Q: steering on 2006 Mercedes-Benz CL500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I have a noice that sounds like a a toy car is winding up what could it be?
(1) Answer
can you give me a better description of the noise where is coming from what is causing it when does it happen details please