Instrument cluster malfunctioning. on 2000 Mercedes-Benz S500

S500 MB yr.2000 having malfunctions of electrical gauges,indicators,speedometer lighting goes on/off or dimming,
having problem recently started. Rest all other equipment AC. etc. works perfectly

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1 answer
I didnt see any Tech Bulletins so it may be a short on the board. Several companies rebuild instrument clusters like SpeedOTach in Concord. You will have to remove and ship/deliver it to them though. You could take it to a shop and let them diagnose it, these cars are complicated.