450 589 00 21 00 Gauge (V-belt tension) - WS13.00-P-0010A
ENGINE 122, 132, 134, 135, 160, 639, 660
FG 13/Set A
Use:
Gauge (V-belt tension) for testing and adjusting the belt tension.
NOTE:
Gauge for testing the V-belt tension
Smart No. 0005080

Courtesy of MERCEDES-BENZ USA