A system comprising: a connector housing for an electrical plug connector, the connector housing having a housing part and a shielding element arranged on the housing part, wherein the shielding element has at least one contact spring which is configured in the region of a side wall of the shielding element, the at least one contact spring having a shape protruding in an angled shape relative to the side wall, a connecting section that extends away from the side wall and that is connected to the side wall, a curvature section adjoining the connecting section, and a contacting section that adjoins the curvature section and that forms a free end of the contact spring; and a mating connector housing for an electrical mating plug connector, and a mating contact device having a shielding part arranged on the mating connector housing, characterized in that the contacting section has at its end an end section which is curved outwards; the mating connector housing has at least one press-on structure comprising two offset, parallel, level surfaces (251, 253), and a connecting surface connecting the two surfaces (251, 253), the connecting surface running substantially obliquely relative to the level surfaces (251, 253) and having a curved design running in an S-shape, each press-on structure substantially comprising the connecting surface, wherein the contact spring of the shielding element of the connector housing is bent by compression of the contact spring by the connecting surface of the press-on structure during a plugging process between the connector housing and the mating connector housing and as a result is pressed onto the shielding part; and contact of the shielding part of the mating contact device with the contacting section of the contact springs is via a touch contact between the end section and the shielding part. a connector housing for an electrical plug connector, the connector housing having a housing part and a shielding element arranged on the housing part, wherein the shielding element has at least one contact spring which is configured in the region of a side wall of the shielding element, the at least one contact spring having a shape protruding in an angled shape relative to the side wall, a connecting section that extends away from the side wall and that is connected to the side wall, a curvature section adjoining the connecting section, and a contacting section that adjoins the curvature section and that forms a free end of the contact spring; and a mating connector housing for an electrical mating plug connector, and a mating contact device having a shielding part arranged on the mating connector housing, characterized in that the contacting section has at its end an end section which is curved outwards; the mating connector housing has at least one press-on structure comprising two offset, parallel, level surfaces (251, 253), and a connecting surface connecting the two surfaces (251, 253), the connecting surface running substantially obliquely relative to the level surfaces (251, 253) and having a curved design running in an S-shape, each press-on structure substantially comprising the connecting surface, wherein the contact spring of the shielding element of the connector housing is bent by compression of the contact spring by the connecting surface of the press-on structure during a plugging process between the connector housing and the mating connector housing and as a result is pressed onto the shielding part; and contact of the shielding part of the mating contact device with the contacting section of the contact springs is via a touch contact between the end section and the shielding part.