It's quite easy to do IF you can find spare bulbs. the dash hood is simple to remove. It's clipped on along the edge nearest the windscreen and should lift without difficulty. Underneath this there's a plastic protective sheet and beneath that is the circuit board. the dashboard lights are small bulbs which are attached in housings here. You simply remove them by twisting them 90 degrees and replace with a new bulb. (The bulb casing is hexagonal and you cannot fit a circular one into the same hole, so check that your replacement is exactly the same as the one you removed)
how to fix interior dashboard lights for mt 2002 e320 Mercedes
Do parking and taillights work? If not check fuse--common circuit
Dashboard lights and stick shift lights are fixable by changing blown fuses and replacing them with new fuses. Many automobiles have several fuses that operate the dashboard and stick shift lights.
look for a blown fuse.
check cigarette lighter for metal debris then change fuse.
Until you say what is wrong, I recommend using a sledge hammer.
check the dimmer switch.loose connections often mess this up.
Most of the dashes have printed circuits and they can get cracks or loose grounds.
The first thing to do is check your fuses. It may be a very simple fix.
Shoukld be the fuse for parking/tail, and dash lights
Replace headlight switch- dimming rheostat may be loose
Be sure that the dash light dimmer control is not turned off and check the fuses.