How do you replace 3rd brake light on the Mercedes e class 2004?

To replace the third brake light on a 2004 Mercedes E-Class, first, open the trunk and remove the trim panel covering the brake light assembly. Disconnect the electrical connector and remove the screws securing the brake light. Replace the old light with the new one, reattach the screws, and reconnect the electrical connector before replacing the trim panel. Test the light to ensure it functions properly.