I dont think the OP is off the title at all.....Just maybe not to the degree that you were thinking....so perhaps "misleading" to some.

I would think that in order to disassemble the compressor, one would need to remove the clutch assembly.

I too am interested in this info as I have a noisy clutch assembly on my W123.

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85 300D 3 pedal. Current project.
83 300TD (need rear wiper assembly dead or alive)
84 300SD Daily driver
85 300TD almost 400k miles and driven daily.
98 E300D *sold
86 300SDL *sold and made flawless 10 hour journey to new home.