I have a 2000 S500 the back light on the instrument cluster isn't working and I was told there was a burnt smell coming from the vents, the pointer arrows for the speed, tachometer, etc.. work but it will not show anymore than that, how do I remove the instrument cluster and is there any serviceable parts such as lights bulbs to check or replace?

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'85 F250 6.9L diesel 2wd XL XC LB Centurion, Gone
'95 Mercedes E 300 Diesel W124.131 with a OM606.910 and just over 200k on the clock, needs top end engine work and a transmission.
2000 S500 W220 with a 5.0L V8 gas power.