Do a search on this topic. Mercedes of that era had a problem with the PC boards either cracking or solder joints breaking.

Open the box and test circuit continuity. Solder all broken connections and VIOLA!

__________________
R. Downs
1985 500SEL (260,000 miles) SOLD!
1974 280 SOLD!
1994 Volvo 850 Turbo Wagon (Yuppie Ice Sled)

"I know I have a Benz and they know it too." If you start bragging about it or shoving in people's face, you then become a Wally; especially to the girls.