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 82/Set B
MODEL 140
Use:
Adapter cable (1 set= 8 each) with pin for diagnosis of ISC on model 140, Japanese version