guys and gals,

a piece of the mechanical linkage that was mated with rubber to another piece has now broken completely off .....under the hood of my 1980 300sd

1. where do i find a picture of the linkage and assembly instructions...

i am not mechanical...but can learn

lyle

I've seen folks use a hose clamp to fasten the rubber to the metal plate in a pinch.

Sounds like your throttle bushing.
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1L00T87R02570PG5GG&year=1980&make=MB&model=300-SD-001&category=All&part=Throttle+Bushing

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oh yea.. when that goes the acceleration suffers because the linkages doesn't get the necessary travel..

undo the linkages attached to it, unbolt.. install new one.. pop linkages back on(after putting a dab of grease)... and tell us how it is