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Originally Posted by farsal Thanks alot greg for your response, however I used the tyre size calculator to figure that, W210 originally come with 215/55/16 that's equal to 643 mm in overall diameter, and 235/45/17 is exactly the same in diameter except the tyre is wider, well I already have 225/55/16 which's equal to 652 mm diameter, and equal to 245/45/17, I know they're a bit larger but still within the acceptable range the difference is 1.4% only which's equal to 9mm, still you can go upto 2.5% max. difference up/down in overall diameter, I think my problem is not the tyre size, I'm afraid of the bolt size only, and I like to go a bit wider. |
Hi, Farsal.
One of the reasons we have this forum is to share our experiences so we don't have to reinvent the wheel (no pun intended).
I spent literally months researching to find the wheels and tires I wanted for my car, only to have to replace the tires in the end because I trusted the exact same calculations on which you are relying. The difference between you and I is that I didn't have the benefit of anyone's experience and advice, and while you have that benefit, you're apparently content to ignore it.
While the OD of the 245/45/17 and the 225/55/16 are the same, you can run the 225/55/16s with 211 wheels just fine on your 210. (I also know that from personal experience.)
But the extra width and mild offset change means you CANNOT run the 245/45/17 on that wheel on your 210. Whether you choose to believe me or not, it will indeed rub in the front when you turn. So either you need to drop one size on the front (back is no problem for size) or you'll need spacers on the front, which is dumb.
I was trying to save you from the headaches I went through. But if you don't want to heed knowledgeable, sound advice, charge right ahead and find out for yourself. Just don't waste my time in the future.
Take care and enjoy the ride,
Greg