Here is the link to the speedometer transmitter:

http://catalog.peachparts.com/RenderScriptTemplate.epc?_cmd=epccat_VehicleAAA&cookieID=2EX0DVNF62GR0JRXCP&yearid=1980%40%401980&makeid=MB%40%40MB%40%40X&modelid=280-SE-003%40%40280SE&catid=P%40%40Body+Electrical&mode=PA&subcatid=P4019@@Speedometer+Transmitter&source=www.peachparts.com&clientid=catalog.mercedesshop

Gosh! that's a big link!

It says it plugs in the rear of the instrument housing.



I figure the odometer is failing due to that little pot metal gear that starts to slip with age. The speedometer will work after the car is driven a few miles, like the speedo has to warm up or something.

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Skip Callaham

2003 Volkswagen Jetta TDI (Yes, it's a Diesel!)
2001 Suzuki Esteem (Wife's car)
1980 Mercedes Benz 280 SE Euro
1976 Triumph Spitfire 1500
1973 Triumph Spitfire 1500
1971 Mercedes Benz 220D
1965 Triumph Spitfire MKII
1965 Triumph Spitfire MKII