your recycler guy is correct.take the speedo instrument out and take it apart and go to a website called speedometers . com where you will find all the little gears you need to make it work again. it seems that vdo made their gears out of biodegradeable plastic and they turn to jelly and the teeth break off.the replacements are much more solid.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg