220 589 00 99 30 Adapter cable - WS54.00-P-0050-19B
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 42/43/54/Set B
MODEL 905, 170, 202, 203, 208, 209, 210, 211, 215, 220, 230, 240, 375.4, 930, 932, 933, 934, 944, 950, 952, 953, 954
Use:
2-pin adapter cable for voltage and resistance measurements on interior bus system.
Interface=Voltage distributor (multipoint connector)