204 589 04 63 00 6-pin adapter cable - WS54.00-P-0084B

MODEL 166, 172, 204, 207, 212, 218, 246 

FG 54/Set B 

Use: 

For line and component check on accelerator pedal sensor.

Fig 1: Identifying 6-Pin Adapter Cable (204 589 04 63 00)

Courtesy of MERCEDES-BENZ USA