The estate agent appeared before the Randburg magistrate's court on Monday.
In June, eNCA.com published a video showing Momberg calling black officers arrogant, useless, clueless and the k-word.
The police laid a charge of crimen injuria against her.
The charge has been defined as a willful injury to someone’s dignity, caused by the use of obscene or racially offensive language or gestures.
She said just before the recording she was the victim of a smash-and-grab incident.
The prosecution insist her outburst in the video was not an isolated incident.
eNCA spoke to a woman who was a subordinate of Momberg's who said that she had suffered abuse from the estate agent.
The nature of the seven additional charges of crimen injuria against her is not clear but is likely to be revealed at the next court appearance on 6 September.
* Watch the video report by Bongiwe Khumalo in the gallery above.