601 589 05 43 00 Drift punch - WS05.00-P-0156B
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
FG 05/Set B
ENGINE 601 /943, 602 /980, 603 with intake and exhaust (valve shaft dia. 8 and 9 mm)
Use/specification:
Drift punch for pressing the valve stem seal with metal casing onto the valve guide