A composite component comprising at least one first and one second sheet metal plate with at least one layer of a polymer arranged between the first and the second sheet metal plates provides for a component optimized with respect to the weight thereof, and which is at the same time simple to manufacture. The polymer layer of the composite component according to the invention comprises at least one foamed polymer layer of a thermoplastic polymer, wherein the foamed polymer layer comprises gas bubbles with a volume percentage of 1% to 80%, in particular 5% to 70%.