640 589 01 40 00 Hold-down device - WS05.00-P-0225B

Group 05/Set B 

ENGINES 640, 639 

Application: 

The hold-down device holds the timing chain with camshaft sprocket in grip.

Fig 1: Identifying Hold-Down Device (640 589 01 40 00)

Courtesy of MERCEDES-BENZ USA