New Update information,here is a W211 All Keys Lost Programming Case:
pin 1 : ESL 1
pin 2 : GND
pin 3 : +12V (30)
pin 5 : CAN L (White)
pin 6 : CAN H (Green)
pin 7 : CAN L
pin 8 : CAN H
CAN ANY ONE TEST
Answer: read eis via obd for W164, W169, W211, W209, require gateway connected
What does one do to connect to gateway? Do you mean read while EZS is connected to the car?
Answer: correct, need to connect to the car. If you test on bench, also need to connect gateway.
Why need gateway??Other tool does not need it!!
Cannot ask customer or mechanic to send me also gateway for make a keys ,in many cases MB owner send us the eis .
Also it is now possible to read the pass from old EIS (Motorola) via IR or OBD or even on bench using CAN??
Answer: u can read old EIS Motorola type by K line only but not obd like 208 209 210 211 and 220 using vvdi.