If anyone has a parts car, R107 or W114/115 that has this part I'd be happy to pay.
It is part nember 1152780950, described as a bushing in the EPC. It is a small brass(I think) part that actuates the neutral safety switch, or links the transmission minkage to the neutral safety switch.
Mine has broken, and I can't bring myself to wait 2 weeks to get one from MB at inflated prices.
See the below diagram, part number 251.