If your dash is not lighting up at night it could be a number of problems
If you have replaced the bulbs and the lights still don't work here is a list of things to check:
Problem & Solution
Common among these chassis:
R107
W108 W109
W110 W111 W112 Sedan
W111 W112 Coupe
W113
W114
W115
W116
W123
W124
W126
W201
- Fuse - I know that is obvious
- Dimmer switch - be sure and check out Kent's on demand video on testing and repairing it
- Bulb holder - see above youtube video
- Circuit board - we have these available used
- Corroded wiring plug at back of instrument cluster - clean and apply dielectric grease sparingly