I have the w114/w115 DVD files (although you'll need to find a way to use Flash for the navigation - the actual pages are just PDFs, so you can always go thru them and figure out which is what). PM me and we can figure out how to get them to you (too big to just email). I'll have to double check my shelf at the shop, but I think I also have some w115 and om616 paper manuals if you need specific references along the way. Also have bunches of trivial extras all over.

Welcome (back) to the club!
-Bruce (picked the color of my Mom's new w115 back in 1976, later learned to drive in it, still enjoy driving it)

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1976 240D [W115.117/616.916] (acq 11Jun76)
1990 MB 300D 2.5 Turbo [W124.128/602.962] (acq 4Sep15)
1991 SL250D (ex-300SL-24) [R129.061/OM602.962/722.6, was M104.981] (acq 25May12, converted to diesel)
1993 Jeep Cherokee [XJ] (acq 12Apr14)
2008 E320 CDI [W211.022/642.920] (acq 27Jan24)

-- Deceased...
1993 300D 2.5 Turbo [W124.128/602.962] (totaled by Dominos driver 28Mar12)
2007 E320 CDI [W211.022/642.920] (totaled 18Dec23)