And what about all the W`107's that were delivered with manual trans? .
An alloy block V8 has a smaller pitch circle on the bell housing so the 3.5 ,350 and 450 SL and various W116 V8 manual trans bell housings won't fit. A 560 has it's ignition sensors on the flex plate so unless you are a really good machinist theses no chance of adapting a specially made flywheel easily.