The dome light slides to the right up front.
http://www.peachparts.com/shopforum/showthread.php?threadid=40208&highlight=reading+light

Shift console on the later w124 body:
http://www.peachparts.com/shopforum/showthread.php?threadid=25514&highlight=shift+console+light

headlight switch:
http://www.peachparts.com/shopforum/showthread.php?threadid=13468&highlight=light+switch+bulb

rear window switch removal for a 1995 E320cab:
http://www.peachparts.com/shopforum/showthread.php?threadid=46226&highlight=rear+window+switch+light


Good luck on the bulb project.

__________________
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