Typically A000 905 29 03, A000 905 31 03, or A001 153 93 28 (confirm for your specific engine).
: This code typically affects advanced safety and assistance features such as Active Brake Assist , DISTRONIC (adaptive cruise control), and the Blind Spot Assist system.
: Dirt, mud, or ice covering the radar sensors located behind the bumpers. mercedes-benz u11a600
. If your steering functions normally, the official remedy is that the code can be ignored Active Malfunction:
If the code is accompanied by real-world system failures, the radar unit itself may be struggling to read the road environment. Typically A000 905 29 03, A000 905 31
Before buying replacement parts, it is essential to look at manufacturer technical bulletins. Mercedes-Benz published an official factory targeting this exact code. The Phantom Error
If you tell me the (error message, part, vehicle model/year), I can give you a precise post. . If your steering functions normally
Corroded connectors or damaged wiring harnesses leading to the front bumper.
A detailed diagnostic report on a 2019 Mercedes-Benz E300L revealed that the U11A600 code was ultimately caused by an internal short circuit within the A108 unit. Measuring the internal resistance of the faulty A108 unit showed a value of 14.7 kΩ, which was significantly lower than the 18.6 kΩ measured on a known-good unit, confirming an internal electrical fault. Replacing the A108 unit completely resolved the issue.
: Clean the front Mercedes star emblem or the areas behind the bumpers where radar sensors are housed using a soft cloth. 3. Electrical Issues