You can try to turn the engine by hand a few degrees. If it is a bad flywheel doing that will move it to a place where there is still teeth to engage.
You can also try smacking the Bendix drive (long tube on the side of the starter where the relay is located) with a long piece of wood (closet rod) and a hammer a few times to loosen it up. That MIGHT work for you

Good Luck!!

__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad