Q: Steering problem on 2002 Mercedes-Benz CL500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
When I fully turn my steering wheel as far as it goes I hear a single loud popping noise. Also if I park with the front wheels turned they look like they're slightly rolling over on the side wall of the tire.
(1) Answer
I'd get the steering and the suspension checked preferably by a MB specialty shop.
Unfortunately it's almost impossible to give you good advise about noises and conditions which requires visual inspections.