The Mercedes-Benz fault code typically indicates a communication malfunction with the radar sensor system
If the sensor is receiving proper power and ground, the wiring harness tests intact, but diagnostic equipment still cannot ping the "Radar Sensorics" module, the radar sensor itself has likely suffered an internal component failure and requires replacement. Note that a newly installed factory radar sensor will require coding and calibration to match the vehicle’s specific configuration.
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– Mercedes' predictive occupant protection system turns off.
Verify that the car battery is healthy and providing consistent voltage. Step 5: Advanced Diagnostics (Star Diagnosis) mercedes-benz u11a600
Monitor the following live values while idling and under light acceleration:
: While the code sounds serious, it often appears in the background without causing immediate steering failure. However, in some cases, users report that after attempting to reset adaptations or using used parts, the steering assist may stop functioning entirely. Official Remedy and Maintenance However, in some cases, users report that after
: "Communication with the 'radar sensor system' control unit has a malfunction".
Pressurize the intake system to 5–10 PSI and listen for hissing. Pay special attention to: Pay special attention to: