VVDI MB Tool Power adapter can work together with VVDI MB BGA Tool for W204 W207 W210 W216 W164 data acquisition.
Most W204 W207 W212 ESL will damage with EIS. In this case, there are two possible reasons and solution:
ESL motor is damaged and need to replace a new motor
NEC chip is locked, theoretically it can be unlock, actually it needs to replace new ESL.