Mercedes-benz U11a600 Site
Since is not a standard Mercedes model code (like W204, W223), it likely refers to:
If you are not comfortable with DIY diagnostics, take your Mercedes to an independent German car specialist. Show them this article. A competent technician with a Mercedes scanner will have U11A600 diagnosed in 20 minutes and your car back on the road, running smoothly, before lunch. mercedes-benz u11a600
The steering functions and safety systems typically continue to operate without any actual restrictions, even when this code is present in the "stored" memory. Since is not a standard Mercedes model code