E420 Climate Control Panel Light

[Garry Lay]

The illumination light behind the climate control panel of my 1997 E420 would not light up unless I tap on the adjacent wood panel. I have to do this every time when I switch the lights on at night. Is this a sign of a failing light bulb or is there a loose electrical connection behind the panel? How do I go about how to remove the climate control panle out to check the backside?

Thanks, Garry