E-Class (W211) 2003-2009

Passenger seat rocking...dealer wants $1900 to fix it!

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Old Mar 30, 2018 | 05:48 PM
  #26  
diesel315's Avatar
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E320 CDI, Jetta 06 TDI, GLS450 20, Boat:2 Volvo TAMD75+1 Kubota genset

Fixed rocking front seat, thanks to Dirkintl11 I knew where to look, took 30seconds to remove bolt, my whole bushing was gone, just a few pieces left.
Once removed screw, you see where the rocking motion occurs. Other side bushing was OK no play. Hold nut from inside with blade of screwdriver.
I replaced with a plumbing seal from a faucet repair kit, I had to shave it a little and then put place, carefull it is not very tight at all, I think if you tighten this up you will defeat airbag sensor for passenger(detects weight on seat)!!!! Caution-I made shure somebody "light" sat on seat and "airbag off" light went off. Done !!

Last edited by diesel315; Mar 30, 2018 at 06:04 PM.
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Old Dec 3, 2018 | 01:07 PM
  #27  
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2005 E320 CDI, 2015 GLA 250
Ugh! I didn't realize the bushing could be worn, so I over-tightened mine and broke off the nut. It seems the bolt can no longer be purchased alone, only with the whole $240 seat weight sensor.

I'm going to look in a salvage yard car.

Peter
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Old Dec 6, 2018 | 12:46 PM
  #28  
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From: Charlotte, NC
2005 E320 CDI, 2015 GLA 250
Originally Posted by ptkacik
Ugh! I didn't realize the bushing could be worn, so I over-tightened mine and broke off the nut. It seems the bolt can no longer be purchased alone, only with the whole $240 seat weight sensor.

I'm going to look in a salvage yard car.

Peter
So I got the salvage yard bolt. Now where do I get the faucet bushing to stop the rocking?
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Old Dec 8, 2018 | 11:14 PM
  #29  
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Guess what? There are four seat sensors and they all take a special shoulder bolt. Because the floorboard was soaked in back, I removed a front bolt, only to find that doesn't fit. Today I returned to the salvage yard to get the right rear bolt. I also found a good bushing and installed them. The shoulder bolt torques to 10nm and the short torx screws under the seat sensor torques to 18nm. I used Locktite red.

the airbag light didn't come on but I'm not sure all of the seat rocking is fixed.

regards,
Peter
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Old Sep 20, 2020 | 08:21 PM
  #30  
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2005 E320, 2008 E320 Bluetec
Sorry to bump an old thread but I'm in the same boat right now. Shattered right rear plastic bushing and broken bolt. Has anyone found a good source of these bolts and bushings that's not in the hundreds of dollars?

Thanks!
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Old Sep 21, 2020 | 12:28 PM
  #31  
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I found both at a salvage yard for little money but it did take some effort to pull the bits out.

The round bushing seems like something that could be made easily in a 3D printer.

Peter
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