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C450/C43 Wheel Fitment Guide

 
Old 09-26-2017, 09:20 AM
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Originally Posted by alwazsidwaz View Post
Looking good so far...any plans to try out a 20mm spacer on the back? Heard it might be able to take it without rubbing and will get the tire even with the fender.

no i will not be using a 20mm on back. i dont plan on spacing the stock wheel setup. using that for winter and max clearance.


the only reason i am using spacers on the summer setup is to get the wheels to oem off sets plus around 10mm at most.
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Old 09-26-2017, 02:08 PM
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HUGE UPDATE!!! The spacers listed above by H&R for the special hub application fit our vehicle in the front. I have not tried the rear yet as I ran out of time at lunch I assume the 12mm will fit in the rear but I am unsure of the 10mm as the taper on the hub is less in the rear than the front.


But in the front both the 10mm and the 12mm fit which makes fitting pretty much any wheel possible.

After fitting both the 10, 12, and 15mm spacer to the front on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max maybe even 8mm max from stock wheel face. if you are lowered I can see gaining the 5mm. I still think an 8.5j wheel is to wide for this car. it will work if lowered. but for non lowered cars, the 8.5j is just too wide. get yourself the 8 inch wide wheel with a 235 or 245 and thank me later.

more updates to come!!

also don't go out and buy these just yet. I need to confirm rear and also may have the 10mm or 12mm for sale depending on which I go with

They are clear anodized as well which is nice. I wish they made a black anodized version.


on to the pictures. notice the chamfer on the spacer makes it appear that it does not sit flush with rotor face. it sits flush on both the hub/rotor face and the wheel. I bolted up to confirm. and also hand spun and it contact.





H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on OEM 18x7.5 et 33 makes it et 21mm. sticks out a little too much at stock ride height. some may think its acceptable. I think 10mm outward from stock for any non lowered car is the max.


H&R 12mm special spacer on w205 c43 2017 front hub. dark gap you see is chamfer on spacer. it is not a gap.


chamfer on 12mm spacer.


H&R 12mm special spacer on w205 c43 2017 front hub. dark gap you see is chamfer on spacer. it is not a gap.


H&R 10mm special spacer on w205 c43 2017 front hub. dark gap you see is chamfer on spacer. it is not a gap.


H&R 10mm special spacer on w205 c43 2017 front hub. dark gap you see is chamfer on spacer. it is not a gap.
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Old 09-26-2017, 02:33 PM
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Great news! Awesome find and thanks for going out on a limb for such a discovery. Definitely too aggressive for OEM height, just makes it look like a monster truck and exacerbates the fender gap.
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Old 09-26-2017, 02:42 PM
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Originally Posted by alexasa View Post
Great news! Awesome find and thanks for going out on a limb for such a discovery. Definitely too aggressive for OEM height, just makes it look like a monster truck and exacerbates the fender gap.
yea exactly. but on a et 45mm 8 inch 507 wheel it will make it 6mm more aggressive which i think may be perfect!! just debating on what to do in rear. i am really hoping the 10mm will fit. other wise the 12mm for rear will do and bring rear et54 from 507 to 42. which is pretty much same offsets as bbs wheels CIR. we shall see!!

Last edited by Star4life; 09-26-2017 at 02:44 PM.
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Old 09-27-2017, 11:08 AM
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Update:


Big notes to keep it short. I tried all combos on both the front and the rear from 3mm-15mm. The verdict is:


Front: 3-6mm works. 7-9mm does not work. 10mm special, 12mm special and 15mm normal works. there may be a h&R normal 13mm that would work as well.

Rear: 3mm-8mm works, 9-11mm does not work. the special 10mm H&R spacer did not sit flush by about 1mm. if made in an 11mm it probably would work but for safety factor I would recommend the 12mm H&R special and up. 15mm normal worked.



Pictures follow. I tried 6mm, 12mm and 15mm on front. I would agree with another members assessment. 10mm up front max for non lowered vehicles. I am choosing to go 6mm more outward than stock with new 507 wheels and keep et at 33mm.


