C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

vibration at highway spped

Old Jul 17, 2010 | 11:40 PM
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vibration at highway spped

I have a problem with my C230. While driving at highway speed around 60 - 70 mph, vibration are felt at the steering wheel. It gets really bad and spreads to the pedals and I can feel it even from my seat.

It goes away after 70mph and comes back within 60-70mph.

I had checked the air pressure and it is within spec and tires are still pretty new.

Any ideas to fix this?
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Old Jul 17, 2010 | 11:46 PM
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Have the tires balanced.
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Old Jul 18, 2010 | 10:30 AM
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minor correction - have all 4 WHEELS balanced. Very likely, one of the weights put on one of the wheels has fallen off. If you bought the tires, go back to the place where you bought the tires, they *may not* charge for the balancing the wheels.
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Old Sep 20, 2010 | 12:58 AM
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Okay, after changing out the two castro brushing. The vibration is gone. There is a slight vibration though and also tire noise. I think this is from the tires that is feathered out. I need to change this out and then I am sure I'll get a smooth driving.
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Old Sep 20, 2010 | 12:45 PM
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Originally Posted by 04mbc230
Okay, after changing out the two castro brushing...
Castro brushing?
Did you mean to say Control Arm bushings? or Anti-Sway-Bar bushing?
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Old Sep 20, 2010 | 12:52 PM
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Wheel bearing. I had the same issue before on a Infiniti Q45.
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Old Sep 20, 2010 | 01:31 PM
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Originally Posted by pcy
Castro brushing?
Did you mean to say Control Arm bushings? or Anti-Sway-Bar bushing?
It could be what he meant was castor bushing. Anyway, whatever bushing it was, you could be on point on your first assesment. An unbalance wheel could cause vibration at speed, usually at around 60-70 MPH the fact that one of the bushing was worn out, it made it worse. Now that the bushing was replaced the vibration is not as pronounced as before.

What baffled me was the tyres being feathered, it would take quite few miles to do that on a tire so maybe he has been driving it with bad vibration for a while.
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Old Sep 20, 2010 | 01:34 PM
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Originally Posted by C280 Sport
Wheel bearing. I had the same issue before on a Infiniti Q45.
I believe bad wheel bearing issue should eminate some kind of a intermitent squealing sound, no?
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Old Sep 20, 2010 | 01:50 PM
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Originally Posted by Beepbeep
It could be what he meant was castor bushing. Anyway, whatever bushing it was, you could be on point on your first assesment. An unbalance wheel could cause vibration at speed, usually at around 60-70 MPH the fact that one of the bushing was worn out, it made it worse. Now that the bushing was replaced the vibration is not as pronounced as before.

What baffled me was the tyres being feathered, it would take quite few miles to do that on a tire so maybe he has been driving it with bad vibration for a while.
Yes. I have been driving it with this vibration or actually the previous owners did. I doubt they have any idea of this issue at all. They even went to get new tires and yet the vibration is there. It's just sad how poorly this car was treated.
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Old Sep 20, 2010 | 01:55 PM
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The car has you now so she should get the proper TLC now.
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Old Sep 20, 2010 | 01:57 PM
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do you have staggered wheels ? If not maybe switch the fronts to backs and see if the vibration is there. Could the wheel be bent or flat spot? Jack the front wheel and spin it and observe any changes.
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Old Sep 20, 2010 | 02:05 PM
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Originally Posted by dirtdiggler
do you have staggered wheels ? If not maybe switch the fronts to backs and see if the vibration is there. Could the wheel be bent or flat spot? Jack the front wheel and spin it and observe any changes.
Yes I think it's staggered. The size for the front is different from the back. I had thought about this before, but nah it won't work.
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Old Sep 20, 2010 | 05:52 PM
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Did you ever have them properly balanced? These cars can be hell on tires - maybe you just need new ones if the ones you have are feathered.
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Old Sep 20, 2010 | 05:56 PM
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Originally Posted by LILBENZ230
Did you ever have them properly balanced? These cars can be hell on tires - maybe you just need new ones if the ones you have are feathered.
Yea I already have a new set waiting to be put in. The current tires looks good, other than being feather and hearing road noise. The MBtech said this car only like continental or michellen tires.

Oh well, I just don't know if I should throw away these tires currently has great treads on them. I really hate to waste them, especially how expensive they are on the invoices the previous owner showed me.
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Old Sep 20, 2010 | 06:08 PM
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Originally Posted by Beepbeep
I believe bad wheel bearing issue should eminate some kind of a intermitent squealing sound, no?

When mine went bad they didnt squeal at all.
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Old Sep 20, 2010 | 06:09 PM
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BS. You can go with any brand tire you would like. My C230 has worn Michelin, Continental, and Kumho brands and the Michelins were by far the worst, but it was the line of tire that was the problem (Primacy MXV4). Michelin makes damn good tires, I just don't think they're worth the price of admission. The Conti DWS tires I have now are doing good at 20,000 miles. The Kumho Ecsta ASX tires I had lasted 30k miles and were great tires - also not expensive.
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Old Sep 20, 2010 | 11:17 PM
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not to keep throwing tires out there but my car has had 3 sets of brigestones on it and i plan on buying a 4th set love them. All have worn perfectly and i have been bad about tire pressures but i do rotate around 8-10 k lol
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