WHAT DOES MERCEDES IGNITION SWITCH MEAN?

In the immovilizer sistem i have read this code : A22449- Digital ignition switch internal fault. Can this be 100% ezs problem? Any response could be quite apreciate. Followup within the Pelican Staff members:Once the steering lock fails, The important thing turns the ignition, but it will likely not start the motor. As an alternative, if the criti