272 589 00 63 00 Assembly inserts - WS05.00-P-0224B
WARNING: This page is about a different car, the 2009 Mercedes-Benz E550 and 2008 Mercedes-Benz E550. However, it is still accessible from the selected car via links, so may be relevant.
FG 05/Set B
ENGINE 272/979, 273
Use:
Assembly inserts, consisting of chain guide F11, thrust piece D12 and centering fork (2 each). to press on the press fit center clip with a rivet press tool 272 589 00 39 00.