New ISM Intelligent servo module
Part Number：
A 000 270 18 52
A 000 270 19 52
Compatible with:
E series: W212 E260 E300
S series: W221 S300 S350 S400 S500 S600 S63 S65
R series: W251 R300 R350 R500
ML series: W164 ML350 ML500 ML550
GL series: X164 GL500 GL550
