A control mechanism for a medicament delivery device is provided having a medicament container connection mechanism, for connecting a medicament container with a medicament delivery member a penetration and withdrawal mechanism, for actuating a penetration and a withdrawal sequence a medicament delivery drive unit, for expelling a medicament an activation mechanism, for initiating a penetration and medicament delivery sequence a stop mechanism, for initiating a withdrawal sequence wherein the control mechanism further comprises a control member, linearly movable between a first position and a second position, which control member is connectable to the medicament container connection mechanism, to the penetration and withdrawal mechanism, to the medicament delivery drive unit, to the activation mechanism, and to the stop mechanism.