W210 BENZ EZS Cable for W210/W202/W208 Works Together with VVDI MB TOOL to read password and test eis/ezs,and the benz w210 ezs cable has one switch,customer asked whats the switch used for?
It has 3 position
position I
position II
AND MIDDLE IS POSITION O
Position I and Position II is to switch obd2 7pin to yellow and orange lines.
Middle Position 0 is OFF.
Position I:Blue and yellow cable connect OK.
Position II: Blue and Red cable connect OK.
Middle:OFF
Whatsapp: 
Skype: