Vibration at 80mph
Thread Starter
Super Member
Joined: Feb 2015
Posts: 733
Likes: 64
From: USA
09E350, 07E63, 13CLS63
Vibration at 80mph
All 4 tires are around 80% new with road force balance. When I go over 80mph, I feel the vibration and the faster I go the more I feel. The car is 50k miles, I checked the control arms bushings and ball joints, they all look solid to me. The ball joints are not expensive but the labor is. I tried to search for videos for W218 ball join and/or controll arm replacement but didn't find anything. Has anyone done trhis? Or a procedusre I can follow? While they are there, should I replace the front lower control arms? They are kinda expensive.
Sometime it has some squeaky noise when turnng during the cold days. Thanks.
Sometime it has some squeaky noise when turnng during the cold days. Thanks.
Out Of Control!!
Joined: Apr 2019
Posts: 11,964
Likes: 6,806
From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
(front) wheel vibration
All 4 tires are around 80% new with road force balance. When I go over 80mph, I feel the vibration and the faster I go the more I feel. The car is 50k miles, I checked the control arms bushings and ball joints, they all look solid to me. The ball joints are not expensive but the labor is. I tried to search for videos for W218 ball join and/or controll arm replacement but didn't find anything.
Has anyone done this? Or a procedusre I can follow?
While they are there, should I replace the front lower control arms?
They are kinda expensive.
Sometime it has some squeaky noise when turnng during the cold days. Thanks.
Has anyone done this? Or a procedusre I can follow?
While they are there, should I replace the front lower control arms?
They are kinda expensive.
Sometime it has some squeaky noise when turnng during the cold days. Thanks.
Front control arms are great parts to keep new but before the No1 should the sway bar LINKS. Both front + rear. They are responsible for making the chassis very bouncy side to side and front to rear similar to bouncy shocks.
If you travel on bad pavement regularly then replace the front sway bar itself ($150) to have new tinny bushings.
Last edited by CaliBenzDriver; Oct 25, 2025 at 03:18 PM.
Thread Starter
Super Member
Joined: Feb 2015
Posts: 733
Likes: 64
From: USA
09E350, 07E63, 13CLS63
This wheel vibration is a bit aggravating for wet roads handling. You can replace every suspension parts, wheels + alignment and still have the same vibration.
Front control arms are great parts to keep new but before the No1 should the sway bar LINKS. Both front + rear. They are responsible for making the chassis very bouncy side to side and front to rear similar to bouncy shocks.
If you travel on bad pavement regularly then replace the front sway bar itself ($150) to have new tinny bushings.
Front control arms are great parts to keep new but before the No1 should the sway bar LINKS. Both front + rear. They are responsible for making the chassis very bouncy side to side and front to rear similar to bouncy shocks.
If you travel on bad pavement regularly then replace the front sway bar itself ($150) to have new tinny bushings.
Thread Starter
Super Member
Joined: Feb 2015
Posts: 733
Likes: 64
From: USA
09E350, 07E63, 13CLS63
Maybe I can try to replace the front sway bar. Is this something can be done at home? I remember I was unable to do it for my old 2007 E63 because the whole subframe must be removed first.
Out Of Control!!
Joined: Apr 2019
Posts: 11,964
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
- Wheel bearings
- Tie-rods
- Arms
- ball joints
I've measured my front swaybar to be a 25mm... many nice standalone bushings available - Normally intended as single maintenance item.
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Thread Starter
Super Member
Joined: Feb 2015
Posts: 733
Likes: 64
From: USA
09E350, 07E63, 13CLS63
wheel bearings were replaced a few years ago. recently checked, there were some play on 1 side and alredy been corrected. Never thought that the tie-rod could be the problem. I will double check. Thank you số much.
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Thread Starter
Super Member
Joined: Feb 2015
Posts: 733
Likes: 64
From: USA
09E350, 07E63, 13CLS63
Out Of Control!!
Joined: Apr 2019
Posts: 11,964
Likes: 6,806
From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
Front-End Freeplay
Suspension issues can be caused by many-many things....
Use the process of elimination: one item after another, "every suspension part must go" - Luckily there are not so many. Every new part will bring your front end back towards factory tight.
Have a look at "car parts dot com" for spare components. There may be greater options
Last edited by CaliBenzDriver; Oct 25, 2025 at 09:55 PM.
Out Of Control!!
Joined: Jun 2004
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
re balance, and re assess the balance of the wheels without the tires - properly inspect them.
not all road forced balance is the same - different places do a better job. Have seen countless of these "steering vibration" threads on Mbworld over 15+ years and MOST end with "rebalanced again and problem solved" or something to do with the wheels themselves
i will rebalanced tires at least once after the initial purchase of them when they are new - often at 20-30% use, which is why I like discount tire and their free re balancing
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From: Baltimore County, MD
'13 s212 63 p30. '06 LX470
You mention a squeak when turning side to side in the cold. Id find that noise as it's indicative of no grease and a likely bit of play in that joint. Mercedes joints are not hard per-se but you need the correct tools that fit in the hub area.
