628 589 03 40 00 Retaining device - WS05.00-P-0213B

FG 05/Set B 

ENGINE 628, 629 

Use: 

Drawing in timing chain. Hold timing chain meshed with camshaft sprocket.

Fig 1: Identifying Retaining Device (628 589 03 40 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.