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Homelink on mirror - no lights at all - 2012 e63

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Old 06-19-2020, 02:59 PM
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Homelink on mirror - no lights at all - 2012 e63

Seems my homelink is D-E-A-D

The drivers side map light works fine, passenger does not, neither does the homelink system.

Any ideas? Is this just a lost cause?
Old 06-19-2020, 09:17 PM
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2013 E63 P30, 2010 GL550
Check fuses. Use a metal ruler or sturdy flat object at the rear edge (pano) to open the overhead lamps cluster. Examine and reseat connectors from the mirror, check wires for damage. If someone messed in there to install/uninstall a dashcam or some other work, it may be the cause. Hope this helps. Good luck.
Old 06-29-2020, 03:03 PM
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Took out the overhead console and the inside rear view mirror.

It would seem I'm getting power to the mirror but the homelink still does not work. Additionally, the passenger side map light does not seem to illuminate and I cannot find which lead supplies the power to that light. The drivers side map light works and I found that is supplied by pin 5 (3rd from lock, top row) on the 7 pin connector to the mirror.
Old 06-29-2020, 06:18 PM
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2013 E63 P30, 2010 GL550
It may be time to look for the mirror replacement (on eBay, etc.) if the functions are truly important to restore. Used prices on eBay are $25-100, but it depends on color, options, and condition. Otherwise, and to be pragmatic, a basic garage clicker may be all you need. You can get the mirror part number from any dealer based on your VIN. My mirror is A2048104217 7E94 (color code 7E94 for Alpaca Gray). Yours is black, and so it is widely available.

Last edited by maxusa; 06-29-2020 at 08:02 PM.
Old 06-29-2020, 07:35 PM
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Yea, I'll likely have to do that if I really want it to work.

In the meantime, I made a video on how to install the mirror the easy way.

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Old 06-29-2020, 08:05 PM
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2013 E63 P30, 2010 GL550
It looks like your mirror is black. The price of the issue is around $25-30 on eBay, which you can return if it does not work.

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