220 589 00 99 36 Adapter cable - WS54.00-P-0050-27B

MODEL 164, 169, 171, 203, 211, 219, 231, 251 

FG54/Set B 

2-pin adapter cable for voltage/resistance measurement and for checking signals at the CAN C voltage distributor.

Fig 1: Identifying Adapter Cable (220 589 00 99 36)

Courtesy of MERCEDES-BENZ USA