WARNING: This page is about a different car, the 2009 Mercedes-Benz E350 and 2008 Mercedes-Benz E350. However, it is still accessible from the selected car via links, so may be relevant.
FG 05/Set C
ENGINE 651
Use:
Fixing of the camshaft to loosen or tighten the mounting bolts for the camshaft sprocket.
NOTE:
2 pieces are required.
Fig 1: Identifying Tie-Down Set (651 589 01 40 00)