Mercedes Benz EIS / EZS Ignition Switch Testing Key For All Models Tester

EIS / EZS is the electronic switch of Mercedes Benz, it's one of the parts which damage easily.
With this key, you can check if the EIS / EZS it's working or not, if it's giving a signal or not.

It's very simple to use, just insert the test key in the EIS / EZS, if the indicator light is in the key switch it on for four seconds that means the EIS / EZS it's working, and if there is no light that's mean there is some problem with the EIS / EZS, or electrical problem in the vehicle.

There are many ways to repair it, and we can repair all of the problems which happened to the EIS, contact us with your problem to tell you what to do.