120 589 07 21 00 Measuring rod - WS18.00-P-0024B

FG 18/01/05/09/Set B 

ENGINE 112, 113, 646, 271, 272, 273, 647, 648, 651 

Use: 

Measuring rod for measuring oil level and for checking length of oil pipe.

Fig 1: Identifying Measuring Rod (120 589 07 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.