210 589 01 16 00 Four-point drive - WS22.00-P-0006B

FG 22/05/Set B 

ENGINE 111, 112, 113, 137, 272, 273, 275, 611, 612 /965 /966, 613, 628, 629, 642, 646, 647, 648, 651 

Use: 

Four-point drive to remove the chain tensioner.

Fig 1: Identifying Four-Point Drive (210 589 01 16 00)

Courtesy of MERCEDES-BENZ USA