285 589 01 03 00 Box wrench bit - WS09.00-P-0002B

FG 09/Set B 

ENGINE 275, 285, 640 

Use: 

Box wrench bit E 10, Hazet with square socket 12x9 mm.

Fig 1: Identifying Box Wrench Bit (285 589 01 03 00)

Courtesy of MERCEDES-BENZ USA