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Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI82-85_P-051952 Date: 120326

Technical Service Bulletin # Mercedes Benz Truck GLK 350 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

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).

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 61