Exhibit 99.40

MBNA MASTER CREDIT CARD TRUST II

SERIES 1999-L

KEY PERFORMANCE FACTORS
December 31, 2000



Expected B Maturity 10/16/06


Blended Coupon 7.0433%


Excess Protection Level
3 Month Average 4.21%
December, 2000 0.14%
November, 2000 6.33%
October, 2000 6.16%


Cash Yield19.79%


Investor Charge Offs10.15%


Base Rate 9.51%


Over 30 Day Delinquency 4.72%


Seller's Interest10.47%


Total Payment Rate13.35%


Total Principal Balance$57,190,978,436.47


Investor Participation Amount$750,000,000.00


Seller Participation Amount$5,990,287,874.98