SLK 300 (171.454) V6-3.0L (272.942) (2011)
Communications Control Module: Technical Service Bulletins
COMAND(R) - APS (A40/3) Telematics Generation 2.5 Info.
Date: February 9, 2011
Order No.: S-B-82.85/697
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.
DTC 94D9 - internal hard disk has a malfunction is a key DTC to look for.
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
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.