lifting engine to remover damaged oil pan on 1991 Mercedes-Benz 300SE

my wife hit a large roch and damaged the oil pan, I bought a new one and trying to remove the old one. I am trying to lift the engine to remove old pan and the motormounts have a hex nut up inside as well as several bolts on the motor holding the motor mount in. whick one do I pull, the hex nut is 8mm and will not budge

Asked by for the 1991 Mercedes-Benz 300SE