As you probably know, the service manual has excellent drawings and can be found here:

https://www.crossfireforum.org/forum...ollection.html

I've not had to do any brake work on my Crossfire, so I can't tell you if there is much difference between it and an E320, but there is a pdf for an E320 brakes here:

DIY Brakes, with pictures... - Benzworld.org - Mercedes-Benz Discussion Forum