X0101 EFFECT 33 LIVE 2017-04-07 0000051931-17-000616 485APOS 0000005506 AMERICAN MUTUAL FUND 002-10607 S000008999 AMERICAN MUTUAL FUND C000024449 Class A S000008999 AMERICAN MUTUAL FUND C000024450 Class R-1 S000008999 AMERICAN MUTUAL FUND C000024451 Class R-2 S000008999 AMERICAN MUTUAL FUND C000024452 Class R-3 S000008999 AMERICAN MUTUAL FUND C000024453 Class R-4 S000008999 AMERICAN MUTUAL FUND C000024454 Class R-5 S000008999 AMERICAN MUTUAL FUND C000024455 Class B S000008999 AMERICAN MUTUAL FUND C000024456 Class C S000008999 AMERICAN MUTUAL FUND C000024457 Class F-1 S000008999 AMERICAN MUTUAL FUND C000024458 Class 529-A S000008999 AMERICAN MUTUAL FUND C000024459 Class 529-B S000008999 AMERICAN MUTUAL FUND C000024460 Class 529-C S000008999 AMERICAN MUTUAL FUND C000024461 Class 529-E S000008999 AMERICAN MUTUAL FUND C000024462 Class 529-F-1 S000008999 AMERICAN MUTUAL FUND C000068556 Class F-2 S000008999 AMERICAN MUTUAL FUND C000077851 Class R-6 S000008999 AMERICAN MUTUAL FUND C000148452 Class R-2E S000008999 AMERICAN MUTUAL FUND C000164809 Class R-5E S000008999 AMERICAN MUTUAL FUND C000176470 Class F-3 S000008999 AMERICAN MUTUAL FUND C000186124 Class 529-T S000008999 AMERICAN MUTUAL FUND C000186125 Class T