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 72/Set B
MODEL 207, 209, 218
Use:
Socket wrench for adjusting door and rear side window during installation as well as for correction in the case of complaints.