If you are currently experiencing this error, knowing the following can help me provide more specific guidance: is your Mercedes-Benz? Do you have Adaptive Cruise Control (Distronic) installed?
These systems depend on real-time data from radar sensors (often located behind the front bumper, grille, or rear bumper) to function correctly. A communication fault like U11A600 means one of these sensors is not sending data, leading your car to deactivate the affected safety features as a precaution.
The ECU runs continuous self-tests on all air management components. When the difference between measured manifold pressure and calculated target pressure exceeds a threshold (e.g., 200–300 mbar for a set duration), U11A600 is stored. There are five primary culprits:
control unit, often specifically stored within the steering control unit. mercedes-benz u11a600
: Clean the front Mercedes star emblem or the areas behind the bumpers where radar sensors are housed using a soft cloth. 3. Electrical Issues
Are you currently seeing any along with this code, or is the car driving normally?
The U11A600 code frequently populates inside the Electrical Power Steering control unit (N68) or the Drive Train control unit (PTCU/N127) completely by mistake. If you are currently experiencing this error, knowing
This "radar sensor" is not one unit but a network of sensors integral to your car's suite of driver assistance systems. This suite commonly includes features like:
[Radar Sensor / Bumper] ---> [Moisture/Corrosion] ---> [CAN Bus Disruption] ---> [U11A600 Error] Moisture and Environmental Contamination
When this code is stored, it is usually found within the . It suggests that the steering system is unable to properly communicate with the radar sensors that power features like Active Lane Keeping Assist or Active Distance Assist. Common Symptoms and Validity A communication fault like U11A600 means one of
"Communication with the 'radar sensor system' control unit has a malfunction."
The Mercedes-Benz fault code typically indicates a communication malfunction with the radar sensor system
GLA250 Radar Sensor Dirty? Expert Help & Cleaning Guide - JustAnswer
When performing a short test and finding U11A600 in the N68 control unit, check for related "Current" (Active) faults. If U11A600 is only "Stored" and there are no actual customer complaints regarding steering or radar performance, Mercedes-Benz recommends clearing the code and proceeding without replacing any hardware. Fault code U11A600 stored steering control unit - nhtsa