C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

A few quick questions

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Old Jul 5, 2023 | 07:52 AM
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2010 C300 4MATIC........ 2011 C63 AMG.............. 2015 CLS400 4MATIC.....
A few quick questions

Hello all,

Can I please have some help with the following:

1) Can anyone tell me where this plug connects to? It is the one that runs front the top of the fuse box to near the front driver headlight area.


2nd, I am facelifting the headlights on my car but for some reason my driver's side turn signal is not working. I have confirmed that the bulbs are good, the rest of the driver's side signals (mirror, tails) work, but I don't think I am getting power from the green/black turn signal wire. Does anyone have any ideas why this could be and how to address it? I have also checked the appropriate fuse and it is good. Thanks.
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Old Jul 5, 2023 | 08:28 AM
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2009 MB C300 Sport 4matic
Let me take a shot at the connector...electrical.lead to the Driver side hood latch pin sensor telling if hood latched, unlatched.
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Old Jul 5, 2023 | 10:29 AM
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2010 C300 4MATIC........ 2011 C63 AMG.............. 2015 CLS400 4MATIC.....
Thanks, not it unfortunately, already have that plugged in
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Old Jul 5, 2023 | 03:30 PM
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2020 C300, 2013 C250, 2000 Boxster S
Headlight leveling?
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Old Jul 5, 2023 | 03:33 PM
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From: Milwaukee, WI
2010 C300 4MATIC........ 2011 C63 AMG.............. 2015 CLS400 4MATIC.....
No can't be, halogen headlights
Is anyone able to walk to their car and check lol, it doesn't seem like it should be very far down, if at all.
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Old Jul 6, 2023 | 08:07 AM
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Looks like it connects to the windshield washer fluid sensor, runs to under the headlight.
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Old Jul 6, 2023 | 11:03 AM
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Hmmm, on second look, I don't have that wire. I only have the cable to unlatch the hood and the thick wire that runs to the washer fluid reservoir. Which car is that on?
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Old Jul 6, 2023 | 05:38 PM
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2010 C300 4MATIC........ 2011 C63 AMG.............. 2015 CLS400 4MATIC.....
Yeah my c63 doesn't have that wire either. I found it though, I looked through my old photos and saw it was connected to another wire....sure enough, I (forgot/didn't pay attention) to another wire coming off the main harness. I'm not sure what it's for, maybe windshield washer jets or something on the nozzles up top, but anyways, I got it connected.



Now if I can figure out why only my front driver signal isn't working that would be great. The wiring doesn't look damaged and all other lights are working...

​​​​​​I know many haven't looked, but it's the black and green wire isn't it?
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Old Jul 6, 2023 | 05:43 PM
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I have that wire and it goes down by the washer fluid below the resorviour and somewhere down by the bumper, near the bumper.
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