GL Class (X166) 2013-2015 after facelift became GLS (X166)

how to replace 3rd row seat belt guide

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Old Aug 1, 2016 | 04:39 PM
  #1  
byroncheung's Avatar
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2013 GL450
how to replace 3rd row seat belt guide

My wife broke the little plastic clip that are used to hold / guide the 3rd row seat belt. I found and bought the part (part no. 16686900149051 , you can look at this picture to get a better idea which clip I'm talking about, item 4 in the pictures)




However it isn't trivial how to replace it. I took out the side trim at the end of the trunk (which just pop right off from pulling), poke my head inside, hoping to find a screw that fasten it to the panel. However instead found some sort of plastic peg that hold it in place, not sure how to remove it. Scared to try pry it off by force, worrying it will break that peg as well, and the peg is not listed on the part list, not sure if I can get replacement if if I break it.

Anyone tried this? Maybe I didn't describe this good enough I will try to upload some pictures when I get home tonight.

Last edited by byroncheung; Aug 1, 2016 at 04:43 PM. Reason: provide picture of the question
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Old Aug 22, 2016 | 07:10 PM
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2014 GL350; 2011 E90 M3
Have the same issue. Please let us know if you resolve it.
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Old Aug 27, 2016 | 06:05 PM
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2014 GL350
Replace seat belts

I've taken all the belts out of my 2014 GL350 before and it's not terribly hard. I am not sure, but I don't believe that guide piece is separate. I can check tonight on mine (I have it removed right now).

Last edited by vladislav3; Aug 27, 2016 at 06:08 PM.
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Old Aug 27, 2016 | 07:54 PM
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2014 GL350; 2011 E90 M3
Byron is referring (I believe) to the retaining clip that keeps the belt from flopping around when the seats are down.
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Old Jun 4, 2018 | 06:41 PM
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Any update on how the guide installs? I just ordered the same part for my new-to-me GL.
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Old Jun 4, 2018 | 07:26 PM
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2013 GL450
No I never figured out, at the end I had to do some rear bumper work and I asked the bodyshop to do me a solid to replace it. The guy said the piece wasn’t even attached with a screw or anything, but the end is melted / or plastic glued in place. Just happy that I got it done for free...
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Old Jun 4, 2018 | 07:38 PM
  #7  
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Originally Posted by byroncheung
No I never figured out, at the end I had to do some rear bumper work and I asked the bodyshop to do me a solid to replace it. The guy said the piece wasn’t even attached with a screw or anything, but the end is melted / or plastic glued in place. Just happy that I got it done for free...
Ok, thanks for the insight. The broken one in my GL looks like it was held in place with some sort of glue, so that makes sense.
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Old Jun 4, 2018 | 07:49 PM
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Yeah I just never figured out how to take that trim apart to be able to get to the back of the trim... if you find out, let me know... I feel like it’s just a matter of time it will break again...
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Old Jun 4, 2018 | 07:53 PM
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2013 GL450
If it’s just glued to begin with I guess one way would be to just grind away the remaining bit and epoxy glue the replacement in...
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Old Jun 4, 2018 | 08:47 PM
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I'm out of town right now so I'll have a look when I get back. I assumed some sort of pan head screw held it in place from behind the panel, but maybe not. I'll update when I have a look since this sounds like a common issue on the GL.
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Old Jun 30, 2018 | 03:09 AM
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vladislav3

You mention about removal of the seat belts before, can you give me some advice about this please? Im going to change the C & D pillar trims in my GL63 soon (along with A pillars) because I hate the light grey colour headliner on my black with black vehicle, obviously the C & D pillars will need to detach the seatbelts from the body to remove and refit.

Thanks

Carl
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Old Jan 13, 2020 | 06:07 AM
  #12  
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GL 350 EDITION S 2016
Hello came across this post from 2016 as I was doing some research as it seems to be a common thing to break these seat belt clips.
I note the part number you listed, is that a generic part number regardless of the country of residence? I am from Australia.
Just trying to source one and work out how to fit it.
Thanks for any further help if you have any.
Cheers, Andrew
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Old Feb 2, 2022 | 05:16 PM
  #13  
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2013 GL450
Originally Posted by Alexander3
Hello came across this post from 2016 as I was doing some research as it seems to be a common thing to break these seat belt clips.
I note the part number you listed, is that a generic part number regardless of the country of residence? I am from Australia.
Just trying to source one and work out how to fit it.
Thanks for any further help if you have any.
Cheers, Andrew
I would have a hard time imagining that part will be different for different countries...
Sorry for a reply 2 years late...
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