SUITABLE FOR W204 W207 W212 FBS3 ONLY - UPTO 2013 IN GENERAL. - IF THE EMULATOR DISPLAYS A GREEN LIGHT WHEN KEY INSERTED AFTER PROGRAMMING, THE EMULATOR PROGRAMMING WAS SUCCESSFUL. - IF THE EMULATOR DISPLAYS A RED LIGHT AFTER PROGRAMMING, THEN PROGRAMMING FAILED OR THE KEY INSERTED INTO EZS|EIS DOES NOT BELONG TO IT.
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