They're **** for traction. With the eurocharged V4 I can spin through 1st and partially into 3rd. They do however have good sidewall feel and they last long but they'll never see my car again.

Yes

I'm on 235/40/18 conti3 tires atm on front...what's the possibility of rubbing with 15mm spacers?

edit. Not too big of deal. If they rub I can always resell them. Good thing I can get a replacement pair for less than a bill!

Assuming you have the Merc spec they will rub for sure sine they're quite a bit wider than the RE750. You'd likely need 12mm

Where are you getting that tread info? And is section width the most important number?

You can get it from tirerack.com under "specs" for a particular tire. I'd say both numbers are important.

You've been very helpful. Thank you.

All 3 are important.

Thanks for the help.

yeah, all 3.

thanks a lot for the insight guys but Roswell got exactly what i meant i want spacers only until i buy new rims with larger offsets

Does anyone have a website were i can buy the h&r hubcentric spacers size 10MM and 12MM for my c63 coupe?

contact vivid or world motorsports, or some of the other sponsors on this forum.

There was thread on this not two weeks ago - see https://mbworld.org/forums/c63-amg-w...ml#post5690708. I posted some H&R part numbers and links to a cross-reference page, plus there was another member there (a vendor) that could order them. If memory serves, khmergod ordered stuff from him.

All good and valid suggestions here, although I also don't understand what Zephyr meant about the spacers "conforming" to the wheel. The spacer is no different from the hub mounting surface where the wheel goes now. If you manage to squeeze the spacers to the point where they get deformed, chances are that they're either made of soft plywood or that you have over-tightened your wheel bolts and have bigger issues to worry about.

H&R has a web site with an extensive list of authorized distributors/retailers throughout North America. Have a look, verify the part numbers for the spacers and the bolts, and see if any of them are close to you.

If u are in Canada, essexdiistribution in Vancouver is the H&R Canadian distributor, they also carry the 40mm extended lugs for our cars.

If u are in US, u have more choices.. All the sponsors on this forum should carry them (Wheel boutique, Vivid racing, acute performance, ACG , tirerack & much more).

Good luck!

Zephyr thought OP was going to use spacers on his OEM wheels first then on his new wheels after. There is a slight chance/risk that the spacers will bond to the wheel hub, specially if the spacers are used during a long period of time w/o removing them. Or used during heavy load like track uses.

Keep in mind that the use of spacers has its danger. Some countries like Australia made them illegal for a reason. So please use with caution.. like using hubcentric spacers only with the right length bolts, and re-torque the bolts periodically.

I check stock bolts ever so often, and they never budge. How many miles is recommended to retorque them?

Ah - that makes sense. Yes, they can definitely can bond to the hub. Thanks.

With regard to the danger aspect, if they are done right there are no issues. They are illegal in Oz only if they're a third-party add-on, not if the vehicle was designed to use them (Porsche has been using them for years on both street and race cars - my 993 had them on the front and the 928 has them on the rear), but you can indeed break the wheel studs/bolts and lost the wheel if it's done improperly. Changing the offset too much (with spacers or just by using wheels with a different offset) will also affect the wheel bearing loads and steering geometry, which in turn will affect the scrub radius and the handling of the car.

When you first put them on the car (not just spacers, but every time you take off and mount the wheels), you should re-torque them after 100 miles or thereabouts. Afterwards just make a habit of doing it once every couple of months, like checking your oil level.

^^ well said, always re-torque ur bolts around 100km of driving after every install.