C 280 (203.054) V6-3.0L (272.940) (2006)
NOTE:
There are two different versions of the B1 and B3 multi-disk brake. It is essential to ensure that the retaining ring is ordered correctly. Refer to
Figures 1 through 3 and the parts table, identification groove on the inside/outside of the plate supports.
4. When assembling, insure that the anti-twist locks are correctly positioned! (See Figure 4: Correct positioning of anti-twist lock for thrust bearing).