Tyre pressure too low?
Thread Starter
Senior Member
Joined: May 2018
Posts: 389
Likes: 56
E63 AMG Estate
Tyre pressure too low?
Hi, I’ve been driving along for last couple of months, not really paying much attention to tyre pressure because it is in kpa and I always have used psi or bar before!
So I did the conversion when the car is cold and it’s quite low! Front 36 psi, rear 34 psi.
Anyone think that is too low?
So I did the conversion when the car is cold and it’s quite low! Front 36 psi, rear 34 psi.
Anyone think that is too low?
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Joined: May 2017
Posts: 1,725
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From: Southern California
2018 E63S AMG
That's about what my car came with when delivered in Germany - maybe closer to 38 PSI front, but was in the 36 PSI range when cold in the 30 deg F weather we had after delivery. Rear were in the 34 range. I survived the two weeks with no problems.
The pressure chart on the gas cap door says 41 PSI front and 33 PSI rear for normal driving speeds and with driver and one passenger. Since getting the car back in the States I've tried to keep the pressures pretty close to the 41/33 values. Rides fine for the most part as far as I'm concerned.
So, seems like your front are a little low and the rear are just fine.
The pressure chart on the gas cap door says 41 PSI front and 33 PSI rear for normal driving speeds and with driver and one passenger. Since getting the car back in the States I've tried to keep the pressures pretty close to the 41/33 values. Rides fine for the most part as far as I'm concerned.
So, seems like your front are a little low and the rear are just fine.
Thread Starter
Senior Member
Joined: May 2018
Posts: 389
Likes: 56
E63 AMG Estate
That's about what my car came with when delivered in Germany - maybe closer to 38 PSI front, but was in the 36 PSI range when cold in the 30 deg F weather we had after delivery. Rear were in the 34 range. I survived the two weeks with no problems.
The pressure chart on the gas cap door says 41 PSI front and 33 PSI rear for normal driving speeds and with driver and one passenger. Since getting the car back in the States I've tried to keep the pressures pretty close to the 41/33 values. Rides fine for the most part as far as I'm concerned.
So, seems like your front are a little low and the rear are just fine.
The pressure chart on the gas cap door says 41 PSI front and 33 PSI rear for normal driving speeds and with driver and one passenger. Since getting the car back in the States I've tried to keep the pressures pretty close to the 41/33 values. Rides fine for the most part as far as I'm concerned.
So, seems like your front are a little low and the rear are just fine.
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