Hi, Happy New Year to everyone!

I got a pair of used Xenon headlight and installed them during new year.
They work very well, and it is much more brighter than before.

But, I have one question.
I found that there is a plug below the power plug I didn't have.
Does anyone know what it is?
Is that for any specific function?
I attached two pictures here.

Thank you for your help!
Ben

 

I am guessing - Could that be the input for auto-leveling?

 

Wild guess during my lunch break: bi-xenon motoring control? leveler?

 

yes that plug is for the auto leveler

 

There's no bi-xenon for reflector xenon light. I think it's for auto-leveling.

Notice how the xenon light produce much less heat, that Mercedes could afford to take off the ventilation pipe.

 

Thanks, everyone!

If it is for auto-leveling, do you think I can make them work?

Thanks again!
Ben

 

Yep auto level..You can leave it inop and Install them...Very easy!