Mercedes Benz Truck ML 350 (164.156) Technical # LI54-21_P-049185 Date: 100325 Keyless Entry - Won't Unlock At First Attempt
Mercedes Benz Truck ML 350 (164.156) Technical # LI54-21_P-049185 Date: 100325 Keyless Entry - Won't Unlock At First Attempt Unlocking via radio remote control inoperative on first key actuation Topic number LI54.21-P-049185 Version 1 Design group 54.21 Control modules/modules Date 03-25-2010 Validity Model series 164+251 with SA code 800 up to production date 31.03.2010 or older vehicles that have been flashed with software Reason for change Reason for block Complaint: Some vehicles occasionally or constantly cannot be unlocked at the first attempt. The customer must then operate the remote control key a second time. Cause: Due to a timing problem between the rear SAM and the radio signal receiver, the first radio signal can be lost. The vehicle is unlocked only on the second actuation of the remote control key. Remedy: Flash the rear SAM using SDS version 03/10 or higher. Page 265 Symptoms Parts Work units Validity