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.
FG54/Set B
MODEL 199, 211, 219, 230
Use:
Plug-in adapter for connection of SBC module to vehicle wiring harness in combination with 211 589 04 21 03.