Try doing a search on odometer repair using the search function at the top right of the screen. This has been covered many times. The posts on how to DIY will come up. Or if you don't want to DIY you can farms the job out.
Check out http://www.continentalimports.com
if you decide to farm it out.
'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.