MTN adds extras on data account without permission

I have had several additional charges being added to my data account since Feb. Latest being Reyceo. This has added over R300 to my acc since Feb. I contacted MTM about this abd they would let me know what is going on but to date i have heard nothing. They keep adding theses extras without my permission. It is a data acc so i cant even cancel this with *155#. Please resolve this as tou are ********ly *****ing my money.