Okay...figured out the top/front bracket, with the help of this picture.
http://www.peachparts.com/shopforum/attachments/diesel-discussion/58201d1219013608-help-needed-somebody-300sd-mercedes-300-sd-oil-lines-2.jpg

I think the bottomside/middle bracket goes somewhere right next to the motor mount.
As seen in this picture.

__________________
Chris
1985 300SD - 'Grace' (198K mi.)
2018 Honda Civic Sport
2018 Honda CRV LX
2010 Honda Fit Sport (RIP)
2013 Honda Accord Sport (Sold)
1996 Lexus LS400 (Retired)
1995 Ford Contour SE (Retired)
1976 Porsche 914 (Sold)
1972 Datsun 240Z (RIP)