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 C
ENGINE 604, 605, 606
Use/specification:
Reamer Ø 5,99H7 mm reamer for reaming valve guides in cylinder head