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steering wheel shakes while braking

11323 Views 9 Replies 5 Participants Last post by  SDLCrazier
I noticed lately on my E300D that when I was in a harsh braking under high speed, my steering wheel shaked and I could feel it came from right front rotor. Under normal speed, say below 40mph, it's smooth. I tend to believe this is some sorta bushing shot (in early stage), not rotor being warped, but don't know which one.

On my 300SDL, I know there is a guide rod bushing which could cause similar problem and I changed that before. On E300D, it seems there isn't a guide rod, but I am sure there has to be something similar to hold the position of hub when immense force pushes hubs toward the back of the car. Are bushings there? Any graphic/screen shots are appreciated.
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Wow, 1,2,3 all pointed to warped rotors :) My understanding is - if a warped rotor is involved, in any given speed when braking is applied, regardless heavy or light footing, I should feel the steering wheel vibration. But in my case, only when I'm using heavy footing (harsh braking in high speed driving), it becomes noticeable.

Interesting thing is - Mercedes changed the frontend design from W126 completely. I am so familar with that on W126, in fact I rebuilt entire frontend myself on my 300SDL. Now W210 is a different animal, I have to start to learn it...
I buy your story :)
But if I apply little pressure, I should feel the roughness, don't I? Anyway, I'll go under the car tonight and beat it up at New Year's Eve :)

Happy New Year, friends!!
Thanks e-420. So most likely it is the rotor...
Lou, I'll take your advise, wait until next year :) but I am afraid I might not be sleeping well without fixing the issue ~~
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