Try a search on "odometer" you will find lots of info on the repairs. If you are not inclined to DIY, you can click Here
to jump to Steve Brothertons Contenental Imports VDO instrument page for info on having it repaired.
Hope this helps.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.