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Technical Service Bulletin # Mercedes Benz Truck GL 550 S-82_85-697 Date: 110209

Technical Service Bulletin # Mercedes Benz Truck GL 550 S-82_85-697 Date: 110209

COMAND(R) - APS (A40/3) Telematics Generation 2.5 Info.

Date: February 9, 2011

Order No.: S-B-82.85/697

Group: 82

SUBJECT:

MY2009 to Present, Model 164, 171, 211, 219, 230, 251 with Code 512 COMAND APS with DVD changer, with Code 527 COMAND APS with

single DVD drive (with navigation); Model 203.7 with Code 527 COMAND APS with single DVD drive (with navigation) with Code 044 New

Telematics Generation NTG 2.5; Model 463 with Code (EU1)

Replace Hard Disk

There is now a separate replacement procedure for the COMAND APS (A40/3) telematics generation 2.5.

Perform a quick test to ensure the disk is causing the problem.

NOTE:

DTC 94D9 - internal hard disk has a malfunction is a key DTC to look for.

2011 Mercedes Benz Truck GL 550 (164.886) V8-5.5L (273.963) Page 122

Customer complaints indicative of a defective hard disk are in group 82 of TIPS. You must first use XENTRY diagnostics to ascertain a hard

drive/hard disk error.

After the hard disk has been installed, SCN code and program the control unit. For the guided procedure go to: COMAND APS > Initial startup >

Replacement of hard disk.

After installation of the hard disk, also update the navigation map with the appropriate DVD.

See WIS document AR82.85-P-1001A for Remove and Install of the COMAND APS hard disk.