211 589 08 63 00 Adapter cable - WS54.00-P-0068B

FG 54/Set B 

MODEL 211.2 

Use: 

Adapter cable for checking electronic rear axle level control in conjunction with socket box

W124 589 00 21 00.

Fig 1: Identifying Adapter Cable (211 589 08 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.