Pluggable connector of an electrical plug-in connection

A pluggable connector of an electrical plug connection comprising the pluggable connector and a mating connector assigned to the pluggable connector to which the pluggable connector is pluggable in a plug direction, the pluggable connector comprising:

• a housing;
• at least two electrical plug contacts at least partially arranged in the housing, each of the at least two electrical plug contacts having a plug section, which is designed to come into contact mechanically and electrically with a mating plug contact of the mating connector,
• at least one first fastening element;
• and
• at least one second fastening element,
• wherein the housing has a contact chamber for accommodating the plug sections of the plug contacts,
• wherein the contact chamber, at least in an area of the plug sections arranged therein, has circumferential sidewalls,
• wherein the at least one first fastening element is designed for attaching a functional element to the housing outside the contact chamber, and
• wherein the at least one second fastening element is set up for attaching a functional element to the housing within the contact chamber.