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18" wheels/tires to 19"

Old Mar 30, 2019 | 05:25 PM
  #1  
eggsandbacon's Avatar
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E43
18" wheels/tires to 19"

So all my wheels/tires are 18", and I plan on getting 19" AMG aftermarket wheels and 19" sports tires

Could I do that? Or would I need to do something else?

Also should I even buy aftermarket AMG wheels?
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Old Mar 30, 2019 | 07:04 PM
  #2  
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CJG
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2016 C300 4MATIC
You can buy refurbished factory wheels for around $150. They look like new. Google refurbished wheels in Texas. Maybe it’s called RTS Wheels. I bought two for my W204 and was very happy with them. They arrived in four days and shipping was super cheap.
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Old Mar 30, 2019 | 09:55 PM
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2018 Mercedes-Benz c300




I purchased these from eBay. Even though these are 18’s the seller I believe does have 19’s as well and also others
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Old Mar 30, 2019 | 10:54 PM
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Make sure that when you buy the new rims that they are OEM rims and not replicas. Replicas are heavy and dangerous.
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Old Mar 30, 2019 | 11:37 PM
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When you do an 18" to 19" wheel conversion, what has to be done to address any speedometer issues?
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Old Mar 30, 2019 | 11:58 PM
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2018 Mercedes-Benz c300
Originally Posted by Jack_88
Make sure that when you buy the new rims that they are OEM rims and not replicas. Replicas are heavy and dangerous.
.


Berfore i leased my current 2018 c class I had a 2016 with a very high quality replica amg wheels and didn’t have one problem with them. And I currently have a set on my 18. I do agree that there are some poor replicas out there but that is not the case for all.
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Old Apr 1, 2019 | 02:22 PM
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2015 C300 Sport
Originally Posted by bobbyo1123
When you do an 18" to 19" wheel conversion, what has to be done to address any speedometer issues?
Wheel size doesn't determine speedometer accuracy. It's the total diameter of the tire that will determine this. It's more about matching the right sized 19" tire to maintain the same total diameter as the prior 18" tire.
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Old Apr 1, 2019 | 05:18 PM
  #8  
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Originally Posted by JAMADOR
Wheel size doesn't determine speedometer accuracy. It's the total diameter of the tire that will determine this. It's more about matching the right sized 19" tire to maintain the same total diameter as the prior 18" tire.
Good point! The tires aspect ratio has to be smaller, I believe, to minimally impact the speedometer. Does anyone know what size tires come from the factory on cars with 19" AMG wheels?
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Old Apr 1, 2019 | 05:26 PM
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225/40-19 & 255/35-19 for the AMG 19s on mine

225/40-18 & 245/40-18 for the Sport pkg 18s
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