Today's mail brought a good M-B parts catalog from Performance Products,
complete with schematics of major parts groups for the 107, 123, 124,
126 and 201 chassis.
There's also a second catalog available for 1990 - 2005 C, E, S & M
Classes plus CLK, SLK, SL, CL, and G Wagon.
This is information, not my endorsement of PP.