004
Posts: 256
Likes: 0
From: New Jersey ~ Monmouth County
2005 SL 500
Huh, I have Pilot Sports (18s - 255 front - 285 back) that came with my AMG package. The recommended pressure in my driver door and gas compartment is 26PSI - front and 29PSI - back. Its interesting that your SL suggests a different tire pressure.
Was your SL purchased in the States or Saudi Arabia?
Was your SL purchased in the States or Saudi Arabia?
MBWorld Fanatic!
Joined: Oct 2004
Posts: 2,604
Likes: 125
2026 Mercedes CLE53A4 AMG Cabriolet and 2025 MAYBACH EQS680V4
Originally Posted by Chris 45971
Huh, I have Pilot Sports (18s - 255 front - 285 back) that came with my AMG package. The recommended pressure in my driver door and gas compartment is 26PSI - front and 29PSI - back. Its interesting that your SL suggests a different tire pressure.
Was your SL purchased in the States or Saudi Arabia?
Was your SL purchased in the States or Saudi Arabia?
Almost a Member!
Joined: Nov 2003
Posts: 73
Likes: 0
From: Arizona, USA
SL550
For what its worth, my tire guy recommends that you keep them 10% below the max PSI. (This is in AZ) The ride may be stiff but you will extend the life of the tires. The recommended pressure on the doors and by tire co's is based on ride comfort, not handling or extending the life of the tire. His company sells to just about every high end dealership in AZ and seems to know a lot about this issue.
Super Member
Joined: Dec 2002
Posts: 911
Likes: 1
From: Wichita
2005 SL600, 2011 Honda Odyssey Touring Elite
Originally Posted by mattnaz
For what its worth, my tire guy recommends that you keep them 10% below the max PSI. (This is in AZ) The ride may be stiff but you will extend the life of the tires. The recommended pressure on the doors and by tire co's is based on ride comfort, not handling or extending the life of the tire. His company sells to just about every high end dealership in AZ and seems to know a lot about this issue.
Thread Starter
Almost a Member!
Joined: May 2004
Posts: 33
Likes: 0
From: Boston, MA / Saudi Arabia
Originally Posted by Chris 45971
Huh, I have Pilot Sports (18s - 255 front - 285 back) that came with my AMG package. The recommended pressure in my driver door and gas compartment is 26PSI - front and 29PSI - back. Its interesting that your SL suggests a different tire pressure.
Was your SL purchased in the States or Saudi Arabia?
Was your SL purchased in the States or Saudi Arabia?
Does the weather temp has to do with these pressure recommendation?
Trending Topics
Out Of Control!!
Joined: Jul 2002
Posts: 28,933
Likes: 12
Tires are a few hundred bucks.
The car is a lot more.
And your life even more (well... depends on the car
)
Keep the tire pressure at what the car says or tire rack. They've tested numerous tires at numerous pressures, there is a reason why their advice is the right advice.
The car is a lot more.
And your life even more (well... depends on the car
)Keep the tire pressure at what the car says or tire rack. They've tested numerous tires at numerous pressures, there is a reason why their advice is the right advice.
MB World Stories
The Best of Mercedes & AMG
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
10 Most Reliable Mercedes-Benz Models You Can Buy Used
Verdad Gallardo
MBWorld Fanatic!
Joined: Jul 2004
Posts: 1,111
Likes: 0
From: Memphis
SL500 and A-CLASS
Originally Posted by mattnaz
For what its worth, my tire guy recommends that you keep them 10% below the max PSI. (This is in AZ) The ride may be stiff but you will extend the life of the tires. The recommended pressure on the doors and by tire co's is based on ride comfort, not handling or extending the life of the tire. His company sells to just about every high end dealership in AZ and seems to know a lot about this issue.
MBWorld Fanatic!
Joined: Jul 2004
Posts: 1,111
Likes: 0
From: Memphis
SL500 and A-CLASS
Originally Posted by Saud
Hi,
I just adjusted my tire pressure according to the chart on the gas tank's inside cover. So I did 30 psi for the front and 33 psi for the rear. I have 18" rims and Pirelli Russo tires.
Is it right, or is there another psi # to consider?
I just adjusted my tire pressure according to the chart on the gas tank's inside cover. So I did 30 psi for the front and 33 psi for the rear. I have 18" rims and Pirelli Russo tires.
Is it right, or is there another psi # to consider?
Originally Posted by Saud
My SL was purchased in Saudi Arabia.It has the original AMG package.
Does the weather temp has to do with these pressure recommendation?
Does the weather temp has to do with these pressure recommendation?
http://www.tirerack.com/tires/tirete...p#maxinflation
A tire's maximum inflation pressure is the highest "cold" inflation pressure that the tire is designed to contain. However the tire's maximum inflation pressure should only be used when called for on the vehicle's tire placard or in the vehicle's owners manual. It is also important to remember that the vehicle's recommended tire inflation pressure is always to be measured and set when the tire is "cold". Cold conditions are defined as early in the morning before the day's ambient temperature, sun's radiant heat or the heat generated while driving have caused the tire pressure to temporarily increase.
For the reasons indicated above, It is also normal to experience "hot" tire pressures that are up to 5 to 6 psi above the tire's recommended "cold" pressure during the day if the vehicle is parked in the sun or has been extensively driven. Therefore, if the vehicle's recommended "cold" inflation pressures correspond with the tire's maximum inflation pressure, it will often appear that too much tire pressure is present. However, this extra "hot" tire pressure is temporary and should NOT be bled off to return the tire pressure to within the maximum inflation pressure value branded on the tire. If the "cold" tire pressure was correctly set initially, the temporary "hot" tire pressure will have returned to the tire's maximum inflation pressure when next measured in "cold" conditions
For the reasons indicated above, It is also normal to experience "hot" tire pressures that are up to 5 to 6 psi above the tire's recommended "cold" pressure during the day if the vehicle is parked in the sun or has been extensively driven. Therefore, if the vehicle's recommended "cold" inflation pressures correspond with the tire's maximum inflation pressure, it will often appear that too much tire pressure is present. However, this extra "hot" tire pressure is temporary and should NOT be bled off to return the tire pressure to within the maximum inflation pressure value branded on the tire. If the "cold" tire pressure was correctly set initially, the temporary "hot" tire pressure will have returned to the tire's maximum inflation pressure when next measured in "cold" conditions
Last edited by tiggerfink; Dec 29, 2004 at 11:27 PM.
