Marzahn-Hellersdorf is in northeast Berlin . It has borders with Lichtenberg in the west , Treptow-K Ã penick in the south and the state of Brandenburg in the east and north . Marzahn-Hellersdorf borders to the Berlin boroughs of Lichtenberg in the west and Treptow-K Ã penick in the south as well as to the Brandenburg municipalities of Ahrensfelde in the north and Hoppegarten and Neuenhagen in the east .