Tire pressure
07-29-2018, 05:30 PM
#3
MBWorld Fanatic!
The tyre pressures on my 43 on 19 inch wheels are 32psi front AND back, you could be getting the message because of the different pressures in your front to back tyres.
07-29-2018, 05:41 PM
#4
Junior Member
Thread Starter
went to dealer yesterday, front pressure need to be 35 and back 38. he reset my sensors, and now its fine, the dealer did not add any air. I guess its easy to do, just go to the tire pressure screen, down arrow, hit ok and you are reset. drove yesterday and today, no issues!
07-30-2018, 10:57 AM
#6
Senior Member
On North American models you have to check the fuel filler door for the full list of recommended pressures. The info on the door pillar is incomplete and the manuals are no help.
Note: The door pillar shows maximum load rating and the recommended tire pressure needed for that. If normal duty pressure is 32 all around (no front/rear difference) and max load pressure is 35PSI front and 38PSI rear (3 PSI front/rear difference), then the warning appears if you run a larger front/rear pressure differential. That's what happened here. Drivers should run normal pressures unless carrying max load all the time. Unfortunately, many dealer staffers aren't aware that the full tire pressure guidance is located on the the fuel filler door. They look on the pillar and think it's the proper pressure for everyone, but it's not.
Note: The door pillar shows maximum load rating and the recommended tire pressure needed for that. If normal duty pressure is 32 all around (no front/rear difference) and max load pressure is 35PSI front and 38PSI rear (3 PSI front/rear difference), then the warning appears if you run a larger front/rear pressure differential. That's what happened here. Drivers should run normal pressures unless carrying max load all the time. Unfortunately, many dealer staffers aren't aware that the full tire pressure guidance is located on the the fuel filler door. They look on the pillar and think it's the proper pressure for everyone, but it's not.
Last edited by mtberman; 07-30-2018 at 01:17 PM.
07-30-2018, 12:09 PM
#7
Does the display also ding you for too high of pressure? I wonder this because if you dont use Nitrogen the tire pressure can indeed climb high if your cold psi is set to gas cap specs.
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07-30-2018, 05:46 PM
#8
MBWorld Fanatic!
On North American models you have to check the fuel filler door for the full list of recommended pressures. The info on the door pillar is incomplete and the manuals are no help.
Note: The door pillar shows maximum load rating and the recommended tire pressure needed for that. If normal duty pressure is 32 all around (no front/rear difference) and max load pressure is 35PSI front and 38PSI rear (3 PSI front/rear difference), then the warning appears if you run a larger front/rear pressure differential. That's what happened here. Drivers should run normal pressures unless carrying max load all the time. Unfortunately, many dealer staffers aren't aware that the full tire pressure guidance is located on the the fuel filler door. They look on the pillar and think it's the proper pressure for everyone, but it's not.
Note: The door pillar shows maximum load rating and the recommended tire pressure needed for that. If normal duty pressure is 32 all around (no front/rear difference) and max load pressure is 35PSI front and 38PSI rear (3 PSI front/rear difference), then the warning appears if you run a larger front/rear pressure differential. That's what happened here. Drivers should run normal pressures unless carrying max load all the time. Unfortunately, many dealer staffers aren't aware that the full tire pressure guidance is located on the the fuel filler door. They look on the pillar and think it's the proper pressure for everyone, but it's not.
