Heatable composite pane having a capacitive switching region, comprising: - a substrate and a cover pane, - at least one intermediate layer, which is arranged between the substrate and the cover pane, - plural heating wires and at least two busbars, which are arranged between the cover pane and the intermediate layer, wherein the heating wires are electrically conductingly connected to the busbars such that upon application of an electrical voltage to the busbars, a heating current can flow through the heating wires, whereby the heating wires can be heated, wherein - an electrically conductive contact wire, which is different from the heating wires, is arranged between the substrate and the intermediate layer or between the cover pane and the intermediate layer, - at least one region of the electrically conductive contact wire forms a capacitive switching region, - the capacitive switching region has at least one contact region and one connection region, the contact region is electrically connected to the connection region, and the connection region can be electrically connected to a sensor electronics system, wherein - the contact wire has a free end, wherein - the contact wire has no direct physical contact with the at least one heating wire, characterized in that the contact wire is galvanically connected to one of the two busbars at precisely one connection region, and that the contact wire is situated, at least in the projection perpendicular to a pane surface, between two immediately adjacent heating wires, wherein the two heating wires extend in each case continuously from one busbar to the other busbar. - a substrate and a cover pane, - at least one intermediate layer, which is arranged between the substrate and the cover pane, - plural heating wires and at least two busbars, which are arranged between the cover pane and the intermediate layer, wherein the heating wires are electrically conductingly connected to the busbars such that upon application of an electrical voltage to the busbars, a heating current can flow through the heating wires, whereby the heating wires can be heated, wherein - an electrically conductive contact wire, which is different from the heating wires, is arranged between the substrate and the intermediate layer or between the cover pane and the intermediate layer, - at least one region of the electrically conductive contact wire forms a capacitive switching region, - the capacitive switching region has at least one contact region and one connection region, the contact region is electrically connected to the connection region, and the connection region can be electrically connected to a sensor electronics system, wherein - the contact wire has a free end, wherein - the contact wire has no direct physical contact with the at least one heating wire, characterized in that the contact wire is galvanically connected to one of the two busbars at precisely one connection region, and that the contact wire is situated, at least in the projection perpendicular to a pane surface, between two immediately adjacent heating wires, wherein the two heating wires extend in each case continuously from one busbar to the other busbar.