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Anyone running on 18x8.5 +45 offset all around?

Old Jul 17, 2013 | 11:38 PM
  #1  
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2010 C300 Sport
Anyone running on 18x8.5 +45 offset all around?

Hey guys,

I have a 2010 C300 sport and I want to purchase some 18x8.5 wheels with +45 offset (front and rear). Does anyone have this setup on their car? If so, what size tires do you have? And are they a perfect fit? If you can post pictures of it, that would be greatly appreciated!

I'm hoping to have 18x8.5 +45 offset wheels with 225/40/18 front and 255/35/18 rear for tires. Would this work?
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Old Jul 18, 2013 | 01:45 AM
  #2  
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Factory ordered 2012 MB C350 w/Dynamic Handling Package
Originally Posted by mattheworosa
...
I'm hoping to have 18x8.5 +45 offset wheels with 225/40/18 front and 255/35/18 rear for tires. Would this work?
Yes. To prove that, I personally run 18x8.5 +45 FRONT wheels with 225/40/18 tires and 18x9.5 +45 REAR wheels with 255/35/18 tires.

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Old Jul 18, 2013 | 02:26 PM
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Originally Posted by edgalang
Yes. To prove that, I personally run 18x8.5 +45 FRONT wheels with 225/40/18 tires and 18x9.5 +45 REAR wheels with 255/35/18 tires.


Thanks for that! Would you happen to have a picture of the front wheel (18x8.5)...the tire shop keeps telling me that an 18x8.5 wheel with 225/40/18 tire won't fit the front
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Old Jul 18, 2013 | 02:55 PM
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'09 C350
I'm running a square setup of 18"x8.5" ET+45 with 235x40x18 front and 245x40x18 rear. Shops don't want to put 225 tires on 8.5 wide wheels because it stretches the tire. I personally agree that you should go with 235.
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Old Jul 18, 2013 | 03:34 PM
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Originally Posted by mattheworosa
Hey guys,

I have a 2010 C300 sport and I want to purchase some 18x8.5 wheels with +45 offset (front and rear). Does anyone have this setup on their car? If so, what size tires do you have? And are they a perfect fit? If you can post pictures of it, that would be greatly appreciated!

I'm hoping to have 18x8.5 +45 offset wheels with 225/40/18 front and 255/35/18 rear for tires. Would this work?
I'm running 18X8, +45 235/40s all around and love the setup. The addition of width up front and reduction in the rear seems to help the car turn in quicker and makes it easier for our "modest" power to break the rear lose in a tight corner when a little rear drift is helpful. It just seems better balanced.
Honestly, unless you are doing it for looks and want the rears wider, I would go 235/40 or 245/40 all the way around.
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Old Jul 18, 2013 | 04:00 PM
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S212 2011 Wagon and Wife's 2014 C350 sedan.
Wheel Informaton.

[QUOTE=edgalang;5717035]Yes. To prove that, I personally run 18x8.5 +45 FRONT wheels with 225/40/18 tires and 18x9.5 +45 REAR wheels with 255/35/18 tires.


From what I can see, great looking wheels. Please advise MFG, Model, size, offset.
Do you have any side photos?
Thanks.
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Old Jul 18, 2013 | 04:11 PM
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Originally Posted by SKYKING44
From what I can see, great looking wheels. Please advise MFG, Model, size, offset.
Do you have any side photos?
Thanks.
Take a look here.
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Old Jul 18, 2013 | 06:57 PM
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Originally Posted by mattheworosa
Thanks for that! Would you happen to have a picture of the front wheel (18x8.5)...the tire shop keeps telling me that an 18x8.5 wheel with 225/40/18 tire won't fit the front

Then those guys are not properly informed. A simple tirerack cross reference shows that the "Rim Width Range" for the stock [ContiProContact] tire in size 225/40R18 is 7.5-9".

I suppose it all depends on the tire you select. For example, if you ran with [Pirelli P Zero Nero All Season] using the same tire size, the "Rim Width Range" is only 7-8.5".

However regardless whichever you select...8.5 is GENERALLY within spec of a 225/40/18 tire.
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Old Jul 18, 2013 | 07:17 PM
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Originally Posted by edgalang
Then those guys are not properly informed. A simple tirerack cross reference shows that the "Rim Width Range" for the stock [ContiProContact] tire in size 225/40R18 is 7.5-9".

I suppose it all depends on the tire you select. For example, if you ran with [Pirelli P Zero Nero All Season] using the same tire size, the "Rim Width Range" is only 7-8.5".

However regardless whichever you select...8.5 is GENERALLY within spec of a 225/40/18 tire.

Ah, that makes much more sense. You're on the ContiProContacts I'm guessing?
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Old Jul 18, 2013 | 07:55 PM
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Factory ordered 2012 MB C350 w/Dynamic Handling Package
Originally Posted by mattheworosa
Ah, that makes much more sense. You're on the ContiProContacts I'm guessing?

Yes. I recycled my stock tires, although I personally can't wait to wear them out so I can get off these H-rated tires.
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Old Jul 18, 2013 | 08:14 PM
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Originally Posted by edgalang
Yes. I recycled my stock tires, although I personally can't wait to wear them out so I can get off these H-rated tires.
I heard the Michelin Super Sports were good!
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Old Jul 18, 2013 | 08:37 PM
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Originally Posted by mattheworosa
I heard the Michelin Super Sports were good!

