SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: Tire Fitment: 295/25/20 vs 305/30/20

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Old Dec 11, 2015 | 04:08 PM
  #1  
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From: Windermere, Sunny FLA
CLK55, CL500, Q45
Question Tire Fitment: 295/25/20 vs 305/30/20

Hey guys,

As title states, looking for advice on tire size. I currently
have a set of RennTech Monolites on the SL55, running
a 295/30/20 tire. Would like to replace with 305/30/20
tire on the rears. Will they fit on the car without rubbing?

Thanks in advance.
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Old Dec 11, 2015 | 06:51 PM
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Depends on the fitment of the wheel.
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Old Dec 12, 2015 | 08:53 PM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
you need to stay with 25s on 20" wheel, a 30 will probibly rub
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Old Dec 15, 2015 | 08:59 AM
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SL 63 W/B AMG , S600,C220
Hi, I have had 325,305 and 285 on the back. I don't like the ride on 25 profile tyres, so I put 285 x 30 x 20 on, these did not rub and gave a superior ride. You need wider wheels, 11 inch maybe to put 305 and up for
them to work, I had 325 on 10.5 inch wide rears, and the tyres gave a bouncy rolling affect not nice. The 285x30x20 was a good move. This was on
a sl65 standard body, although I now have a wide body I think it's inner
clearance you need, but then you can always get some thin spacers.
S8
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Old Dec 15, 2015 | 09:53 AM
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From: Windermere, Sunny FLA
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Yeah I have 295/30 on a 10.5" rim currently.

I ordered 305/30's which should be coming in today. I will
see if we can get them to fit this afternoon and report back.
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Old Dec 16, 2015 | 11:49 AM
  #6  
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From: Windermere, Sunny FLA
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Ok guys, just to update, we installed 305/25/20 Michelin Super
Sport 2's on the rear. As stated above, a 30 tire will rub on the
inside of the wheel well.
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Old Dec 16, 2015 | 02:42 PM
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SL 63 W/B AMG , S600,C220
Hi, a 285 x 30 x 20 will not rub, and give a great ride and grip.
S8
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Old Dec 16, 2015 | 03:57 PM
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SL65 AMG
Originally Posted by rajah996
Ok guys, just to update, we installed 305/25/20 Michelin Super
Sport 2's on the rear. As stated above, a 30 tire will rub on the
inside of the wheel well.
This is not true. Depends on your offset but I ran a 305/30/20 out back and did not rub and sat flush.
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Old Apr 29, 2020 | 02:37 AM
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Originally Posted by euphoriaDSM
This is not true. Depends on your offset but I ran a 305/30/20 out back and did not rub and sat flush.
i plan to run 305/30/20 for my rear set up also. These are OEM cross spoke SL63 wheels
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