Well I decided to sell my 87 300SDL and everthing seemed to be working fine.
So the first guy that comes to take a look takes it for a test drive, and
guess what - about half way through the drive it stops upshifting from first
At first he could get it to shift, but now it won't get out of first gear
I have read some about the modulator vacuum line and fluid levels. Does
this sound like a vacuum problem or something more serious with the
Thanks for any help.