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.
Group 63/64/Set K
MODEL 164.1/8, 251.1, 203, 204, 209, 211
Use:
Embossing tool for embossing spherical caps in replacement part.