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

Driver Side Window One-Touch close

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Old Jan 22, 2024 | 10:57 AM
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2012 E Cabrio, 2015 GL , 2017 B ED & 2024 GLS
Driver Side Window One-Touch close

Hello everyone,

our 2015 has been earning a living on Turo for a few months, to reasonable success. The last guest, unfortunately, trashed the car a little - nothing that can't be fixed with a bit of cleaning and some ozone. However, one thing that surprised me is that the driver-side window no longer one-touch closes. It did so fine for as long as we've had the car (2018), it opens one-touch, too. When I manually close it by holding the button, it will close all the way and then slightly reopen, until I close it again. Very peculiar behavior.

My first instinct is that there is a level of resistance in the mechanism because something got jammed. Before I take the door apart (not excited about this, in sub-30 degrees), has anyone seen this behavior before? Any suggestions? I don't see any errors being thrown anywhere...

Thanks all
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Old Jan 22, 2024 | 09:04 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Should just need to be recalibrated: hold the switch all the way into the "one touch close" until the window is closed - plus a few more seconds. That should relearn the computer where "closed" is.
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Old Jan 23, 2024 | 10:02 PM
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That fixed it, thank you! Never knew this was a thing.
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Old Jan 25, 2024 | 08:06 PM
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At this point, I should have chosen a different name for the thread...

I noticed a few other things that no longer work how I expect them. Any suggestions are greatly appreciated.

When folding the second row seats, the passenger seat moves forward on its own to make room. The driver seat no longer moves. Any idea where I can reset this?

Let's say that I've had the need to ventilate the car aggressively since it was last returned, so I pressed the open button on the key long enough for all windows to open. Guess what I didn't expect - the driver-side seat vents also came on, with the ignition off, with all three blue lights on the dash on and everything. Interestingly, though, if I press the button, it doesn't go down to two lights, it switches straight off. It stays on when starting the car.

I think that's all!

Thanks for any feedback (and for all commiserations).
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Old Jan 25, 2024 | 09:37 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
The front seats are programmed to move forward when the rear seats get dropped. That is Mercedes' way of protecting the rear headrest from getting jammed up. There's a setting somewhere in the body chassis control module that can be flipped to "off"; a search of my posts in the W212 subforum from maybe 3 years ago tells the path to the bit to flip. It was one of the first things I did on my E350 when I got it. I got my E350 just after my sister sold hers and one of her complaints was exactly what you describe. Makes it pretty uncomfortable in the front seats when that program kicks in. She was really annoyed that I was able to disable that "feature" for mine after living with it for 4 years.

I don't have any ideas for yo on the ventilation issue other than to say that flushing all the hot air from the vents seems like a good feature as does turning on the seat fans (the 3 blue lights?).

Found it:
https://mbworld.org/forums/e-class-w...right-now.html

Last edited by rapidoxidation; Jan 25, 2024 at 09:46 PM.
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