Well I repaired my odometer. The shaft runing through the center of all the numbered wheels had one of the gears become loose on one end. I slid the shaft out and a like sized drill bit in from the other side to keep everything in line. Once out, I scored the slipping end and reinserted pushing out the drill bit. Had to tap it back into the other gear that was slipping so I assumed a firm connection. Here's where things went bad.

Decided to test my repair with a drill motor. Found a nail that appeared to be the correct size to fit the back of the speedo on the work bench, test fit looked good. Chucked it into the drill and started spinning. Everything worked great as I ran it over a mile. When I stopped and was pulling the nail back out it was somehow stuck? Pulled a little harder and it pulled an inner sleeve out and poped the needle off the front.

So I'm now looking for a speedo for a 190D with the 2.2 liter automatic. I understand the speedo head in the dash is geared to the differential so I need a 2.2 automatic for the speed to be correct.

Stuff happens!

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You can't always get what you want, but if you try sometime you just might find you get what you need.