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

SL55/63/65/R230 AMG: Anyone Run a 305 30 20 on an SL?

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Old 05-06-2015, 11:08 AM
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2005 SL600, 2016 ES300h, 2012 Hayabusa
Anyone Run a 305 30 20 on an SL?

Since it has been stupid hard to find tires for my car and I want something sticky to try for the summer. I have the lomo lowering module to adjust the car up a hair if need be, but I wasn't sure if anyone had any experience with these not fitting. I am looking into the nitto NT-05R
Old 05-06-2015, 12:12 PM
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G63
think you might have an issue with a 305/30 fitting, but i do know a 305/25 will fit as long as the offset on the rim is right.
Old 05-06-2015, 12:17 PM
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sl55 widebody - built viper - ls1 turbo 350z
im running a 295/30 on a 10" wide rear +22 offset. fitment is very very flush, i have virtually no gap from fender to tire.
Old 05-06-2015, 01:35 PM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
they fit on lowered car, but slight rub on tip of rear bumper when bottom out
Old 05-06-2015, 06:31 PM
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SL65 AMG
I run a 305/25/20 and hate it. I will be jumping to a 30 on this next set. As for fitment, I'm lowered and can tell I have enough clearance to run them with very minimal rubbing, when hitting bumps, if any.

Last edited by euphoriaDSM; 05-11-2015 at 10:58 AM.
Old 05-07-2015, 06:22 AM
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2003 SL55,2020 GTC ,2017 GTS sold ,2002 G500 Sold,2003 SL500 Sold,
295/30x19 on 10 inch wide rim ET28 off set ,my tire guy tol me 305 is too wide for rim ,but they would prob work
Old 05-07-2015, 09:34 AM
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SL 63 W/B AMG , S600,C220
Another way of increasing the ride quality is to fit wider tyres.
I have just put 325 25 20 on, much better and they look
S8
Old 05-07-2015, 11:21 AM
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SL 55 and a GT 3000 vr4 Here's my car: http://home.online.no/~ludvs/index.cfm
Sound 8, do you also raise the suspension (one light), as well?

I always ride with it, if not it is an uncomfortable ride.
Old 05-07-2015, 01:50 PM
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SL 63 W/B AMG , S600,C220
Hi Rune, I had 305 25 21 on and it was bone shaking, so I put 20 inch on
but with bigger tyres, and it is better and better geared. I am having a
RennTech lowering module fitted tomorrow which will be much better than
the lowering links it has at present. Also at the same time they are going
to upgrade the ECU . So can't wait to drive it, let's hope we have a nice
weekend, I am soooo excited ..
Old 05-07-2015, 08:58 PM
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E55, GLS450, GL63, GLE350
Originally Posted by euphoriaDSM
I run a 305/25/30 and hate it. I will be jumping to a 30 on this next set. As for fitment, I'm lowered and can tell I have enough clearance to run them with very minimal rubbing, when hitting bumps, if any.
Yeah, I would imagine a 30" wheel rides pretty bad. Never seen any of those on a Benz. Post a pick of that Donk!

Here's a picture of some 30's on a Camaro.
Attached Thumbnails Anyone Run a 305 30 20 on an SL?-chevrolet-camaro-30in.jpg  
Old 05-07-2015, 09:36 PM
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E63, 190e, s400
I was on 295/ 30 it's the best size you can run
Old 05-07-2015, 11:00 PM
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2005 E55 AMG - - 2005 SL55 AMG - - - - - - 2006 SLK55 AMG - - - - - - 2013 Ducati Diavel AMG -
Originally Posted by NEMES1S
Since it has been stupid hard to find tires for my car and I want something sticky to try for the summer. I have the lomo lowering module to adjust the car up a hair if need be, but I wasn't sure if anyone had any experience with these not fitting. I am looking into the nitto NT-05R
Kustom2k1 installed Nitto Extreme DR 305 35 18 on an 03 SL55 stock turbine wheels. This was years ago and he had a thread about it. I attached his pics!!





