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

Rear brake light

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Old 06-09-2018, 05:16 PM
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Rear brake light
Hello have gotten great advice here! Need to replace rear brake light.....is this doable on my own (I’m not a mechanic)?

Thanks for the directions!
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Old 06-09-2018, 06:18 PM
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The reg outer lights?!? Very easy.
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Old 06-09-2018, 06:36 PM
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Rear brake light came on dash....
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Old 06-10-2018, 12:14 AM
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Easy to remove the side panel and remove bulb. Takes maybe 5min. Helps to have something to pry the panel from the top of the driver side. Don’t recall the pass side being hard

I swapped mine out with LED.
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Old 06-10-2018, 09:02 AM
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Thank you!
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Old 06-10-2018, 01:39 PM
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MNMBbuyer,

Here are two videos on how to replace the bulbs - very DIY. If you are going the LED route, you will require resistors.


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Old 06-10-2018, 02:39 PM
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Another option over resistors is to just wire in a 1156 bulb socket and move the factory bulb to it and put the LED bulb in the factory holder. That’s what i have always done as simple and resistors have given me issues.
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Old 06-11-2018, 10:57 AM
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2013 GL450
could you re-explain what you mean by wire in a 1156 socket? Just curious, as I've already replaced my halogen bulbs with LED with canbus and the 2013 model year uses a 1156 socket.

Originally Posted by black06c230
Another option over resistors is to just wire in a 1156 bulb socket and move the factory bulb to it and put the LED bulb in the factory holder. That’s what i have always done as simple and resistors have given me issues.
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Old 06-11-2018, 05:21 PM
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Originally Posted by vivaitalia
could you re-explain what you mean by wire in a 1156 socket? Just curious, as I've already replaced my halogen bulbs with LED with canbus and the 2013 model year uses a 1156 socket.
if using canbus bulbs then no need to wire anything in.

But to answer you get a 1156 or what size needed socket with wires and just tap into the stock wires to the bulb you are replacing. Move OE bulb to new socket and put LED in the OE socket.
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Old 06-24-2018, 07:28 PM
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Thanks for the great post maneesh, i was able to replace the rear tail light on my 2015 GL450.
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Old 07-15-2018, 04:22 PM
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I found these LED bulbs to be a perfect swap, no error code, no hyper flash, instant on and much brighter. 5 mins plug and play swap.

Amazon Amazon
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Old 07-16-2018, 09:08 AM
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These were the ones I used about a year ago ... no errors ... at the time it was the highest lumens (~1,500) I could find that didn't give me error codes ...

https://amzn.to/2PBm96R https://amzn.to/2PBm96R
Last edited by vivaitalia; 08-25-2018 at 02:56 PM.
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Old 08-25-2018, 12:21 PM
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Originally Posted by htce38
I found these LED bulbs to be a perfect swap, no error code, no hyper flash, instant on and much brighter. 5 mins plug and play swap.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
FWIW, I tried these bulbs for the brake lights and it resulted in error codes on both sides.

YMMV.
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Old 08-25-2018, 02:57 PM
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I got no error codes with these on my 2013 GL450

https://amzn.to/2PBm96R

Originally Posted by cadetdrivr
FWIW, I tried these bulbs for the brake lights and it resulted in error codes on both sides.

YMMV.
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