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Pre-Facelift headlights to Facelift headlights wiring?

Old 08-09-2014, 08:38 PM
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2008 C63 AMG, 2009 C300 (Sold), 2003 SL55 AMG (Sold) , 2013 S550 W222 (Sold)
Pre-Facelift headlights to Facelift headlights wiring?

Can somone help me, I am trying to upgrade to facelift headlights and the wiring harness is different? Can someone point me in the right direction?
Old 08-10-2014, 01:18 PM
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anyone have any ideas?
Old 08-10-2014, 02:56 PM
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For anyone else looking, I think I have found the part for the wiring harness connector adapter whatever for facelift headlights

Part number
A 052 545 60 26
http://www.partsdiscounters.com/oe-m...enz/0525456026
BELL HOUSING - Mercedes-Benz (052-545-60-26) (NON XENON)


I was unable to locate the Xenon's however I do have the part number
Part number
A 052 545 56 26
Old 08-10-2014, 03:13 PM
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C250
Good info. So you are re-pinning the original pre-face harness with facelift plug?
Old 08-10-2014, 05:01 PM
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2008 C63 AMG, 2009 C300 (Sold), 2003 SL55 AMG (Sold) , 2013 S550 W222 (Sold)
Ya, Im going to take out everything from the current harness, and switch it to the new one. Anyone have any wiring diagrams or DIY's to make this easier?
Old 08-11-2014, 02:07 PM
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08 mercedes c350 p2
^+1
Old 08-11-2014, 02:47 PM
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W204
Just did this, it wasn't bad. What model is your car? And do you have the regular halogen headlights or the ones with bi-xenons? Cause the wiring diagrams are different between them.
Old 08-11-2014, 02:48 PM
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Got everything working, but it's throwing an error code for the parking lamp cause I had to wire both parking lamps signal together to make the "C" LED brighter.

Here's the results, they look awesome all lit up.
Old 08-11-2014, 05:57 PM
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I have the regular ones not the upgraded ones.
Old 08-11-2014, 05:59 PM
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Can you take a picture of the wiring harness from several angles and post the diagrams you used to do it? (Currently don't have headlights until I do this)
Old 08-11-2014, 06:17 PM
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Anyone wanting to do headlights, there is information and diagrams in this thread

https://mbworld.org/forums/c-class-w...ml#post6132300
Old 08-12-2014, 09:20 AM
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So, the diagram that one dude posted gave you everything you need to know about the pinouts on the headlight, all you need to know is the matching wires to splice to on the car. The attached pdf is the wiring diagram you need. Just use the legend to figure out which wire does what and you're golden. You will see that there are two parking light wires, I ended up splicing them together to make the "C" LED brighter because the voltage from one wasn't enough to make it match the DRLs.
Attached Files
File Type: pdf
VIN 09_mycar_328745.pdf (208.1 KB, 3086 views)
Old 08-12-2014, 09:25 AM
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Also, from the 10 pinout plug on our car, you can see the following:

2009 Plug
1 - (brown wire) - Right wheelhouse ground point
2 - (yellow wire) - Right Low Beam
3 - (white wire) - Right High Beam
4 - (gray/white wire) - Right front standing and parking lamp
5 - (gray/red wire) - Right front standing light 2
6 - (black/green wire) - Right front turn signal lamp
7 - (black/blue wire) - *not sure*
8 - (green/blue wire) - *not sure*
9 - (brown wire) - Right wheelhouse ground point

Any of the brown wires can splice with the negative ground points you need. Then match up the Low beam wire from the headlight to the #2 (yellow wire) on the car. Match high beam wire from headlight to the #3 (white wire) on the car. Match the #6 (black/green wire) to the turn signals. Match the #4 and #5 wires to the "C" LED or parking lamp. That's it, easy as pie.
Old 07-30-2015, 01:41 PM
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The green/blue wire, you connect that with the "c" wire it stay on like drl even when the light is on
As for the black/blue you can tap that to the drl fog to the green wire not "brown" and you'll get full brightness even during night time when headlights turn on
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Old 07-30-2015, 03:39 PM
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Originally Posted by Jpslikk
The green/blue wire, you connect that with the "c" wire it stay on like drl even when the light is on
As for the black/blue you can tap that to the drl fog to the green wire not "brown" and you'll get full brightness even during night time when headlights turn on
haha, nice, looks like you finally got your wiring finished?
Old 07-30-2015, 05:57 PM
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Originally Posted by romeo291
haha, nice, looks like you finally got your wiring finished?
Haha, thanks to you romeo291 to brek it down for me and like I said before your my to go guy guide. Lol
Old 05-11-2016, 02:07 AM
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Wonderful information! I was starting to become discouraged but this thread is very helpful! Thank you!
Old 05-11-2016, 02:22 AM
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Here is where to obtain the Xenon harness http://www.mboemparts.com/oe-mercedes-benz/0525455626
Old 03-22-2017, 10:09 PM
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Originally Posted by crehop
Can somone help me, I am trying to upgrade to facelift headlights and the wiring harness is different? Can someone point me in the right direction?

Yes i can help you ..
Please write to me private message
Old 12-29-2017, 10:13 AM
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Could you help me please I have done the headlight change on my car and carnt seem to figure out the wiring can you help me what wire goes were please and the ones I need to out together? Thankyou
Old 02-18-2018, 04:22 PM
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c250 sport
headlight conversion

hi Romeo I need help on wiring and coding as I only got the bi xenon main beam and no flash no c led and no indicator my car is 2010 and it' got facelift front end done but need help to sort the headlight out can u send me pic of ur wiring n how u done it n what wire goes where n I got bi xenon plug

can you help me.plz romeo
Old 02-18-2018, 04:24 PM
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Originally Posted by romeo291
Also, from the 10 pinout plug on our car, you can see the following:

2009 Plug
1 - (brown wire) - Right wheelhouse ground point
2 - (yellow wire) - Right Low Beam
3 - (white wire) - Right High Beam
4 - (gray/white wire) - Right front standing and parking lamp
5 - (gray/red wire) - Right front standing light 2
6 - (black/green wire) - Right front turn signal lamp
7 - (black/blue wire) - *not sure*
8 - (green/blue wire) - *not sure*
9 - (brown wire) - Right wheelhouse ground point

Any of the brown wires can splice with the negative ground points you need. Then match up the Low beam wire from the headlight to the #2 (yellow wire) on the car. Match high beam wire from headlight to the #3 (white wire) on the car. Match the #6 (black/green wire) to the turn signals. Match the #4 and #5 wires to the "C" LED or parking lamp. That's it, easy as pie.
2009 plug to 2012 plug

help
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Old 03-13-2018, 04:34 AM
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c class w204
Hello Romeo291,
How did you finally take out all the dashboard errors message regarding the parking lamp warning?
Regards,
Old 03-16-2018, 11:45 AM
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Depo headlights instellation on c280 2008?? need your help




hi, i got the depo headlights bi xenon and i have halogen in my car, the conector in the headlights is 10 pins and diffrent frim the 9 pins in my car .. can i connect it anyway ?

Last edited by arikgo; 03-16-2018 at 11:52 AM.
Old 03-16-2018, 04:37 PM
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This is all very confusing, I don't know if I missed something.

Is there an adapter to fairly easily swap pre-facelift halogen headlights to facelift halogen headlights?

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