In the rear, I honestly really liked the 15mm. it grew on me but looked great once suspension settled after a drive. 12mm was fine too. both were better than stock. once I get the Michilin tires we will see how they look as they will have a much more square shoulder.


big points to note: 10mm and 12mm Special H&R spacer work on front but only 12mm works on rear. the "barrel" of spacer is fine on front but very tight fit on rear wheels with higher et. should work on any oem wheel.





w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.


w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R special 12mm spacer.





w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R 15mm spacer.



w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R 15mm spacer.



w205 c43 2017 OEM 18x8.5 et 49 rear with 245/40/18 Pirelli C7 Runflat with H&R 15mm spacer.




w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R special 12mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R special 12mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R special 12mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R special 12mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R special 12mm spacer.





w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R 15mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R 15mm spacer.



w205 c43 2017 OEM 18x7.5 et 33 front with 225/45/18 Pirelli C7 Runflat with H&R 15mm spacer.
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Old 10-04-2017, 10:31 AM
  #31  
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Originally Posted by Star4life View Post
I understand. yes I saw you said to push wheels 5mm in more to sit slightly in. I appreciate your offer for help but I prefer to do things on my own and provide my results. I may find something you overlooked and vice versa which is why I appreciate your input.


I can agree with your tire recommendation at this point. I do not like the 245/275 setup due to the ending diameters, it leaves the wheel well looking empty. If you lower this may be a good thing, but I don't plan to lower right away and if I do it will be with coil overs and it wont be a huge drop since I still want track use.


this car does not yearn for traction like the c63 does. our awd system is beast for getting us off the line.


235/40/19 and 265/35/19 will be the tires I will run. this will reduce unsprung weight as well and aid in making the ride more complaint. also you gain some sidewall as well.


There are no negatives to running the 235/265 combo that I see. braking may be a bit better with a larger front contact patch but good compound/lower wheel and tire weight can make up for the small difference there. there is no way we are fitting 265s or even 255s on the front flawlessly. if anyone has please let me know but I don't see it.

I think the tire size you considered is bang on right. A 235 and 265 would put your overall tire+ rim dia just enough to correct the 3kmph speed difference we have on our cars stock. All of them have it for some reason. I do not know if someone has noticed. If you use a GPS, it reads 97 where as the car's dials show 100. The increased width will probably offset this and bring it back to normal.
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Old 10-04-2017, 11:14 AM
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Hey Star4Life, do you mind explaining why there is a small band of spacers in the 5mm to 12mm region that suddenly stops working. Really not understanding that yet.


Still new to this. Learning as I go.
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Old 10-04-2017, 01:05 PM
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Originally Posted by munis View Post
Hey Star4Life, do you mind explaining why there is a small band of spacers in the 5mm to 12mm region that suddenly stops working. Really not understanding that yet.


Still new to this. Learning as I go.
length of the hub and hub centric nature of the hub makes it difficult to design a spacer that goes over the hub and still initiates the hub centric nature of the OE hub.

below 10mm you would use the OE hub to mount the wheel, but beyond that you use the spacer to mount the wheel and the spacer mounts to the hub.
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Old 10-04-2017, 01:49 PM
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Originally Posted by Star4life View Post
my current plan is to run 235/40/zr19 front and 265/35/zr19 rear on 8.5j et33 and 9.5j et51 on the oem multi spoke forged rims. NYCsoil, do you think a 2mm spacer would have worked? you said the 34mm bolted up with tire? or just with rim? i am hoping i can get away with 33mm in front. run 5mm spacer all around and use same 5mm longer than oem lugs all around.
I'm looking for bolts for a 10mm spacer M14 x 1.5 x 27mm (this is the factory bolt size)

so to use the 10 mm spacer should I do use M14 x 1.5 x 37mm size lug bolts?? Where do I find those? or something close to it +- 2 mm??

Thanks
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Old 10-05-2017, 08:44 AM
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Originally Posted by alexasa View Post
length of the hub and hub centric nature of the hub makes it difficult to design a spacer that goes over the hub and still initiates the hub centric nature of the OE hub.

below 10mm you would use the OE hub to mount the wheel, but beyond that you use the spacer to mount the wheel and the spacer mounts to the hub.
munis this is correct. thick of a hub centric and wheel centric spacer as an extension of the hub. the spacer needs to sit on hub but then also needs to shrink back down to hub size and diamter to get the wheel on. so you need to clear hub then it can shrink back down to size. there is a picture floating around that describes this perfectly. but too short of a spacer does not clear hub essentially. and if they do clear hub they need to put an agressive chamfer on wheel side to get more material in that transition area and then it wont fit a stock wheel.
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Old 10-05-2017, 08:45 AM
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Originally Posted by crocoss View Post
I'm looking for bolts for a 10mm spacer M14 x 1.5 x 27mm (this is the factory bolt size)

so to use the 10 mm spacer should I do use M14 x 1.5 x 37mm size lug bolts?? Where do I find those? or something close to it +- 2 mm??

