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S550 with 20" wheels - Recommended Tire pressures

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Old Aug 3, 2018 | 03:45 PM
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2018 GLC300 4Matic; 2008 ML550 4Matic; 2004 C320
S550 with 20" wheels - Recommended Tire pressures
My S550 is equipped with 20" inch wheels and the following tire sizes:

Front: 245/40/ ZR20
Rear: 275/35 ZR20

What pressures are you guys running, recommending?

Thanks very much in advance.
Last edited by S70Houston; Aug 3, 2018 at 03:47 PM.
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Old Aug 3, 2018 | 04:15 PM
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2013 S550
I keep mine at or near 40 psi cold. That seems to help with rim damage.
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Old Aug 3, 2018 | 04:16 PM
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Originally Posted by regiment1
I keep mine at or near 40 psi cold. That seems to help with rim damage.
All Around, All 4 wheels?
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Old Aug 4, 2018 | 11:35 AM
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Anyone???????
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Old Aug 6, 2018 | 09:21 PM
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2003 S55 (SOLD) , 2012 S550
I have 19's and also go to 40 psi cold. Seems to work very well.
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Old Aug 7, 2018 | 02:07 PM
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My 2011 calls for 38PSI all around on the fuel door.
Vince
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Old Aug 7, 2018 | 03:36 PM
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Originally Posted by compaddict
My 2011 calls for 38PSI all around on the fuel door.
Vince
Hello from Sacramento to Auburn.

Originally Posted by PillDrive
I have 19's and also go to 40 psi cold. Seems to work very well.
40 seems a bit harsh, NO? Seems to be a stiff ride. I went with 35 in the front and 38 in the rear and it seems fine.
Last edited by S70Houston; Aug 7, 2018 at 03:38 PM.
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