Hi 230/8 and C 32AMG
My 350 SL 1971 are indeed a 4 speed. (Picture)
In June 1972 they put a 3 speed trans in the car.
On my W 126 the was a T piece for adjust the pressure. I adjust this trans in 2 minutes with great success.So ,I will try the W 107 also.
Thank you
Arvid