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How to Replace Your Stabilizer Bar Links
 
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Pelican Technical Article:

How to Replace Your Stabilizer Bar Links

Steve Vernon

Time:

2 hours2 hrs

Tab:

$25

Talent:

**

Tools:

Set of sockets (16mm), 15 or 16mm wrench

Applicable Models:

Mercedes-Benz W203 (2001-07)

Parts Required:

Stabilizer link

Hot Tip:

Inspect the links the next time you raise your car

Performance Gain:

Tighter handling

Complementary Modification:

Replace sway bar bushings

The stabilizer or sway bar links (sometimes referred to drop links) on the Mercedes W203 connect the vehicle stabilizer bar (or sway bar) to the front struts. Over time, the connecting link wears out and gets play in the ends. When they begin to fail, you may have a knocking noise in the front end when driving over bumps or when steering the vehicle. If you suspect your stabilizer link is going bad, jack up the front of the vehicle and wiggle the wheel back and forth, while wiggling the wheel, listen for a noise from the link. If no noise is heard, place your hand around the ends of the link and monitor for looseness as you wiggle the wheel.

Begin by safely raising and supporting the vehicle. Please see our article on jacking up and supporting your Mercedes.

Remove the front tires.

With he tires removed you will see the sway bar links that connects the stabilizer bar to the strut. You will need to remove the link from where it attaches to the strut by holding the large nut with a 16mm wrench and turning the smaller inner bolt with a 7mm and push the link out of the strut and set it aside.

Next move the where the link attaches to the stabilizer bar and using the 7mm and 16mm wrenches remove the lower link.

The stabilizer bar is not under stress or pressure so you do not need to worry about things moving with the links off.

Unlike the rear links the fronts will work on either side. Simply bolt up the new links and you are done.

This photo illustrates the drop link that attaches the sway bar (red arrow) to the strut (yellow arrow).
Figure 1

This photo illustrates the drop link that attaches the sway bar (red arrow) to the strut (yellow arrow).

You will need to remove the link from where it attaches to the strut by holding the large nut (red arrow) with a 16mm wrench and turning the smaller inner bolt (yellow arrow) with a 7mm.
Figure 2

You will need to remove the link from where it attaches to the strut by holding the large nut (red arrow) with a 16mm wrench and turning the smaller inner bolt (yellow arrow) with a 7mm.

Push the link out of the strut (red arrow) and set aside (I like to reattach the hardware when possible (yellow arrow) to make finding it for reassembly easier).
Figure 3

Push the link out of the strut (red arrow) and set aside (I like to reattach the hardware when possible (yellow arrow) to make finding it for reassembly easier).

You will need to remove the lower link from where it attaches to the stabilizer bar by holding the large nut (yellow arrow) with a 16mm wrench and turning the smaller inner bolt (red arrow) with a 7mm.
Figure 4

You will need to remove the lower link from where it attaches to the stabilizer bar by holding the large nut (yellow arrow) with a 16mm wrench and turning the smaller inner bolt (red arrow) with a 7mm.

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Comments and Suggestions:
vito Comments: HI Nick,I have a 2002 c230k. Driving the car in to a right or left turn the steering wheel pulsates a pull into the opposite direction of the turn.I've replaced power steering pump and the car is the same. Any advice from you would be helpful before I purchase a steering rack.
August 16, 2015
  Followup from the Pelican Staff: Does it do this in both directions? if so, the rack may be faulty. - Nick at Pelican Parts  
ce.gtzvel Comments: Should I apply loctite blue to the threads of the stabilizer bar links?
March 9, 2015
  Followup from the Pelican Staff: No, I think the nuts are self-locking. - Nick at Pelican Parts  
jesse883 Comments: How do u take the rear lower control arm off of a ml320 01
January 5, 2015
  Followup from the Pelican Staff: Here is the article list of what we have that may apply to your vehicle.

http://www.pelicanparts.com/techarticles/MBZ_Tech_Index-W203.htm

We don't currently have that tech article. If we get a chance to perform the procedure, we will be sure to document it.

I would grab a repair manual. It will have the procedure, special tools and torque specs.

Give our parts specialists a call at 1-888-280-7799.

- Nick at Pelican Parts
 
Engapol Comments: Is this possible without having to remove the front tires?
December 2, 2014
  Followup from the Pelican Staff: Don't think so, but I have never tried. - Nick at Pelican Parts  
lourace Comments: I am living in Saudi Arabia wont to know if spare part of c240 modile2001-2004 is the same as 4matic c240 modile 2005
senserlly glad your helping us
November 13, 2014
  Followup from the Pelican Staff: I believe they are the same chassis. - Nick at Pelican Parts  
pistolfin Comments: I found that the existing links and oem replacement links had torx fittings on the bolt instead of hex. The upper nut was an 18mm, which I did not have on hand. C240 4matic wagon with non-sport suspension. Thanks for the DIY and nice pics.
November 11, 2013
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
Rickdo Comments: Thank you so much Bro because my Benz Shop was charging me over $700 for doing both.
October 15, 2013
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help. - Nick at Pelican Parts  

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