Bad service

I tried to contact Mbd to settle my account, they never even tried to contact me my surprise an account has increased from the actual amount I owed. I want to settle the account and get the settlement letter from them and they are refusing they prefer me to pay monthly. I emailed the manager today and she has not rep**** to my email till now. It's like these guys don't want us to settle these accounts. Can someone please contact me with the discounted settlement offer would like to pay this off. They are very hard to get hold of.