12-09-2011, 12:14 PM
BenzWorld Junior Member
Date registered: Feb 2011
Vehicle: 1991 300e 3.0l
Location: Buffalo NY and Toronto ON
1991 300e 3.0 Vacuum Diagram/pics
Can anyone show me where to find a diagram, or have pics of their own motor so I can see where the vacuum tubes are supposed to be going. Another local "Mercedes" mechanic left things unplugged and possibly in wrong places, maybe even cracked. I'm getting tired of correcting mechanics errors. car is running rough, BTW I have no EGR. Mechanic also broke a chunk off the top of the fuel air flow plate screw.Adjuster, housing?? whatever it's called.
Also one for a 1992 2.6l that one is also awry! and they have different components so I can't tell by looking at one what the other is supposed to look like. and this was a different mechanic.
Figured I might as well replace the vacuum hoses while I can too.