Alarm Sounds for No Reason PDF
A service bulletin that addresses an issue related to the Anti-Theft Alarm (ATA) system in Mercedes-Benz M-Class vehicles, specifically the ML320 model. The bulletin provides guidance on diagnosing the problem where the alarm sounds without reason, recommending the disabling of the anti-tow and interior protection (glass break) sensor using the HHT (AAM version coding menu). If disabling resolves the issue, replacement of the sensor is advised. It includes a table with operation codes, damage codes, and time estimates for repairs.


