Mercantile Bank of Michigan provides secure online and mobile banking through their MercMobile platform. As Michigan’s largest community bank with over $6.9 billion in assets following the 2026 Eastern Michigan Financial merger, Mercantile serves businesses, individuals, and governmental units across more than 40 locations statewide.
Quick Facts
| Founded | December 15, 1997 |
|---|---|
| Headquarters | Grand Rapids, Michigan |
| Total Assets | $6.9 billion (2026) |
| Stock Symbol | NASDAQ: MBWM |
| Locations | 40+ branches across Michigan |
| Routing Number | 072413829 |
| SWIFT/BIC Code | MEMIUS33 |
| Online Banking | mercbank.com/login |
| Mobile App | MercMobile |
How to Log In to Mercantile Bank Online Banking
Web Browser Login
- Visit mercbank.com in your web browser
- Click the “Login” button in the top navigation
- Enter your Username in the first field
- Enter your Password in the second field
- Click “Sign In” to access your accounts
MercMobile App Login
- Download MercMobile from the App Store or Google Play
- Open the app and enter your Username
- Enter your Password
- Tap “Login” to access your accounts
- Enable Face ID, Touch ID, or fingerprint login for faster future access
First-Time Enrollment
- Visit mercbank.com and click “Enroll”
- Enter your account information for verification
- Create your Username and Password
- Set up security questions
- Accept the terms and conditions
- For MercMobile access, sign into online banking and click “Mobile Banking” to enroll
MercMobile Features
The MercMobile app provides comprehensive banking functionality:
- Account Management – View balances, pending transactions, and transaction history
- Mobile Check Deposit – Deposit checks directly from your smartphone camera
- Bill Pay – Pay bills electronically from your accounts
- Fund Transfers – Move money between Mercantile accounts
- Person-to-Person Payments – Send money to others powered by PayPal
- ATM Locator – Find the nearest ATM with GPS directions
- Branch Locator – Contact any branch location with one touch
- Mobile Wallet – Link your accounts for Apple Pay, Google Pay, and Samsung Pay
- Autobooks Tap to Pay – Accept contactless payments for business accounts
- Spending Tools – Budget tracking, spending trends, net worth, and cash flow analysis
MercMobile App Details
| App Name | MercMobile |
|---|---|
| Developer | Mercantile Bank of Michigan |
| iOS Requirement | iOS 16.0 or later |
| Android Requirement | Varies by device |
| watchOS | watchOS 9.0 or later |
| Price | Free |
| Mobile Deposit | Yes (enrollment required) |
| Biometric Login | Face ID, Touch ID, Fingerprint |
Additional Digital Tools
Mercantile Bank offers free digital services to enhance your banking experience:
- MercMoney – Budgeting and financial planning tools
- Savvy Money – Credit score monitoring and improvement tools
- eStatements – Paperless statements (waives monthly service fee)
- External Account Linking – View all your finances in one place
- Goals & Debt Management – Track savings goals and manage debt payoff
Troubleshooting Login Issues
Forgot Password
- Click “Forgot Password” on the login page
- Enter your Username and verify your identity
- Follow the prompts to reset your password
- Create a new secure password
Forgot Username
- Click “Forgot Username” on the login page
- Enter your account number and personal information
- Your username will be sent to your registered email
Account Locked
After multiple failed login attempts, your account may be temporarily locked. Call customer service at (800) 453-8700 for assistance or visit your nearest branch.
App Not Working
- Ensure you have a stable internet connection
- Update to the latest app version from your app store
- Clear app cache and restart
- Verify your device meets minimum requirements (iOS 16.0+, watchOS 9.0+)
- Reinstall the app if issues persist
Security Features
Mercantile Bank protects your accounts with multiple security layers:
- Multi-Factor Authentication – Additional verification for sensitive transactions
- Biometric Login – Face ID, Touch ID, and fingerprint authentication
- Session Timeout – Automatic logout after inactivity
- Encryption – 256-bit SSL encryption for all data transmission
- Fraud Monitoring – Real-time transaction monitoring for suspicious activity
- Security Alerts – Notifications for account changes and unusual activity
Contact Mercantile Bank
| Customer Service | (800) 453-8700 |
|---|---|
| Main Office | (616) 406-3000 |
| Hours (Mon-Fri) | 8:00 AM – 6:00 PM ET |
| Hours (Saturday) | 9:00 AM – 1:00 PM ET |
| Website | mercbank.com |
| Customer Service Page | mercbank.com/customer-service |
| Main Office Address | 310 Leonard St NW, Grand Rapids, MI 49504 |
About Mercantile Bank
Mercantile Bank Corporation was founded on July 15, 1997, and commenced banking operations on December 15, 1997, in Grand Rapids, Michigan. Founded by directors and bankers who believed customers are best served by financial institutions with local roots, Mercantile has grown to become Michigan’s largest community bank.
Key milestones in Mercantile Bank’s history:
- 1997 – Founded in Grand Rapids, Michigan with focus on community banking
- October 1997 – Initial public offering of common stock
- 2006 – Acquisition of Firstbank Corporation significantly expanded footprint
- 2026 – Completed merger with Eastern Michigan Financial Corporation
- Q1 2027 – Planned core system transformation to Jack Henry platform
As a publicly traded company on NASDAQ (MBWM), Mercantile Bank Corporation is the holding company for Mercantile Bank. The bank provides commercial, construction, mortgage, and consumer loans, as well as checking, savings, and time deposits. With the December 2026 merger with Eastern Michigan Financial Corporation, the combined institution has approximately $6.9 billion in assets and over 40 locations across Michigan.
Frequently Asked Questions
Is Mercantile Bank online banking free?
Yes, Mercantile Bank’s online banking and MercMobile app are free services. The bank also waives monthly service fees when you enroll in eStatements.
How do I enroll in Mobile Deposit?
Sign into Mercantile Online Banking, click the Mobile Banking link, and request Mobile Deposit enrollment. Upon approval, the feature is automatically added to your MercMobile app.
Can I use MercMobile on my Apple Watch?
Yes, MercMobile supports watchOS 9.0 or later, allowing you to view account information on your Apple Watch.
What is the routing number for Mercantile Bank?
The primary routing number for Mercantile Bank of Michigan is 072413829. For international wire transfers, use SWIFT code MEMIUS33.
Is Mercantile Bank part of a larger banking group?
Mercantile Bank Corporation (NASDAQ: MBWM) is an independent, Michigan-based bank holding company. In December 2026, they completed a merger with Eastern Michigan Financial Corporation, combining two institutions with shared values and community commitments.
How many branches does Mercantile Bank have?
Mercantile Bank operates over 40 branch locations across Michigan, with the main office located in Grand Rapids.
Can I pay bills through MercMobile?
Yes, MercMobile includes bill pay functionality. You can also make person-to-person payments powered by PayPal directly through the app.
What should I do if I notice suspicious activity on my account?
Contact Mercantile Bank’s customer service immediately at (800) 453-8700. The bank monitors transactions for fraud, but customers should also review their accounts regularly and report any unauthorized transactions.
Last Updated on January 4, 2026
URL: https://log-in.me/mercantile-bank-login/