I tried this one: http://cgi.ebay.com/ebaymotors/MERCEDES-BENZ-W126-SERVICE-REPAIR-MANUAL-ALL-126_W0QQcmdZViewItemQQhashZitem3355169dd5QQitemZ220470877653QQptZMotorsQ5fManualsQ5fLiterature
and it was a bust. None of the maintenance procedures were for the 116; they were for the 110, 102, 107, 601, 616 & 617; and these looked to be legit MB discs.

Should I try this one next?:
http://cgi.ebay.com/ebaymotors/MERCEDES-W201-W124-W126-W140-SHOP-MANUAL-3-DVDS_W0QQcmdZViewItemQQhashZitem518d763d3aQQitemZ350265687354QQptZMotorsQ5fManualsQ5fLiterature

It looks like a stand-alone WIS system...

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A.S.E Tech A1,A6,A7,A8 & MVAC 609 + EPA 608

Unless stated otherwise, any question I ask is about my greymarket 1985 380SEL.