617 589 00 43 00 Drift punch - WS05.00-P-0125B
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 615, 616, 617.91 /93 /95 with intake and exhaust (valve shaft dia. 10 mm)
Use/specification:
Drift punch for pressing the valve-stem seal onto the valve guide