Lots of info on these issues in the archives. Just a few of the threads that may help:

http://www.peachparts.com/shopforum/showthread.php?threadid=19257&highlight=vent+lights

http://mbca.org/MBCA_Remove_dash_vents.htm

http://www.peachparts.com/shopforum/showthread.php?threadid=19299&highlight=light+switch+bulb

It may or may not be different on the 96, but this should give you a starting point.

__________________
John

2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)

Click to see 87 300E