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 , and a connecting surface connecting the two surfaces , the connecting surface running substantially obliquely relative to the level surfaces 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 , and a connecting surface connecting the two surfaces , the connecting surface running substantially obliquely relative to the level surfaces 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 . <EOS>