Moisture entry is the primary cause of actual radar system failures. The radar sensors sit behind the front bumper grill or inner corners of the rear bumper. These locations constantly face rain, puddles, and road salt. If the sensor housing seals degrade, water seeps into the unit, short-circuiting the internal circuit board and severing communication with the CAN bus. Physical Obstructions
The bulletin explicitly states that if code U11A600 is pulled from the steering control unit (N68), it is frequently shown by mistake by the XENTRY software.
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Need a specific wiring diagram for your chassis? Leave a comment below or consult the Mercedes WIS (Workshop Information System) for official repair procedures.
If you are experiencing actual performance issues (e.g., loss of power steering or assistance warnings), it is recommended to use an authorized Mercedes-Benz service center to verify if the radar sensors require recalibration or if the control unit software needs an update to clear the "mistaken" fault. mercedes-benz u11a600
: The radar sensor—usually located behind the front Mercedes emblem or bumper—may be blocked by dirt, snow, or mud.
Modern Mercedes-Benz passenger cars and vans rely heavily on Advanced Driver Assistance Systems (ADAS). These systems use a complex, high-speed controller area network (CAN bus) to pass information instantly between different computers. Moisture entry is the primary cause of actual
If you tell me the (error message, part, vehicle model/year), I can give you a precise post.
When U11A600 represents an active system failure rather than a minor software glitch, it will immediately affect features tied to the front or rear radar networks. Drivers will typically observe: If the sensor housing seals degrade, water seeps
Your adaptive cruise control will refuse to activate or will abruptly turn off mid-drive.