Mercedes Benz S Class W220 owner have many problems with this car instrument cluster. The problems include no lighting, partial lighting and /or flickering or intermittent lighting, or can't see the miles badly. Mainly to repair this dashboard you need replace defective lighting transformer to a new one...
If the centre Lcd part is like burned/hard to see, you need to replaced the centre Lcd unit.
((For this Lcd unit price will be different))
Kindly contact for more info.
I got do reprogramming/coding as well.
If you have any inquiries kindly contact 012-2300670