A device for automatically repairing a damaged spot of a glass pane, the device comprising: a processing head, which is configured to be arranged on the glass pane, including: a fixing section configured to fix the processing head to the glass pane, a repair section configured to fill the damaged spot with a repair means, a first passage having a first opening which leads into the fixing section and which is configured to be applied with a negative pressure, wherein by means of the first opening, the negative pressure is applied between the glass pane and the fixing section, a second passage having a second opening (107, 107a, 107b) which leads into the repair section and which is configured to be applied with an at least partially alternating pressure profile for a predetermined duration, wherein by means of the second opening (107, 107a, 107b) the at least partially alternating pressure profile is applied between the damaged spot and the repair section, wherein the processing head is configured such that a repair means is introduced into the second passage, for applying the repair means to the damaged spot and for enabling the damaged spot to be filled with the repair means, wherein the alternating pressure profile contains a repeating sequence of a negative pressure -p, a normal pressure N, and an overpressure +p, wherein the device comprises a control unit which, in response to activation of the control unit, is configured to continuously apply the negative pressure -p to the first passage, whereby the processing head is fixed to the glass pane during the entire period of repair, and to automatically apply the alternating pressure curve, the negative pressure -p, the normal pressure N, and the overpressure +p to the second passage from the start of the predetermined duration until the end of the predetermined duration. a fixing section configured to fix the processing head to the glass pane, a repair section configured to fill the damaged spot with a repair means, a first passage having a first opening which leads into the fixing section and which is configured to be applied with a negative pressure, wherein by means of the first opening, the negative pressure is applied between the glass pane and the fixing section, a second passage having a second opening (107, 107a, 107b) which leads into the repair section and which is configured to be applied with an at least partially alternating pressure profile for a predetermined duration, wherein by means of the second opening (107, 107a, 107b) the at least partially alternating pressure profile is applied between the damaged spot and the repair section, wherein the processing head is configured such that a repair means is introduced into the second passage, for applying the repair means to the damaged spot and for enabling the damaged spot to be filled with the repair means, wherein the alternating pressure profile contains a repeating sequence of a negative pressure -p, a normal pressure N, and an overpressure +p, wherein the device comprises a control unit which, in response to activation of the control unit, is configured to continuously apply the negative pressure -p to the first passage, whereby the processing head is fixed to the glass pane during the entire period of repair, and to automatically apply the alternating pressure curve, the negative pressure -p, the normal pressure N, and the overpressure +p to the second passage from the start of the predetermined duration until the end of the predetermined duration.