vvrjrlaw

I own a 1994 S420 -W140. The right side temperature display lamp is out and I have searched in vain on all the forums for articles or instructions to make the change. Initially I would gently tap the face of the unit and the light would magically turn on but it has been out now for about a year and I must use the overhead at night to set it. Any information on how to change it would be greatly appreciated.