Hey and thanks for helping.

'87 300sdl 163k questions:

first off, should i take it to a shop and have it checked for problems hood to trunk?

ac isnt cold and i live in florida... how can i fix that?

ive read the articles on if the turbo isnt working or the slow 0-60 speed.. what should i do to check and see if its running slow and/or if the turbo isnt working?

antenna isnt going up.. is it the motor located right under it? if so how easy to fix it?

is it neccessary to install a boost gauge? it does look neat.

i havent owned a benz b4, but the shifting is a tad hard.. what things can i do to check this?

when i bought new tires, the mechanic said i need a new center link... do those really go bad?

what's the news on bio-diesel and smelling like a french fry? is it worth it?

thanks frankee.