Q: starting the engine issue on 1991 Mercedes-Benz 300TE

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
car will not start battery good turns over will not fire new spark plugs. put dry gas is
(1) Answer
I think you need to find a Benz expert to help you. There are too many possible problems for me to help you with what I know from your message.
If you want to find a specialist, here's a directory link for you: