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2010 S550 Sport +1 20" AMG Wheels - What's the correct tire pressure?

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Old May 7, 2010 | 05:01 PM
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2010 S550 Sport +1 20" AMG Wheels - What's the correct tire pressure?
My gas flap says 32, but this seems low to me for such low-profile tires.

It came from the dealer with 40 all around, and this is where i've left it. The car rides and handles fine.

Other threads on this forum say 19" AMG's should be at 35psi. Does anyone know what's best on the 20s?

Does Mercedes spec tire pressure higher for larger wheels?

Thanks.
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Old May 7, 2010 | 08:50 PM
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2007 S550 AMG with ABC
On the S63 which comes with 20" The recommended pressure is 42 Front/44 rear . That's also what I am running with my 20" setup. With 19" wheels recommended pressure is 35 PSI.
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Old May 7, 2010 | 09:31 PM
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Originally Posted by irieblue
On the S63 which comes with 20" The recommended pressure is 42 Front/44 rear . That's also what I am running with my 20" setup. With 19" wheels recommended pressure is 35 PSI.
Thanks for the info. Isn't it odd that MB would put the wrong tire pressure on the gas flap?

The wheels were part of the Sport Package +1, a factory option.
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