TOP GUIDELINES OF MERCEDES KEYS

In the immovilizer sistem I've read through this code : A22449- Digital ignition switch internal fault. Can this be 100% ezs dilemma? Any response will be extremely apreciate. Followup from the Pelican Personnel:On thrust-button get started cars, Verify which the important fob battery is good, or try a unique fob. If you still can’t unlock your s