GLE Class (W166) Produced 2015-2019

Installing aftermarket side running boards with led lights

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Old Jun 25, 2025 | 11:59 AM
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clb0099's Avatar
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
Installing aftermarket side running boards with led lights

Hello,


I have a 2016 Mercedes GLE and recently added aftermarket side running boards with LED lights. To integrate these lights with my vehicle's existing systems, I plan to connect the positive and negative wires to the side rear mirror puddle lights. Will this connection work, and are there any potential risks or issues associated with this approach? Ideally, I would like the LED lights to illuminate when I lock or unlock the vehicle.
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Old Jan 6, 2026 | 09:05 PM
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From: at the mercedes dealer next to you
2020 GLE350 2020 Toyota Rav4H AWD XLE
Originally Posted by clb0099
Hello,


I have a 2016 Mercedes GLE and recently added aftermarket side running boards with LED lights. To integrate these lights with my vehicle's existing systems, I plan to connect the positive and negative wires to the side rear mirror puddle lights. Will this connection work, and are there any potential risks or issues associated with this approach? Ideally, I would like the LED lights to illuminate when I lock or unlock the vehicle.
I had them on my ML350, the way that it works is not the same as the puddle lights. It works in its own independent manner. I would suggest taking it to a Mercedes shop that does that stuff do get it to work.
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Old Jan 6, 2026 | 10:02 PM
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Thank you for the response but I was able to install them with no issues and didn’t need anything extra to make it work with oem



QUOTE=drwolf;9251278]I had them on my ML350, the way that it works is not the same as the puddle lights. It works in its own independent manner. I would suggest taking it to a Mercedes shop that does that stuff do get it to work.[/QUOTE]
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Old Jan 6, 2026 | 10:07 PM
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2016 GLE 350
So, did you have to tap into the mirrors or was there connections there already to
plug the new running boards into?

Originally Posted by clb0099
Thank you for the response but I was able to install them with no issues and didn’t need anything extra to make it work with oem



QUOTE=drwolf;9251278]I had them on my ML350, the way that it works is not the same as the puddle lights. It works in its own independent manner. I would suggest taking it to a Mercedes shop that does that stuff do get it to work.
[/QUOTE]
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Old Jan 7, 2026 | 12:15 AM
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I didn’t use the mirrors.. all custom stuff done
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