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Maximum rear tire size on a Coupe with OEM 19/20 staggered wheels.

Old Jun 9, 2017 | 09:46 AM
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2017 C63S AMG Coupe
Maximum rear tire size on a Coupe with OEM 19/20 staggered wheels.

Hello all! I'm trying to get some definitive information prior to ordering new tires. I have a 17 coupe with the 19/20 staggered option. I'm trying to see what would be the largest + size I could go, specifically out back, from the 285/30. I'm lowered on the HAS setup, with the rears dropped all the way, -3* camber and a 15mm spacer. THe 285's fit perfectly fine now with zero contact or rub. I would like to go to a 285/35, a 295/30 or possibly a 305/30 IF they would fit without issue. Anyone have any experience going + size on the rear with the staggered setup while lowered? Picture showing how the rear currently sits:

Maximum rear tire size on a Coupe with OEM 19/20 staggered wheels.-img_1677_zpsen8rdfh9.jpg
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Old Jun 9, 2017 | 05:59 PM
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2017 C63S Coupe 2018 Ford Raptor 2017 Corvette Z06 2013 Mercedes C63 2012 Mercedes C63 BS
I do not have HAS but I do have a 305 in the rear and at one point test fitted a 315 R888
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Old Jun 9, 2017 | 07:20 PM
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I am lowered 20 mm all around with 265 front and 295 rear, no spacers. With no rubbing.
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Old Jun 10, 2017 | 12:31 AM
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how's the HAS kit feel? stiff? or no?
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Old Jun 10, 2017 | 02:16 AM
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Originally Posted by NSAMG
I am lowered 20 mm all around with 265 front and 295 rear, no spacers. With no rubbing.
what's the aspect ratio? 265/35 AND 295/30?

Last edited by jxh5761; Jun 10, 2017 at 02:24 AM.
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Old Jun 10, 2017 | 08:28 AM
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2017 C63S AMG Coupe
Originally Posted by Alex98
I do not have HAS but I do have a 305 in the rear and at one point test fitted a 315 R888
Originally Posted by NSAMG
I am lowered 20 mm all around with 265 front and 295 rear, no spacers. With no rubbing.
Thank you both for your feedback! I ordered some RE-71R's in 255 front and 295 rear. Crossing my finger that the rear does't rub with how my suspension and spacers are setup.


Originally Posted by Alex98
how's the HAS kit feel? stiff? or no?
It actually rides a little softer than oem springs, which is nice. Sport + and Race are still noticably stiffer; more vibration and road variation is felt. Comfort feels a little more like comfort should have from the factory.
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Old Jun 11, 2017 | 12:57 AM
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Originally Posted by Alex98
how's the HAS kit feel? stiff? or no?
Agreed the HAS actually feels more compliant than the OEM springs.

Best change I have made to the car

Scar
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