W126 brake job - illustrated
I have illustrated the job on my web site - go to 'Cars' - 'Technical'.
This includes new brake disks, pads, wear sensors, repacking the wheel bearings and brake bleeding, so it's rather lengthy, but you can just choose the pieces you need if, say, you are just changing the pads.
This was on my 1990 560SEL with ABS, but without ASR.
Please heed the legal warnings. I'm sorry that I have to include them.