E-Class (W212) 2010 - 2016: E 350, E 550
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LED lamps for LED tail brake repair 2129060158

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Old Nov 24, 2025 | 07:57 PM
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84 300d 2009 e320 bluetec (retired)/, now 2012 E350 4-matic blueefficiency automatic
LED lamps for LED tail brake repair 2129060158

I have 2 LEDs not working in the inner tail light for the brake. It's may be the same bulbs for the out tail light on the W212. The assemblies part numbers are 2129060158, 2129060258 (inner) and outer are 2129060758 and 2129060858.
The two upper LEDs out of 4 are out. What the size and watt for the bulbs. Where to get them? I am assuming that I can cut the ABS to get to the board and desolder the bulbs and replace them. Does anyone know the cut out area and location?
2012 e350 4-matic with bi-xenon headlight package (HID).

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Old Nov 25, 2025 | 09:50 PM
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'13 GLK350 4matic,'10 C207,'15 GLA250,'07 Honda Odyssey, '18 GLE 43, '24 EQS 580
Originally Posted by dave2001auto
I have 2 LEDs not working in the inner tail light for the brake. It's may be the same bulbs for the out tail light on the W212. The assemblies part numbers are 2129060158, 2129060258 (inner) and outer are 2129060758 and 2129060858.
The two upper LEDs out of 4 are out. What the size and watt for the bulbs. Where to get them? I am assuming that I can cut the ABS to get to the board and desolder the bulbs and replace them. Does anyone know the cut out area and location?
2012 e350 4-matic with bi-xenon headlight package (HID).
those are non-serviceable bulbs but to the red neck mechanic anything is repairable. I have seen the 3rd brake light diodes on ebay but not the actual tailight. If you will ask someone to do the swap just go to a wrecker and buy one intact. There are also 3rd party lamp assembly that is a direct swap found on ebay as well. Try those as they are direct fit.
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Old Nov 28, 2025 | 07:31 PM
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84 300d 2009 e320 bluetec (retired)/, now 2012 E350 4-matic blueefficiency automatic
I found a new one for $50 including shipping and tax.
I might eventually get around replacing the one or two LED lamps. I have a key chain Li button battery LED lamp that I can use as salvage.
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