451 589 00 15 00 Socket - WS15.00-P-0064B

MODEL 451.391/491 

MODEL 169.090 with ENGINE 780.992 

FG 15/Set B 

Use: 

Socket to open the cap on the desiccant cartridge for the HV battery.

Fig 1: Identifying Socket (451 589 00 15 00)

Courtesy of MERCEDES-BENZ USA