Can’t log in to Mercantile Bank Bangladesh? MBL offers the MBL Rainbow digital banking app with digital onboarding and BanglaQR payments. This guide covers all login methods, app features, and troubleshooting tips.
Quick Access
How to Log In to Mercantile Bank
MBL Internet Banking
- Go to i-banking.mblbd.com
- Enter your User ID
- Enter your password
- Complete OTP verification
- Access your accounts
MBL Rainbow App
- Download MBL Rainbow app
- Open the app
- Log in with credentials
- Access all banking features
- No forms or branch visits needed
Open Account via App
- Download MBL Rainbow
- Enter mobile, NID, email
- Complete e-KYC verification
- Take selfie with NID
- Account ready in 2 minutes
MBL Rainbow Features
- Digital Onboarding – Open account without forms or branch visits
- e-KYC Verification – Verify identity with NID and selfie
- Add Money – From any VISA/Amex/Mastercard
- Fund Transfers – BEFTN, RTGS, NPSB interbank transfers
- MFS Transfer – Send to bKash and Nagad
- BanglaQR Payments – Scan to pay at merchants
- QR Branch Withdrawal – Cardless cash withdrawal
- A-Challan – Automated government challan payments
Common Login Issues
Forgot Password?
Use the password reset option in the MBL Rainbow app or internet banking portal. You’ll need your registered mobile number to receive an OTP for verification.
OTP Not Received?
Check your registered mobile number. Ensure network connectivity. Wait 60 seconds before requesting a new OTP. Contact [email protected] if issues persist.
Account Locked?
Your account may be locked after multiple incorrect login attempts. Call +880 1755-596166 or email [email protected] to unlock your digital banking access.
e-KYC Verification Failed?
Ensure good lighting when taking your selfie with NID. Make sure your NID is valid and clearly visible. Try again or visit any MBL branch for manual verification.
About Mercantile Bank Bangladesh
Mercantile Bank PLC (MBL) is one of the leading private commercial banks in Bangladesh. The bank was awarded the Mastercard Excellence Award 2026, recognizing its commitment to digital banking innovation and customer service.
MBL Rainbow is the bank’s state-of-the-art digital banking platform that allows customers to access banking services anytime, anywhere. The app offers digital onboarding with e-KYC verification, allowing new customers to open an Individual Simplified Savings Account in just two minutes using their NID, nominee photo, and selfie – no forms or branch visits required.
Contact Information
Phone Support
Digital Banking: +880 1755-596166
Call Center: 16205
Hours: Sunday-Thursday 10am-6pm
Head Office
61, Dilkusha C/A
Dhaka 1000
Bangladesh
Frequently Asked Questions
What is the MBL internet banking URL?
Access Mercantile Bank internet banking at i-banking.mblbd.com to log in to your account.
How do I download MBL Rainbow?
MBL Rainbow is free to download from Apple App Store and Google Play Store. Search for ‘MBL Rainbow’ to find the official Mercantile Bank app.
Can I open an MBL account without visiting a branch?
Yes! MBL Rainbow’s digital onboarding allows you to open an Individual Simplified Savings Account in just 2 minutes using your NID, nominee photo, and selfie.
What is e-KYC?
e-KYC (electronic Know Your Customer) is MBL’s digital identity verification using your NID number and selfie, eliminating the need for paper forms and branch visits.
Can I transfer to bKash and Nagad through MBL Rainbow?
Yes, MBL Rainbow supports MFS (Mobile Financial Services) transfers to bKash and Nagad directly from your account.
How do I contact MBL digital banking support?
Call +880 1755-596166 or email [email protected] for digital banking assistance. The general call center is 16205.
What is BanglaQR?
BanglaQR is Bangladesh’s national QR payment standard. MBL Rainbow supports BanglaQR merchant payments by scanning QR codes at participating shops.
Can I withdraw cash without a card?
Yes, MBL Rainbow offers QR Branch cash withdrawal, allowing you to withdraw money at branches without your physical debit card.
What is A-Challan?
A-Challan (Automated Challan) is a feature for paying government challans digitally through MBL Rainbow.
What awards has Mercantile Bank received?
Mercantile Bank received the Mastercard Excellence Award 2026 for its digital banking innovations and customer service excellence.
Other Banks in Bangladesh
Looking for other banks in Bangladesh? Check out our login guides for Dutch-Bangla Bank, BRAC Bank, and Islami Bank Bangladesh. For other South Asian banks, see HDFC Bank India and Commercial Bank Sri Lanka.
Last Updated on February 11, 2026
URL: https://log-in.me/mercantilebank-dhaka-bangladesh/