Jun 16, 2015, 01:47 PM
Last edit by: IB Advertising
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Browse all: Steering and Suspension
Cracking noise from suspension when going over speed bumps
Junior Member
Joined: Mar 2007
Posts: 25
Likes: 2
I ended up going to my indie and he told em the sound now is coming from the right lower control arms and both left and right torque arms. At a tune of $1390 for parts and labor.
Does this sound about right as far as cost?
The S sounds like a horse and carriage right about now. Ha. Thanks in advance.
Does this sound about right as far as cost?
The S sounds like a horse and carriage right about now. Ha. Thanks in advance.
Senior Member
Joined: Mar 2015
Posts: 372
Likes: 3
s550
I ended up going to my indie and he told em the sound now is coming from the right lower control arms and both left and right torque arms. At a tune of $1390 for parts and labor.
Does this sound about right as far as cost?
The S sounds like a horse and carriage right about now. Ha. Thanks in advance.
Does this sound about right as far as cost?
The S sounds like a horse and carriage right about now. Ha. Thanks in advance.
Out Of Control!!
Joined: Jul 2003
Posts: 15,901
Likes: 4,632
From: North Scottsdale, AZ
'71 Pinto
Hello can someone send the service bulletin to belarus27@gmail.com thank you very much
Senior Member
Joined: Mar 2015
Posts: 390
Likes: 26
From: USA
Mercedes-Benz 2007 S550, 2012 S550 4-Matic, 2014 S550 (Traded), 2015 GL450
Easiest thing is to get the sway bar assembly replaced. From what I could tell, the bushings come fixed to the sway bar now in the dealer stock so the techs don't have to mess with the adhesive. It'll cost about $400 parts and labor.
Senior Member
Joined: Mar 2015
Posts: 390
Likes: 26
From: USA
Mercedes-Benz 2007 S550, 2012 S550 4-Matic, 2014 S550 (Traded), 2015 GL450
I think there were already three guys asking the same thing about buying KEYLESS GO buttons this year.
MBWorld Fanatic!
Joined: Jun 2013
Posts: 1,900
Likes: 210
From: Sacramento , CA
2010 e550 p2
you know , when you going through pages on your phone sometimes you cant see obvious things , i dont think its that hard to help a brother out and just post a link or the file itself , just like konigstiger did, thanks to him.
) you guys have a blessed day/night
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Member
Joined: Oct 2013
Posts: 77
Likes: 1
Bus Honda accord bus
Fixed it!
My new to me 2007 S550 with 220K was doing the same problem. The previous owner had replaced the entire front suspension including the sway bar and could not figure out where the noise was coming from so I bought the car for incredibly cheap. I use a five dollar pack of Loctite adhesive epoxy and let it sit overnight. I followed the same directions as the Mercedes bulletin sanding all the surfaces, cleaning with rubbing alcohol and glued overnight. I generously applied the entire tube of adhesive and wiped away the excess with paper towels. The car now drives PERFECT. I could see on the frame of the car where the swaybar metal mount had rubbed on the metal. This was probably causing some play and the banging noise in swaybar. The only question I wonder is the sway bar would probably be very hard to remove if you had to later change it again, so I would probably only do the glue method to a newer sway bar that has new mounts.
Last edited by Mulletmudbogger; Jun 29, 2016 at 10:37 AM.
Newbie
Joined: Sep 2016
Posts: 1
Likes: 0
mercedes s class s320 cdi
Do any of you guys get uneven tyre wear? Also, when driving, if you jerk the steering wheel left and right violently, do you get the noise or is only when going over speed bumps?
My car has developed this noise and is getting worse. It only does it when going over speed bumps, or when i raise/lower the car on the jack, so basically only on longer suspension travel. But then, i raised the car, took wheel off, proped a stand under the lower wishbone and lowered the car, it did not make the noise. So it only seems to upset it when load going through the wheel.
Anyhow, i cannot not believe that the fix that MB has come up with, for one of their flagship models, for a suspension component that is subjected to vibration and torque, is to glue it!!
My car has developed this noise and is getting worse. It only does it when going over speed bumps, or when i raise/lower the car on the jack, so basically only on longer suspension travel. But then, i raised the car, took wheel off, proped a stand under the lower wishbone and lowered the car, it did not make the noise. So it only seems to upset it when load going through the wheel.
Anyhow, i cannot not believe that the fix that MB has come up with, for one of their flagship models, for a suspension component that is subjected to vibration and torque, is to glue it!!
Newbie
Joined: Apr 2021
Posts: 4
Likes: 0
S400
I am having the same issue and am going to replace the Sway bar. This is for a rear wheel drive W221. The WIS says that you need to disable the Airmatic suspension via STAR/Xentry before disassembling the sway bar. Is this needed? All else seems straightforward in the directions. I planned on unbolting the linkage on each side then the mounting brackets for the sway bar and replacing.
Member
Joined: Oct 2013
Posts: 77
Likes: 1
Bus Honda accord bus
I am having the same issue and am going to replace the Sway bar. This is for a rear wheel drive W221. The WIS says that you need to disable the Airmatic suspension via STAR/Xentry before disassembling the sway bar. Is this needed? All else seems straightforward in the directions. I planned on unbolting the linkage on each side then the mounting brackets for the sway bar and replacing.
Forget all those extra steps. Just unbolt the sway bar from the frame and the sway bar end links.
i think WIS is making it more complicated than it has to be by disabling the airmatic.
Last edited by Mulletmudbogger; Oct 1, 2021 at 09:04 PM.
MBWorld Fanatic!
Joined: Oct 2010
Posts: 5,142
Likes: 1,293
From: Southern US
2010 E550, 273 Engine: 2012 S550, 278 Engine
Newbie
Joined: Oct 2021
Posts: 1
Likes: 0
2007 S550
Pls forward a copy to solo12c@yahoo.com
