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Headlights don't work!! Please Help!!

Old Oct 6, 2011 | 11:12 AM
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2005 Mercedes Benz C240
Headlights don't work!! Please Help!!

Hi I have a 2005 C240 had it for less than a year now and before the summer one headlight went out and last month the other one did ... I read a post saying to unplug the battery but that didn't work and I have also bought to different headlights so it must be something else any suggestions????

Last edited by Amanda17; Oct 6, 2011 at 11:16 AM.
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Old Oct 6, 2011 | 12:14 PM
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Do your park/running lights work? How about fogs? Asking as, just trying to figure out if the actual switch has power?
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Old Oct 6, 2011 | 12:24 PM
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Yes all the other lights seem to be working fine just the main ones don't work and the bottom license plate light is out don't know if that matters ??
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Old Oct 6, 2011 | 02:20 PM
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RU sure that the lamps are not blown?
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Old Oct 6, 2011 | 02:36 PM
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I would suspect a bulb install or contact issue. Given you have replaced both bulbs, i would re-examine the two headlight bulbs. Make sure they were inserted correctly and they are correct bulbs.

I would also unplug and re-plug the wiring harness at the headlight assembly/make sure it is securely snapped in place.

Keep us posted...
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Old Oct 6, 2011 | 02:47 PM
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Sorry - I did not understand "I have also bought to different headlights"

Agreed!
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Old Oct 6, 2011 | 03:00 PM
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Originally Posted by Amanda17
Hi I have a 2005 C240 had it for less than a year now and before the summer one headlight went out and last month the other one did ... I read a post saying to unplug the battery but that didn't work and I have also bought to different headlights so it must be something else any suggestions????
where in mass are you? if you near i can help you troubleshoot it
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Old Oct 6, 2011 | 04:13 PM
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Sorry not headlights I meant I bought two different bulbs one pair were to strong they were like 10k and now I believe I have 5 or 6 k ones that still don't work... Thanks I'm going to try unpluging them and replugging them and see if it works I hope it does!! I'm from western Mass
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Old Oct 6, 2011 | 04:33 PM
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Are you saying your car has the bi-xenon and that the bulbs stopped working and then you bought replacement bulbs and they do not work either?

OR do you have a aftermarket HID kit?
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Old Oct 6, 2011 | 04:38 PM
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Yes if the car came with bi-xenon lights thats what I have on their and I bought some replacement light bulbs online...
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Old Oct 6, 2011 | 04:49 PM
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I have a suggestion.
Learn how to ask a better question.
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Old Oct 6, 2011 | 04:56 PM
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I have a suggestion as well if you don't have the answer to my question keep it moving! I didn't ask you specifically THANK YOU c230 sports coup
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Old Oct 6, 2011 | 06:34 PM
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From: Llandudno, Cape Town, South Africa
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With BiX your ignitors have probably failed. Replacement kits are available from Benz parts providers.
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Old Oct 6, 2011 | 08:18 PM
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Here:

https://mbworld.org/forums/attachmen...acement-1-.pdf

Good luck
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Old Aug 31, 2025 | 08:34 PM
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Parking lights work

Originally Posted by glocati
Do your park/running lights work? How about fogs? Asking as, just trying to figure out if the actual switch has power?
Parking lights work, fog lights are out of the car due to the accident and I was hoping to get the headlights working without the fog lights if that possible?!
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