000 589 77 03 00 Box wrench socket - WS42.00-P-0073B

MODEL 166, 203, 209, 211, 215, 219, 220, 230, 240 

FG 42/Set B 

Use: 

Ring wrench socket open, 14 mm, 1/4" square drive for assembly of hydraulic lines to the SBC hydraulic unit. Also for brake lines.

Fig 1: Identifying Box Wrench Socket (000 589 77 03 00)

Courtesy of MERCEDES-BENZ USA