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

Driver's seat moving

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Old Apr 17, 2018 | 03:18 PM
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2013 GL350
Driver's seat moving

The part of the seat which you directly sit on seems to be moving when the vehicle shifts weight(on turns). The seat itself doesn't move but i can feel something underneath me moving left and right and it clicks when its in the end position. Any DIY quick fixes for this?
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Old Apr 17, 2018 | 03:51 PM
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2015 - GL 550
Originally Posted by limiteddi
The part of the seat which you directly sit on seems to be moving when the vehicle shifts weight(on turns). The seat itself doesn't move but i can feel something underneath me moving left and right and it clicks when its in the end position. Any DIY quick fixes for this?

I too have similar symptoms since I bought it new on 2015 GL550 and multiple Dealer trips couldn't resolve it. So just left it as is.

Thanks
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Old Apr 17, 2018 | 04:38 PM
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GL350 Bluetec and GLS580
Ditto. I'm trying to loose weight to fix it.

Originally Posted by limiteddi
The part of the seat which you directly sit on seems to be moving when the vehicle shifts weight(on turns). The seat itself doesn't move but i can feel something underneath me moving left and right and it clicks when its in the end position. Any DIY quick fixes for this?
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Old Apr 19, 2018 | 07:41 AM
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Mine does it too, 2013 GL63

I have MB AMG warranty but apparently seats arent covered, they dont know what it is though so not paying for ongoing diagnostic until somebody figures out what’s happening
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Old Apr 19, 2018 | 05:51 PM
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GL350 Bluetec and GLS580
I don't think it's loose seat rails, instead I believe it's the coils or springs in the seat pad .

Last edited by DC-BENZ; Apr 21, 2018 at 08:50 PM.
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Old Apr 20, 2018 | 02:43 AM
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I agree, my cushion feels like its broken down and has started to fall between the springs, I have a crease in the leather down the centre of the seat
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Old Apr 20, 2018 | 08:12 PM
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2013 GL350
Hmm but it almost feels like the part which is right underneath the driver is a separate part of in the seat mine fee's like it moves 1/8 inch left to right.

Last edited by limiteddi; Apr 20, 2018 at 08:22 PM.
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Old Apr 21, 2018 | 02:11 AM
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Yes i get that movement feeling occasionally and the clunking thst feels like its in the back part of the seat base a lot

Mercedes dealer suggested if I pay for diagnostic time to remove cover etc then they find defects that are warranty claims the diagnostic fee will be returned, its just the question of likelihood of them putting repairs through under warranty because I dont have a great success rate, they prefer to say not covered and get no work than say its covered and get the repair job!!
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Old Apr 21, 2018 | 09:07 PM
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GL350 Bluetec and GLS580
That's strange.. Here's a diagram for the seat.


Originally Posted by carlosamg50
I agree, my cushion feels like its broken down and has started to fall between the springs, I have a crease in the leather down the centre of the seat
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Old Apr 21, 2018 | 09:08 PM
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GL350 Bluetec and GLS580
Do you think it's our weight?
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Old Apr 22, 2018 | 06:44 AM
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AMG GLS63
My last vehicle, the smaller brother ML63 W166 suffered the same noises, its a design flaw in my opinion, Ive viewed newer GLS63’s and can see the seat centre starting to drop down compared with the passenger fron seat which obviously gets less use

Pretty poor quality all things considered
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