Mercedes Benz Ponton flywheel.
The ring gear is worn. I think it can be reversed, but I am NOT sure.
From a 1961 gasoline W120.
The Ponton parts in my Ebay store are divided by category to make finding what you want easier.
My Ponton models compared video is at https://www.youtube.com/watch?v=2XuQHf89EB8
Most things ship the same or the next day.
International buyers please read:
It is the buyer's responsibility to pay all customs or import fees taxes and duties.
I do not put false information on customs forms.