I'm sure they are. However my next set will be [Continental ExtremeContact DW] unless something better comes out with equal or better tread wear. It's basically a Y-rated tire with a wear rating of 340.
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Old Jul 18, 2013 | 08:44 PM
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S212 2011 Wagon and Wife's 2014 C350 sedan.
I have a 2011 E350 Wagon. Living in Minnesota, I have been running Michelin Sport A/S Plus for the past two years, 46,000 miles. In January I put a second set on, at 43,000 miles.
In May I put a set of Michelin Pilot Super Sports on. I have put 2,400 miles on the new PSS's. What a positive difference! Quiet, great cornering, smooth and much better road handling. I think it is the best tire I have ever had on a car.
I highly recommend them.
I am waiting for my wife's 2014 W204, sitting in Port waiting for release, and when it arrives I will take it directly to Discount Tire and put a set of the new pilot A/S 3 that just came out.Those will be her year round tires.
No connection with Michelin.
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Old Jul 18, 2013 | 08:51 PM
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S212 2011 Wagon and Wife's 2014 C350 sedan.
Michelin Pilot A/S3 Update

Additional Information can be found at:http:
//www.michelinman.com/tire-selector/category/ultra-high-performance-sport/pilot-sport-a-s-3/tire-details#tire_highlights

The new tire has a 500 AAA rating with a 45,000 mile warranty.
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Old Jul 18, 2013 | 09:05 PM
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2010 Calcite C300 with AMG Sports Package
Here in Oz when optioned with AMG package standard issue is

Front 225/40/18 on 8” rims

Rear 255/35/18 on 8.5” rims

running Contisport3
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Old Jul 18, 2013 | 09:35 PM
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Originally Posted by SKYKING44
I have a 2011 E350 Wagon. Living in Minnesota, I have been running Michelin Sport A/S Plus for the past two years, 46,000 miles. In January I put a second set on, at 43,000 miles.
In May I put a set of Michelin Pilot Super Sports on. I have put 2,400 miles on the new PSS's. What a positive difference! Quiet, great cornering, smooth and much better road handling. I think it is the best tire I have ever had on a car.
I highly recommend them.
I am waiting for my wife's 2014 W204, sitting in Port waiting for release, and when it arrives I will take it directly to Discount Tire and put a set of the new pilot A/S 3 that just came out.Those will be her year round tires.
No connection with Michelin.
I've read very good reviews on them! Haven't seen any negative feedback to be honest.
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Old Jul 18, 2013 | 09:46 PM
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2010 C200 CGI
18x8.5 all around on 225/40/18, +35front, +33 rear. BTW, 8.5in to mm is 215 so a 225 is more than acceptable. Dunno what shops are calling that stretched.
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Old Aug 15, 2013 | 08:01 PM
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Originally Posted by vipsa
I'm running a square setup of 18"x8.5" ET+45 with 235x40x18 front and 245x40x18 rear. Shops don't want to put 225 tires on 8.5 wide wheels because it stretches the tire. I personally agree that you should go with 235.
I don't understand..225 tires are 8.86" width. How is that stretching the tire?
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Old Aug 16, 2013 | 06:15 AM
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C200 4matic
i have 235x40x18 front and rear with ET 45
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Old Aug 16, 2013 | 08:06 AM
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Originally Posted by edgalang
I'm sure they are. However my next set will be [Continental ExtremeContact DW] unless something better comes out with equal or better tread wear. It's basically a Y-rated tire with a wear rating of 340.
Just ordered rims and tires and I chose those tires...
Glad to hear I made the right choice!

Lexani R-Seven
19x8.5 ET40 Front 235/35ZR19
19x9.5 ET45 Rear 265/30ZR19
Continental ExtremeContact DW

Excited
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Old Dec 21, 2018 | 10:31 PM
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W204 Wheels

Hey guys, I was planning on purchasing new wheels for my car. I have a 2012 C300 Sport 4Matic. The rims are 18x8.5 and I was just curious if these would fit the car and what tire size would be best. I'm not looking to modify anything and not looking for rubbing either. Any help would be appreciated. Thanks!

Also, my current tire/wheel sizes are:
Front:
Tire: 225/45 R17, Wheel: 17x7.5
Back: 245/40 R17, Wheel: 17x8.5
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Old Dec 22, 2018 | 01:58 AM
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I'm running 18x8.5 +35 all around with 225/40/18 and no problems.
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Old Dec 22, 2018 | 08:38 AM
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Originally Posted by Knightmare69
I'm running 18x8.5 +35 all around with 225/40/18 and no problems.
Oh wow okay. I was told if i ran that set up with any offset below +40 my fenders would just eat into my tires if I hit potholes, etc.
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Old Dec 22, 2018 | 03:46 PM
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Originally Posted by Knightmare69
I'm running 18x8.5 +35 all around with 225/40/18 and no problems.
Hey could you confirm this with me your exact car model and that your tires arent being hit by your fender. Also could you send some pictures of your set up. Any help would be great, looking to buy the same 18x8.5 et35 set up. Pm me if you can thanks.
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Old Oct 31, 2021 | 06:45 PM
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Originally Posted by edgalang
Yes. To prove that, I personally run 18x8.5 +45 FRONT wheels with 225/40/18 tires and 18x9.5 +45 REAR wheels with 255/35/18 tires.

I
i have 18x8.5 offset 40 on mine and 225/45/18 all around but in the front even with 5mm spacers they rub on full turn. Does your rub with the 225/40/18 is that a requirement if u go 18 rims mine came 17 stock
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