GL 320 BLUETEC (164.825) V6-3.0L DSL Turbo (642.820) (2009)
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.