berdi

HI ALL , NEW MEMBER HERE, I have my grandpa's w114 1968 that he bought new from factory and drove it himself from Europe, i figured one of the carbs is not working and and both of them needs rebuilt, the car is in very good condition, i plan to drive on daily basis , i want to change the necessarily fluids (diff oil, transmission, etc), so if you guys be kind enough to tell me what maintenance things i need to do before driving it, what type of oils i need, and how much i need, thanks so much the car is a 1968 250 w114 (6 cylinder ), also where i can get rebuilt parts for the zenith carburetor. thanks very much cheers