WARNING: This page is about a different car, the 2009 Mercedes-Benz E350 and 2008 Mercedes-Benz E350. However, it is still accessible from the selected car via links, so may be relevant.
FG 42/Set B
MODEL 163 as of 1.9.02, 164, 171.4, 203, 251, 211, 221
Use:
47-pin test cable for diagnosis of Teves ESP MK25 in combination with socket box 129 589 00 21 00.