C63s Wheels on E550 Cab. Wheel Spacer Advice/Help
Thread Starter
Newbie
Joined: Mar 2021
Posts: 6
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2013 E550 Cabrio
C63s Wheels on E550 Cab. Wheel Spacer Advice/Help
First post here, been lurking for a while.
I recently got C63s wheels for my 2013 RWD E550 Cab. I need wheel spacers for the back no question. The C63s wheels make the rear tire width go from 255 > 285.
My question is do I just get 30mm wheel spacers, or what is the logic necessary to determine correct spacer size?
For the fronts the width goes from 245 > 255, but the sidewall profile goes from 40 > 35. Same question as before when it comes to spacer sizing.
I recently got C63s wheels for my 2013 RWD E550 Cab. I need wheel spacers for the back no question. The C63s wheels make the rear tire width go from 255 > 285.
My question is do I just get 30mm wheel spacers, or what is the logic necessary to determine correct spacer size?
For the fronts the width goes from 245 > 255, but the sidewall profile goes from 40 > 35. Same question as before when it comes to spacer sizing.
Thread Starter
Newbie
Joined: Mar 2021
Posts: 6
Likes: 1
2013 E550 Cabrio
They’re from a 2018 C63s coupe from my understanding, but I got them from someone running them on a C450, so info might be wrong as it came down the line.
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
Junior Member
Joined: Sep 2017
Posts: 31
Likes: 3
2009 C207
Find the exact wheel you have on this site. Post the wheels sizes and ET's, that will assist with suggestions from the forum members.
https://www.alloywheelsdirect.net/mercedes_alloy_wheels
https://www.alloywheelsdirect.net/mercedes_alloy_wheels
Thread Starter
Newbie
Joined: Mar 2021
Posts: 6
Likes: 1
2013 E550 Cabrio
Find the exact wheel you have on this site. Post the wheels sizes and ET's, that will assist with suggestions from the forum members.
https://www.alloywheelsdirect.net/mercedes_alloy_wheels
https://www.alloywheelsdirect.net/mercedes_alloy_wheels
thanks! I was using another website, but I feel this will be more reliable
Senior Member
Joined: Oct 2007
Posts: 377
Likes: 92
2000 c230 kompressor special edition, 2012 E550 coupe (sold), 2017 C63 sedan (sold), 2018 C63S Coupe
They’re from a 2018 C63s coupe from my understanding, but I got them from someone running them on a C450, so info might be wrong as it came down the line.
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
I wouldn't doubt the fronts are 25mm offset, its pretty aggressive for the 207, especially with a 255 tire on it, if the rub is too bad I'd suggest going down to a 245. I was running 19x8.5 et37 and had thought of throwing on a 10mm spacer because it looked like I had the room. Are the rear wheels 19 x 10.5 or 20 x 10.5? I used to run 19x10.5 et50 with 285/30 tires on my car before it was lowered, went down to a 275 (30 aspect ratio at first, 35 later) when lowered to avoid rubbing. I feel like 19x10.5 et50 was getting to the limit of what you could run without having to modify anything as it was pretty flush with the fender and there was right around 0.5 inch between the wheel/tire and strut, so not a ton of room to play with. Running a 5mm spacer in the rear would get you to an effective offset of 52, 2mm more toward the strut than my old setup, there was easily 2mm of space on the inside of the wheel so that should be fine. Similarly a 10mm spacer would put you at an effective offset of 47, so 3mm toward the fender from what I was running, it might poke a little and cause even more rubbing if you're planning to lower, but it could work. If they're 20s, I'm not sure, try searching through a few threads here to see what people are running with 20s, or perhaps someone with 20" experience can chime in here.
Thread Starter
Newbie
Joined: Mar 2021
Posts: 6
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2013 E550 Cabrio
I wouldn't doubt the fronts are 25mm offset, its pretty aggressive for the 207, especially with a 255 tire on it, if the rub is too bad I'd suggest going down to a 245. I was running 19x8.5 et37 and had thought of throwing on a 10mm spacer because it looked like I had the room. Are the rear wheels 19 x 10.5 or 20 x 10.5? I used to run 19x10.5 et50 with 285/30 tires on my car before it was lowered, went down to a 275 (30 aspect ratio at first, 35 later) when lowered to avoid rubbing. I feel like 19x10.5 et50 was getting to the limit of what you could run without having to modify anything as it was pretty flush with the fender and there was right around 0.5 inch between the wheel/tire and strut, so not a ton of room to play with. Running a 5mm spacer in the rear would get you to an effective offset of 52, 2mm more toward the strut than my old setup, there was easily 2mm of space on the inside of the wheel so that should be fine. Similarly a 10mm spacer would put you at an effective offset of 47, so 3mm toward the fender from what I was running, it might poke a little and cause even more rubbing if you're planning to lower, but it could work. If they're 20s, I'm not sure, try searching through a few threads here to see what people are running with 20s, or perhaps someone with 20" experience can chime in here.
Rears are 19x10.5. When I had it on the hub it was well enough away from the fender that I feel I had room for a decent size spacer. It really only needs a 5-10mm spacer to have a few mm gap between the back of the wheel and the wheel well liner. That rubbing at the back is the main issue that is making me not already have them mounted on my car. If I need to roll the fenders, or make the rear a widebody, then I will when that time comes. The fronts were further out than the fender, so I already know going wider is a necessity if I want flush fitment.
Thanks again! that was really some of the best information I could've asked for with your setup being very similar.
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Senior Member
Joined: Oct 2007
Posts: 377
Likes: 92
2000 c230 kompressor special edition, 2012 E550 coupe (sold), 2017 C63 sedan (sold), 2018 C63S Coupe
They’re from a 2018 C63s coupe from my understanding, but I got them from someone running them on a C450, so info might be wrong as it came down the line.
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
So the fronts seem fine. They’re 9”, and the offset I found was 25, but that seems wrong. Only issue is when the wheels are turned fully left or right there is very slight rubbing on the wheel well liner.
Rears are the issue, 10.5” and offset of 57. When on the hub the back of the wheel is smack against the wheel well liner.
Overall I think I could do 10-20mm on the rears and that’d be perfect. Then maybe do 2.5mm on the fronts, idk really how to avoid that rubbing other than by getting a lower profile sidewall tire, so the spacer might be pointless.
PS, is there any good website(s) for just raw info in regards to various values for all MB’s?
Member
Joined: May 2023
Posts: 85
Likes: 9
From: Vancouver British Columbia Canada
C207 550
I do plan on using a 15mm spacer for the rear to make it flush, but I need wheels/tires asap, and a spacer will take some time to source.
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