Welcome to just answer. here is the procedure for you if you need anything just let me know.
Replacing and Riveting Timing Chain
CAUTION: Ensure that timing chain (4) or (5) does not jump off when turned.
NOTE: When screwing in, ensure that the pins of the riveted link are inserted into the holes of the outer plate (8).
You know auto zone uses alldata too and they should also have books . But auto zone owns alldata know but they really may be your best bet. you can always try and talk to someone from the mercedes dealer in the parts department may be able to fax over the info to you. that actualy may be your best bet. If you need anything else just let me know.