Thanks
RAD Bolts by otis inc la is where i get my bolts. OEM quality. get r14 ball seat m14 x 1.5 x 40mm long. and youll be good.
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Old 10-05-2017, 09:30 AM
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Originally Posted by Star4life View Post
munis this is correct. thick of a hub centric and wheel centric spacer as an extension of the hub. the spacer needs to sit on hub but then also needs to shrink back down to hub size and diamter to get the wheel on. so you need to clear hub then it can shrink back down to size. there is a picture floating around that describes this perfectly. but too short of a spacer does not clear hub essentially. and if they do clear hub they need to put an agressive chamfer on wheel side to get more material in that transition area and then it wont fit a stock wheel.
Here it is:


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Old 10-16-2017, 04:08 PM
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OEM 507 black wheels have finally landed in the US from Germany. awaiting tracking to my house now!!
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Old 10-27-2017, 09:05 AM
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finally another update!!! The wheels have shipped to me from the distributor. they landed last week from germany then got sorrted inspected and shipped to me this week! I should have them Monday!!

They look so great!!! The rears look darker and glossier in the picture due to the light being towards the front if you guys have a careful eye.

Once I get them I can verify they are OEM as stated by seller and inspect condition to make sure they are prime as stated. They told me they sell take offs from mercedes dealers and even sometimes they are brand new.
So if they check out, I can share link with you guys if any are interested in a fully forged factory oem mercedes wheel weighing 21 lbs that will fit perfect on our cars!!

Temperatures have been getting colder so i may just be test fitting them then taking them off for winter we will see. if temps hold above 45 ill put them on for a few weeks. if i see 30s they will be put in the basement.

enjoy!! and look for updates!!


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Old 10-27-2017, 09:57 AM
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Where did you purchase those wheels?
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Old 10-27-2017, 11:55 AM
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Originally Posted by Dieseldan9 View Post
Where did you purchase those wheels?
from an oem distributor i found. i can give exact specifics once i know they are legit. other wise its a waste of time.
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Old 10-27-2017, 08:49 PM
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Just adding this picture to the thread. Picture of control arm : tire gap for 19x8 et 45 + 12mm spacer 235 40 conti extreme sport. Pretty tight in there. Sorry no stock pic
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Old 10-28-2017, 07:34 AM
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Just a little more info. 19" x 8.5 +40 fit with a 10mm spacer up front. Luckily for me 😊
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Old 10-28-2017, 12:51 PM
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Originally Posted by Zed512 View Post

Just adding this picture to the thread. Picture of control arm : tire gap for 19x8 et 45 + 12mm spacer 235 40 conti extreme sport. Pretty tight in there. Sorry no stock pic
thanks for adding. I am 19x8 et30 with a 245 and have similar clearance.

Originally Posted by CClement View Post
Just a little more info. 19" x 8.5 +40 fit with a 10mm spacer up front. Luckily for me 😊
This is known to fit..
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Old 10-28-2017, 01:07 PM
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Well I wasn't 100% sure but now I am so thought I'd share just in case.
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Old 10-30-2017, 04:24 PM
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thanks for the picture of the clearance. Wheels arrived. They look great. Will get some pictures up and also going to put them on tonight to get an idea for fitment!!

I bought them on ebay from a company called I1parts. if you search c63 amg oem wheels and scroll through you will find them. Still pretty expensive. They are a company that re-manufactures them. They claim that they do not re manufacture wheels that have been bent or cracked. mine do not appear to have been repaired in any way except for the lip. I assume they had rash at one point. Overall for the price, I am extremely happy with them. Still expensive, but not $1800 a wheel expensive like the dealer had told me!! Yikes!! They look just like oem minus the machined lip being slightly lower. I am assuming at one point the wheel had curb rash so they ran the end mill around the lip so it is about a 1/16-1/32 lower than oem. not horrible and for the savings ill take it. Paint looks oem and seems very sturdy. Its not too black but not too matte either. perfect satin. And of course all OEM markings are on the wheel and they are genuine. To the average purchaser you may not even tell it has been re manufactured. I just have an extra keen eye. from 2 feet away you cant tell the difference.


Pics will follow!!

Last edited by Star4life; 10-31-2017 at 11:01 AM.
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Old 10-31-2017, 10:42 AM
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Old 10-31-2017, 11:41 AM
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That's a fine looking wheel. What car was this originally designed for?
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Old 10-31-2017, 12:12 PM
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woo! looking forward to seeing it.

Originally Posted by cenzo86 View Post
That's a fine looking wheel. What car was this originally designed for?
w204 c63 507
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Old 10-31-2017, 12:57 PM
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Originally Posted by cenzo86 View Post
That's a fine looking wheel. What car was this originally designed for?
its the 507 black series wheel from the 2014-2015 C63 black series. fully forged. 22lbs per wheel.
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