If you haven't already, check the fuses under the hood. It may be one of the tiny fuses there.
No modern instrument replaced the viola.
The piano replaced the harpsichord as the most dominant instrument.
Yes it can be replaced with 93-97 panel and most of the interior will also work and everything on the exterior will also work..
None
the piano
There is no replacement for a viola.
As far as I know 94 wranglers are all hydraulic clutches. Self adjusting so if it is not working it is most likely the clutch needs to be replaced or the hydraulic system is bad and needs replaced.
The harpsichord was replaced by the piano.
The closest instrument that it replaced is the tenor viola da Gambia.
GPS? The Sextant has not been replaced they are still available to buy new and are carried on every commercial vessel.
dinosaur lamp
This is cluster failure! The instrument cluster will need to be replaced this is usually done by certified Mercedes repair facility