WARNING: This page is about a different car, the 2009 Mercedes-Benz CLK350 and 2008 Mercedes-Benz CLK350. However, it is still accessible from the selected car via links, so may be relevant.
FG 05/Set B
ENGINE all
Use/specification:
Magnetic rod for removing valve halves
Fig 1: Removing Valve Half
Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Magnetic Rod (116 589 06 63 00)