why My key will not turn on and the alarm keeps going off on 2001 Mercedes-Benz E320

key will not turn to start car alarm keeps going off battery is good

Asked by for the 2001 Mercedes-Benz E320
There may something wrong with your key. You may need car key programming tool, have a look at http://www.obd2life.com/car-key-programming-c-87.html , hope you can find one that suit your problem.