Mercedes Benz Dome Light Sun Roof Switch Plug. 

Used on several models from the 1980's on.

The last picture shows where it plugs into the dome light.

Price is for one.

Please make sure it is correct for you car before buying.

I have other Mercedes parts listed and will combine shipping.

Most things ship the same or the next day.

International buyers please read:

It is the buyer's responsibility to pay all customs or import fees taxes and duties. 
I do not put false information on customs forms.