Repair information will be provided as soon as it becomes available.2005 Mercedes Benz CLK 320 Technical Service Bulletin # P-82_85-158 Date: 010801

COMAND(R) System - CD Changer Returns to CD Track 1
Date: August 1, 2001
Order No.: P-B-82.85/158
Supersedes:
Group: 82
SUBJECT:
Model 208 and 210, Model Year 2000, with COMAND
CD Changer Intermittently Returns To CDI Track / On Vehicle Start Up
If you encounter instances of CD Changer intermittently returning to CDI Track 1 after vehicle start on Model 208 or 210 Model Year 2000 vehicles
with COMAND, update the COMAND software to SW version 7.22.
Dealers will receive 1 copy of the 7.22 software automatically during the week of July 30, 2001. Please note that some COMAND units may not
accept or run the CD update. In these cases replace the COMAND unit.
Software installation instructions follow:

1. Turn ignition off and remove key.


2. Turn on the COMAND unit by pressing PWR button.


3. Eject navigation CD-ROM (if installed).


4. Turn off the COMAND unit by pressing the PWR key.


5. Wait a minimum of 15 seconds.


6. Press and hold both the "*" and "# " keys. While continuing to hold the keys down, turn on COMAND by pressing the PWR button.


7. Insert update CD-ROM. "Service Download from CD" menu appears.

Note:
Dates of current and new software will appear. The "new" software date should be more current than the one being replaced. If not, abort the
process by selecting CANCEL. If CD-ROM ejects itself and the CD's date of software is newer, reinsert CD-ROM and continue procedure. Do
not leave the service CD in the customers car.
8. Using the cursor knob, select START HEAD UNIT (should be selected by default) and then depress the knob to begin the download process.
Attention!
The update process takes up to 50-60 minutes and it is not necessary for the technician to remain with the vehicle and observe the update
process. The technician should return to the vehicle after the prescribed time to finish the procedure. During this time, DO NOT start the
vehicle, operate any other vehicle systems, eject the CD or power down the COMAND unit. Any significant voltage drop in the vehicle
could abort the update process. A partially completed update may render the COMAND unit inoperable. If the update procedure is
interrupted, aborts or takes longer than 1 hour, remove the COMAND fuse F1f10 (208) and F4f5 (210) (located under rear seat) for 30
seconds and restart procedure. DO NOT insert a navigation CD into the COMAND unit if a download via CD-ROM has not been
completed successfully. You may not be able to eject the navigation CD because the COMAND unit will remain in the download-mode.
9. When the update process is complete, the screen will display "SW-Download Successful".
2000 Mercedes Benz CLK 320 (208.365) V6-3.2L (112.940) Page 138
10. Depress the rotary knob to accept the message and complete the update process. COMAND will return to radio mode.

1. Eject the Update CD-ROM and re-insert the navigation CD-ROM (if removed in step 3).


2. . Verify that all modes of COMAND are functioning normally.

JWdg
Service Engineering
8-1-01
Parts Information