So were trying to figure out where all the fuses are, i cant get the blower motor to work for the heater core,the blower for the ac evaporator and defrost works but cant get the other fan working, also messing with my power window switches and i must have blown a fuse but all the fuse boxes i have checked are good, something im missing? thanks its a 1972 250.

 

You might want to check this site for some information.

Fuse box diagram for 72' 250C - PeachParts Mercedes ShopForum

Just my $.02 worth

 

Thanks for thinking of us, much appreciated.