Self-healing rubber composition and tire or article of manufacture

A self-healing rubber composition comprising: a functionalized elastomer comprising a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer, and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion is disclosed. The rubber composition may be used in a pneumatic tire or in a hose, a transmission belt, a drive belt, an air spring, a conveyor belt, a drive track or shoe sole.