inputs.text: not purchase - flip key housing ml320 broken key ring bar kept falling thought would simple fix transfer circuit board chip key blade new housing first almost impossible get apart old mercedes key housing without destroying methods putting old housing oven using solvents soften epoxy holds two halves together not work effectively use small bit drehemel part two halves finally getting circuit board chip key blade old destroyed housing found not fit new housing ultimately going dealership new replacehement mentioned many people try no success not purchase 1500 seehems like quick fix deal really need go dealership 12900 replace reprogram not blame debacle amazon things purchased amazon years f grade given