Let's count the replies on this thread where somebody posted with no familiarity at all with the car in question nor the issue at hand. You think somebody owns a Mercedes and didn't have an idea that the line in question might be a vac line?
This is the kind of spam choking this forum for awhile now!
and yes, I'M JUST SAYIN'.....
Somebody with a rod bender or W140 answer the poor guys question. You might also need to ask this in Tech Help section as there will be FAR more non-diesel W140's operable than rod benders, and this line might be familiar to them also....
Mini uncalled for rant over.....
*edit*
see, while I was typing Nate was giving good useful educated info!
Nice...