124 589 19 21 00 Pulse counter - WS42.00-P-0021B

MODEL 124.034/036, 140, 201, 202, 463 

MODEL 129 with module box 

Use in FG 42/Set B 

Purpose: 

Pulse counter for reading out fault codes.

Test equipment category CAT_A.

Fig 1: Identifying Pulse Counter (124 589 19 21 00)

Courtesy of MERCEDES-BENZ USA