User blog comment:D-man the guy/Question, Do Robots Age?/@comment-33173-20171129132927

Why not? Besides maturing their AI (software), their body (hardware) can age by upgrading, remodelling, replacing parts, ... which eventually start to wear and rust. Andrew aged becaused he wanted to, and in the (non-canon) mod cards from MMZ3, he can replace his older parts to become young again.