A Greek taxi driver, Gregorios Sachinides, presented the Mercedes-Benz museum in Stuttgart with his trusty cab - a 1976 Mercedes 240D diesel with 4.6 million kilometres on the clock. It took only three motors for it to get to that millage
http://www.worldcarfans.com/classics.cfm/classicID/5040929.001/country/gcf/mercedes/proverbial-longevity-in-4.6-million-kilometers
There is plenty more sources just do a search for the guys name
We all saw it coming
Benz sets new world record