604 589 00 40 00 Retaining device - WS05.00-P-0169C

FG 05/Set C 

ENGINE 604, 605, 606 

Use: 

Retaining device for timing chain on chain sprocket for pulling timing chain into engine (retaining device prevents timing chain from jumping on chain sprocket)

Fig 1: Pulling Timing Chain Into Engine Using Retaining Device

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Retaining Device (604 589 00 40 00)

Courtesy of MERCEDES-BENZ USA