VVDI MB BGA tool – W211 not read with OBD2

Post starts with question that “VVDI MB BGA tool not read W211 with OBD2” then followed with reason and how to do correctly.
xhorse-vvdi-mb-bga-tool-update-9
Tool: VVDI MB BGA tool
Question:
I use VVDI MB BGA tool test read data with obd2 210 k line working and 204 car read with obd 2 but 211 not read with obd2.

Cable connect
16 12v
4+5 GND
14 CAN_L
6 CAN_H

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

Question:
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.

Question:
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.

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