Bill,
Thanks for your kind appreciation of my post. The manual those pictures came out of is titled:

"Maintenance Manual - Passenger Cars - USA Version"

The publishing date is September 1974, and the manual covers models 220D thru 600. It is about 5/8" thick. This manual covers only what MB considers "maintenance" jobs and is a different manual than the larger 1968 - 1973 shop manual.

I don't know if this manual is hard to come by or not, but I would be happy to post any information or photos contained in it for anyone who would find it useful, just let me know!

Tom Drew

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1972 280SE 4.5