OK, here is my update:
I just got off the M-B [USA] Classic Parts hotline with "Tom". They have a limit of 1 subject/per call and clearly are under pressure to move on to the next CUSTOMER! So I gave "Tome" the M-B p/n we all know [ 126_270_44_77] and asked him what he could tell me about it. He stated that the only name his "system" gave him was "AMG". I think this clue ["AMG"] is a dead end... but if you have broadband and like hi-performance stuff, take a look at http://www.mercedes-amg.com/!

I then asked if he could give me the individual p/n(s) that went into the kit. He did, and here they are.

The K-1 Kit, p/n 126_270_44_77] for the 722.3 and 722.4 is made up of:
126_277_41_77
126_277_42_77
126_993_58_04
126_993_59_04
126_993_60_04

So there you have it, more clues to this puzzle... and armed with these, I'm back to the local dealer's parts counter to see what names, if any they can give me for these parts! On my last trip there they gave me 3 different parts blow-up diagrams from their reference for my 722.1 tranny... you know the diagrams that comes from the thick, old catalogs like mine [(Mod. 123) CATALOG "F"] with tons of blow-up diagrams for the entire car.

Well apparently M-B is now up to "K" [mine is "F"] in their computer-based references. My "F" catalog has 9 pages of diagrams for the 722.1 tranny and sure enough the 3 pages my dealer gave me did not include the page I think will be needed for my 722.1 K-1 sleuthing.
Wish me luck!
Sam