What could be wrong with my GPS Device? on 2004 Mercedes-Benz E500

The display on my device reads Device is Unavailable.

by in Virginia Beach, VA on June 20, 2013
1 answer
ANSWER by on February 13, 2014
There are a number of things from problem with the disc or the NAV hardware, there are a number of known problems which the manufacture has released TSBs for, I would start by checking with the common known problems before check for the not so common problems. Here is a list that you can start with that may help, Jim Description Potential Causes Confirmed Fix 1. No audio from NAV, CD, radio, or phone from D2B (Domestic Digital Bus) system.... 2004 Mercedes-Benz SL500 5.0L, V8, USA * Test Details... Confirmed Fix Details... Tests/Procedures: 1. Hook up factory compatible scan tool and Read/Record/Diagnose faults. Erase faults and function check audio system. 2. Look at "actual values" versus " specified values" in the command audio sy... 1 Confirmed fix CD Changer COMAND/Radio Control Module Fiber Optic Cable Navigation Control Module Tele-Aid Control Module Telephone Control Module Wiring Harness Connectors 1 - Navigation Control Module - Confirmed Fix - Exact Vehicle Match - Confirmed Fix - Similar Vehicle Match * - A vehicle with the same engine as the one you selected. Back to Top < Previous 10 | Next 10 > Results: 1 - 1 of 1 Show All Hotline Archives for Same Engine Package +/- 2yrs : Hotline Fixes Description Potential Causes Confirmed Fix 1. Navigation does not recognize disc and disc does not eject.... 2006 Mercedes-Benz E500 4Matic 5.0L, V8, Des 113.969, USA * Test Details... Confirmed Fix Details... Tests/Procedures: 1. Perform system reboot. Remove power and ground from drive unit. Wait 2 minutes and re-connect. Erase codes and function check operation. 2. Verify Navigation disc is correct application (C... Audio Gateway Module Navigation System Disc Navigation Unit * - A vehicle with the same engine as the one you selected. Back to Top < Previous 10 | Next 10 > Results: 1 - 1 of 1 Show All TSBs: Technical Service Bulletins Unedited OEM TSBs OEM Number Issue Date Description P-B-82.85/264 07/22/2003 NAVIGATION SYSTEM GUIDANCE ERRONEOUS OR DOES NOT FUNCTION DUE TO POSSIBLE SWITCH-OFF OR INCORRECT GPS SIGNALS DURING WORLDWIDE CRISIS SITUATIONS S-B-65.00/02 05/14/2008 RETROFIT FOR ROOF REPLACEMENT OF THE TELEPHONE AND GPS ANTENNA WITH RELEVANT WIRING HARNESS P-I-82.70/280 09/01/2003 VOICE ACTIVATED CELLULAR TELEPHONE INSTALLATION P-B-82.85/301 02/02/2004 DTC D300 IN NAVIGATION SYSTEM P-B-82.95/322A 04/01/2004 "TELE AID NOT ACTIVE" DISPLAYED IN INSTRUMENT CLUSTER - REVISED P-I-82.85/322 04/01/2004 NAVIGATION SYSTEM INSTALLATION - SEDAN P-I-82.85/321 04/01/2004 NAVIGATION SYSTEM INSTALLATION - WAGON P-B-82.85/363+ 05/27/2004 SWITCHING BETWEEN DAYLIGHT SAVINGS AND STANDARD TIME IN COMMAND P-B-82.85/404 10/05/2004 NAVIGATION INACCURATE P-B-82.85/374A 10/08/2004 SOFTWARE TO RESOLVE NAVIGATION ISSUES - REVISED