Counterfeit or Real OEM Wheel??
You can try comparing with your other rims and see if fonts are same. Try scrapping off bit of metal on all your tims and send it off to the lab and ask them the composition of the metallurgy.
You can try comparing with your other rims and see if fonts are same. Try scrapping off bit of metal on all your tims and send it off to the lab and ask them the composition of the metallurgy.
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I would say your wheels are also OEM.
Last edited by Bmarcinczyk14; Sep 14, 2021 at 01:46 PM.
OP, I can take a look at your wheel and get a good sense of whether it is genuine or not, but you will need to post more pictures of the entire wheel for me to that.
OP, I can take a look at your wheel and get a good sense of whether it is genuine or not, but you will need to post more pictures of the entire wheel for me to that.
Haha, what a coincidence!
Haha, what a coincidence!
Haha, what a coincidence!
@Bmarcinczyk14 You probably know this already, but the W205 has staggered wheel setups so 18x7.5 in the front and 18x8.5 in the back, I think. I assume you are putting these new wheels on the rear?
@Bmarcinczyk14 You probably know this already, but the W205 has staggered wheel setups so 18x7.5 in the front and 18x8.5 in the back, I think. I assume you are putting these new wheels on the rear?
I'll try to briefly explain why without going down the rabbit hole. Most aluminum wheels on the market today are manufactured using a process called low-pressure casting. This casting process is inherently imperfect and leads to a lot of variation in material properties. After casting, the wheel is machined to the final geometry with a CNC and that has its own tolerance and variation. Then the wheel goes off to the paint line. So no two wheels coming off the manufacturing floor are exactly the same in weight, appearance, and strength.
Say we have 5 wheel companies making the same wheel. Each company has slightly different variations in design and process. You might ask: how can I be confident as a customer that these wheels made by different companies are safe? Well OEM wheels (not just Mercedes, but all car companies) require rigorous mechanical testing that validates the finished goods. If it doesn't pass the rigorous testing, companies can't mass produce it anyways. The test is basically performed the same since it is standardized and Mercedes will give their blessing.
There are a lot of tests and studies we perform to make sure these wheels are safe for customer use. After all, it is a safety item! I think the reason why some people are weary of 'Chinese' wheels is that they had poor experiences with these cheap and knockoff wheels that don't undergo the same testing as OEM wheels. So when they hit a pothole, the wheel completely shatters or is severely dented. That's not to say that OEM wheels can't get dents, they absolutely can, but it'll take a lot more force to do so.
OEM wheels are always the way to go. If you need to go aftermarket, then I would go with a reputable company. It is not worth saving a few hundred dollars to get the cheap knockoff wheels. Do not risk your life, it is not worth it.
EDIT: it is also worth noting that each wheel is carefully designed for the car it is going on. Wheel load, brake caliper clearance, natural frequency, and a lot other engineering considerations go into a wheel design. You can't say that for these 'universal' knock off wheels that seem to fit a wide range of models.
Last edited by DYC300; Sep 15, 2021 at 03:53 PM.
I'll try to briefly explain why without going down the rabbit hole. Most aluminum wheels on the market today are manufactured using a process called low-pressure casting. This casting process is inherently imperfect and leads to a lot of variation in material properties. After casting, the wheel is machined to the final geometry with a CNC and that has its own tolerance and variation. Then the wheel goes off to the paint line. So no two wheels coming off the manufacturing floor are exactly the same in weight, appearance, and strength.
Say we have 5 wheel companies making the same wheel. Each company has slightly different variations in design and process. You might ask: how can I be confident as a customer that these wheels made by different companies are safe? Well OEM wheels (not just Mercedes, but all car companies) require rigorous mechanical testing that validates the finished goods. If it doesn't pass the rigorous testing, companies can't mass produce it anyways. The test is basically performed the same since it is standardized and Mercedes will give their blessing.
There are a lot of tests and studies we perform to make sure these wheels are safe for customer use. After all, it is a safety item! I think the reason why some people are weary of 'Chinese' wheels is that they had poor experiences with these cheap and knockoff wheels that don't undergo the same testing as OEM wheels. So when they hit a pothole, the wheel completely shatters or is severely dented. That's not to say that OEM wheels can't get dents, they absolutely can, but it'll take a lot more force to do so.
OEM wheels are always the way to go. If you need to go aftermarket, then I would go with a reputable company. It is not worth saving a few hundred dollars to get the cheap knockoff wheels. Do not risk your life, it is not worth it.
EDIT: it is also worth noting that each wheel is carefully designed for the car it is going on. Wheel load, brake caliper clearance, natural frequency, and a lot other engineering considerations go into a wheel design. You can't say that for these 'universal' knock off wheels that seem to fit a wide range of models.

EDIT: Just confirmed that this wheel was made in China but shipped to Alabama assembly plant. So this is for the US W205.
Last edited by DYC300; Sep 15, 2021 at 04:16 PM.





