601 589 07 63 00 Wedge - WS42.00-P-3005B

FG 42/Set B 

MODEL 129, 140, 163, 168, 170, 171, 197, 199, 202, 203, 204, 207, 208, 209, 210, 211, 212, 215, 216, 219, 220, 221, 230, 240 

Use: 

Wedge for holding fixed-caliper piston in place.

Fig 1: Identifying Wedge (601 589 07 63 00)

Courtesy of MERCEDES-BENZ USA