Tire walls say Max 51 PSI, door jams say Max 38/32 PSI, WHICH ONE DO I LISTEN TOO????
I checked my tires and they were all in the 30's so, i assume the door jam is what I listen to... but then if I wanted could I inflate my tires to 50 since it is within the max limit printed on the inner tire wall??
go check your tires out and compare to the drivers door jam, you will see what I mean...
I wonder why mercedes has this discrepancy between what they say and what the actual tires say???
Last edited by rb23lb; Dec 28, 2007 at 01:04 PM.
It should be noted that the higher the pressure the worse the ride gets and more choppy.
You have to take into account that air is expanded during driving thus will yield higher pressure inside the tyre, if you put 51/max psi into the tyre, the tyre can't handle the extra psi during driving.
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ALWAYS use the what's in the door jam. The discrepancy between the two numbers exists on all cars. Tires are always rated to go higher then what the manufacture recommends but you don't ever want to fill the tire to the max. That would be very bad.
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