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Rear Window Power Issue

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Old Jul 19, 2022 | 11:57 AM
  #1  
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From: Upstate, NY
2015 MB C300 4matic sedan
Rear Window Power Issue

I noticed on '15 c300 that my left rear window will go down but will not raise with either window switch. If I use the key fob to raise the windows, it then closes.
What could be causing this and is there something I could do to reset it?
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Old Jul 19, 2022 | 03:12 PM
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A short in the driver's side window switch, buy it off of here https://www.aliexpress.com/item/33041347830.html and have this guide handy
to replace it.
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Old Jul 19, 2022 | 04:28 PM
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Thanks for the info. Have you replaced yours? I'm curious to know if these replacements fit like the originals.
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Old Jul 19, 2022 | 07:32 PM
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Originally Posted by mot76
Thanks for the info. Have you replaced yours? I'm curious to know if these replacements fit like the originals.
Yes I did, unfortunately I can't provide you with a pic as I traded the car in. The fit, feel and finish was on par with OEM if not better as the light appeared to shine through better during the night.
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Old Jul 19, 2022 | 08:43 PM
  #5  
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Sounds good to me. I’ll give it a try.
Thanks again.
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Old Jul 20, 2022 | 02:24 PM
  #6  
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When removing the switch, do you have to first remove the trim bezel or will they both come out together?
The video doesn't really specify that.
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Old Jul 20, 2022 | 02:26 PM
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Originally Posted by mot76
When removing the switch, do you have to first remove the trim bezel or will they both come out together?
The video doesn't really specify that.
The trim comes out first from what I remember, it was a bit snug inside so I used a heat gun to make sure it doesn't break on its way out.
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Old Jul 21, 2022 | 02:32 AM
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door buttons

If you don't own a scanner buy one!

The door modules, buttons, windows and locks are starting to cause problems ... a scanner will save you time.

Aboid rain on these buttons, tiny circuit traces are easy to bridge with oxidation then they act up.
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