451 589 00 10 00 Allen wrench, size 12 - WS32.00-P-1002B

MODEL 205 

FG 32/Set B 

Intended use: 

Wrench for counterholding torsion bar link rod when tightening to ready-to-drive state.

Fig 1: Identifying Wrench SW 12 (451 589 00 10 00)

Courtesy of MERCEDES-BENZ USA