A speedo from any 77-81 300D, 78-81 300CD and 78-80 300TD will also work.
Just needs to be non-turbo OM617. They were all mechanical with speedo cables and the same gearing in those years. 240D and turbo motors had different gearing.
This might widen up the search a bit.
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I-------------------------------------1981 300TD, Thistle Green, 140K------------------------------------I
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