Sunday, November 4, 2018

COMAND(R) - Switches ON With Vehicle Locked

Mercedes Benz C 250 4MATIC (204.085) (CAN) V6-2.5L (272.911) Technical Service Bulletin # LI82-85_P-051952 Date: 120326



COMAND(R) - Switches ON With Vehicle Locked



COMAND: System switches on without obvious cause with vehicle locked



Topic number LI82.85-P-051952



Version 1



Design group 82.85 Navigation and communication systems (CNS, ICS, COMAND, FleetBoard)



Date 03-26-2012



Validity Model 204 up to chassis #A531239, #F660210 and COMAND (code 512 or 527)



Reason for change



Complaint:



COMAND (A40/3) and central display (A40/8) switch on without obvious cause with vehicle locked. The system runs and can be operated



normally.



This complaint only occurs on COMAND (A40/3) with hardware release 08.11.



Note:



The fault profile does not cause the on-board electrical system battery to discharge. Generally, the head unit switches back off after 30 min. at the



latest with the ignition key removed.



Cause:



COMAND (A40/3) software error in combination with hardware release 08.11



2010 Mercedes Benz C 250 4MATIC (204.085) (CAN) V6-2.5L (272.911) Page 29



Remedy:



Update COMAND (A40/3) software. The modified software as of software release 08.28 is available since the Telematics CD Version 11/2008.



Note:



In isolated cases, the complaint may not be rectified after the COMAND software update. The cause my be the switch on the Audio/COMAND



display (A40/8). In this case, replace the Audio/COMAND display (A40/8).

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