Old 05-08-2015, 10:21 AM
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SL 63 W/B AMG , S600,C220
Originally Posted by BlownV8
Yeah, I would imagine a 30" wheel rides pretty bad. Never seen any of those on a Benz. Post a pick of that Donk!

Here's a picture of some 30's on a Camaro.
Thanks, thanks, and thanks , I never laughed so much
Old 05-08-2015, 10:24 AM
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SL 63 W/B AMG , S600,C220
It's not a case of which tyre you prefer, you have to have the right size
for the rim, as well as loading and speed rating,no good plucking figures
out of the air.
S8.
Old 05-08-2015, 11:51 AM
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SL 55 and a GT 3000 vr4 Here's my car: http://home.online.no/~ludvs/index.cfm
Does everyone else here, who has lowered their cars, raise the suspension when you're driving?

Last edited by rune solem; 05-10-2015 at 01:21 PM.
Old 05-11-2015, 10:58 AM
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I meant 305/25/20, I fat fingered the the 3 rather than the 2. haha
Old 05-11-2015, 01:58 PM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
Of course , the car has 3 heights. Lowest/no lights, middle/one light, hi/two lights.
I use lowering links
Low is pretty low, I can drive like that but chance for scraping. Low is for parking and showing.
Middle can go either way, I drive with it on good roads and performance driving.
Hi is for everywhere else I go. Reason is, the car is aligned at High position so camber is straightest best tire wear, straight handling , is I drive in lo the tires would wear rapidly.
Old 05-12-2015, 06:23 AM
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SL55, 1100 HP Supra, 400 HP GSXR
305/30-20 will easily fit with a 10.5" wheel being the optimal width. What's of the most importance is wheel offset.
Old 08-09-2015, 08:26 PM
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I want to run 325/30r20 rear and 305/30r20 up front on my wide body. I am still waiting for my new wheels so I am not sure if they will fit yet.

The main reason being this is the best sizes I could find in the pilot sport cup2 tires I want to run.
Old 08-10-2015, 06:40 PM
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Originally Posted by sound 8
It's not a case of which tyre you prefer, you have to have the right size
for the rim, as well as loading and speed rating,no good plucking figures
out of the air.
S8.
Hey sound8, how about 315/25/20? I read your response about putting on a wider tire, and it did make sense..the wider tire will beef up the over all tire it self.
Old 08-10-2015, 07:11 PM
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315/25r20 should be no problem but you would probably want an 11" wheel minimum.
Old 08-11-2015, 03:01 PM
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SL65 AMG, X5-4.8i M-Sport, 530D, 528i
I had 295/30/19" on the standard 9,5" Rims which was not good, tyre to wide for the rim. Now I have 305/25/20" on 11x20" Rims. Ride and handling on the car has increased 2 or 3 fold. Car is lowered with Renntech V2 module and no problem.
Old 01-18-2017, 03:20 AM
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Originally Posted by F1BHP
315/25r20 should be no problem but you would probably want an 11" wheel minimum.
Im planning on running 20x9 up front 255/30 and 20x11.5 rears and fit 315/25 rather than 305/25, what do you think?

The recommended size is 305/25/20, but I've seen them on other R230s and the 25 series are too thin imo...i figured if i go a bit wider tire, it'll make the 25series a bit taller/beefier compared to 305s..
Old 01-18-2017, 10:34 AM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
305 25 20 fits with 10.5 to 11 wheels. I dont know if 11.5 wheels will work, Ive only seen up to 11
Old 01-19-2017, 06:56 PM
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Originally Posted by okbarnett
305 25 20 fits with 10.5 to 11 wheels. I dont know if 11.5 wheels will work, Ive only seen up to 11
I have 305/30/20 Toyo TR1s in the rear. I forget if its 20x10.5 or 20x11


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