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Card Management


Both Merck EFCU credit and debit cards offer convenient ways to management your cards, monitoring your spending, set alerts, mark for travel and more.


For our debit cards, you can access card controls directly in the credit union's mobile app. Log in is the same username and password you use for online banking.

To download the app, click the links for your respective device(s). Our mobile app is a great companion to your MEFCU membership. It provides on-the-go ability to complete a variety of tasks such as checking balances, transferring between accounts, paying bills and even depositing checks.

Download on the Apple Store Get it on Google Play

Download the app and set up your card in order to protect your accounts against fraud and easily monitor your spending right through your smartphone. Through card management tools in the app, you have the ability to temporarily turn off your card if you think your may have lost it. This saves you time and is more convenient than calling or going to the credit union. In addition, smartphone alerts can be easily set up and customized so you can be notified of a charge on your card. You can also add geographic restrictions and spending limits to better monitor your dependent’s spending.


For our credit cards, you can access the card controls directly in the credit card mobile app.

To download the app, click the links for your respective device(s).

Apple App Store Credit Card App

Google Play Store Credit Card App

In the app you can manage your card as noted. You can also pay your bill and monitor transactions on your card.

Download the app that fits your Merck Employees FCU relationships today.