As known, when VVDI MB tool program key, it will read out the EIS data firstly, while the owner can’t read out of the car. With this Xhorse Benz W164 Gateway Adapter, you can connect it to the vehicle gateway and remove EIS in office, which is very convenient.
Here are couples of pictures:
EIS/ELV Test Line covers W204 W212 W221 W164 W166 W205 W222
Working with Gateway Adapter, you will able to read EIS data in office when you program key on any of W204 W212 W221 W164 W166 W205 W222.