Log in to China Merchants Bank online banking, select credit card repayment, and enter the total amount owed for one-time settlement.

First, log in to China Merchants Bank Online Banking, click on the credit card module, and select the repayment function. On the repayment page, enter your credit card number and total amount owed, select one-time repayment, and follow the system prompts to complete the repayment operation. To ensure accuracy, it is recommended to check billing information before repayment. If there is an installment payment, contact China Merchants Bank Credit Card Customer Service to cancel the installment and then make a one-time repayment.