Need help asap.
I hope your wheel is balanced, hope you didn't use spacer in the front and hope your wheel is not one of those wheel that required a hub centric "ring".
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Defective tire... bad belt etc... centric ring wrong size or not in, wheel run out per manufacturer. Or something in the front end joints. Good luck with it
The reason I'm so worried about any wheel coming off because I have a pregnant wife and the last thing I want is the wheel coming off when she's in the car.

Not all hub centric are the same sizes, thickness and material. My brand new slk wheel from Tire Rack came with hub centric ring that just fallen off when I remove the warning label that said the ring MUST install with wheel. The front ring is plastic that fallen off and the rear ring is aluminum that stuck inside the hub. It might have fallen off during the mount and balance of the tire and the installer might not even know it. He should just just check to make sure.,
As far as the bolts are concerned I just have the same bolts as stocks the only difference is that they are shorter. That's all.

e.g.
R12 means Radius = 12mm (diameter = 24mm)
R13 means Radius = 13mm (diameter = 26mm)
R14 means Radius = 14mm (diameter = 28mm)
No, once the lug nuts is tight. As for "ball" and "tapered" lugs nut. It could be possible due the the wrong lug nut head. But I'm still using oem "ball" head lug on an aftermarket "tapered" seat wheel with 3mm spacer and no vibration what so ever.
Last edited by Klinh; Mar 25, 2012 at 11:57 PM.
check for proper torque
check for proper balance
leave wife at home. run on freeway and as soon as you feel vibration, continue
for minute or two and then pull over quickly and inspect each tire sidewall for
possible failure. they may have weakness and belts will bulge out, leading to
imbalance. if allowed to cool down, the bulge may retract and all appear normal
and you'll overlook this possible ailment. shouldn't happen with new tires but
then again, stranger things have happened.
check suspension for wear at all wearable points. possible that realignment is
needed for new tires.
put the old wheels/tires back on until you resolve this.
Glyn, I have the ones on the left from your picture. I'm not sure about the thread on them. I'll check.
Also to update everyone. I had to drive to pa for work last night so I decided I'm gonna drive with these wheels on. It felt fine. And I decided to go about 70 then 75 then 80 mph. The steering did not shake. I was so pissed and happy at the same time. Because I want to know if there is a problem, not let it disappear.
The last time When it shook so much it was on a new road. That got me more confused because its a new road, it can't be that maybe the road could have been bad. But see the problem is. I work in PA and I'm here for the whole week. And there are hardly any shops around here and MB. God they told me that stock wheels are cracked when I just had vibration. I checked my stock wheels and they are fine. So I don't think I can take it to them.
I had just gotten a wheel alignment done like three weeks ago. Is it possible that I need a new wheel alignment again with the new wheels?
Can MB perform a wheel alignment with the aftermarket wheels on?






