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Originally Posted by LakePlay  Not sure this is the right thread for the information but does anyone have the definitive answer to what various size rims and tires will fit on the W210 without rubbing or effecting the speedometer etc.? |
Hi, LakePlay. I'll answer your question but in the future if you don't see something that applies to your question it's always best to start a new thread rather than take a chance on hijacking a thread.
There is no such thing as a complete, definitive list for all possible wheel and tire combos in part because that information changes as new sizes are introduced and because certain other things can affect that, such as spacers and lug bolts. It also can't take into effect other changes an owner might have made, such as lowering. There is some general information in the HELP stickies at the top of this forum.
That said, speedo effect is controlled by one thing and that is the outer diameter (OD) on a tire -- and that holds true regardless of the wheel size or other tire dimensions. You can use one of the online tire size calculators such as the one at 1010tires.com or miatanet.garage/tirecalc.html to show you what you need to do with width and profile in order to maintain the proper OD as you vary wheel diameter for example.
What wheels and tires will fit is dependent upon three factors, all of which interrelate: width, diameter and offset. For example as you go bigger and wider -- even if you stay with the correct OD -- offset becomes absolutely critical.
Bottom line here is that unless you're willing to do lots of homework and trial and error, the single best piece of advice I can give you is to purchase your wheels and tires from a reputable seller that will guarantee fitment, in the sense that they provide you the assurance you need that they will fit and if they don't, then the seller will make it right, even if that means giving you a complete refund. That will likely cost you more in dollars than if you find some cheapo import things on e-bay, but it is less than the satisfaction of having a quality wheel that fits without having to later purchase spacers, roll the fender, etc. -- and figuring in the effective cost of your time and frustration.
Take care and enjoy the ride,
Greg