2008 Mercedes CL-Class Owner's Manual - Page 186
2008 Mercedes CL-Class Manual
Page 186 highlights
Control systems COMAND navigation (introduction) Updating After you have loaded the DVD, you will see a message to the effect that the disc does not contain a recognizable audio format. Confirming message: Press n. COMAND checks whether the map software on the DVD is compatible with the vehicle's navigation system and whether it is compatible with the current system software. Map software is compatible with the navigation system and the current system software COMAND now checks whether the map data on the DVD is already installed. Map data is not yet installed You will see a comparison of the version statuses in the display and a prompt will appear asking whether you want to continue with the update. Select "Yes" or "No". If you select "No", COMAND automatically ejects the DVD and the map data is not updated. Take DVD out of the slot. If you select "Yes", the map data is updated. Map data is already installed You will see a message that the map data is already installed and a prompt will appear asking you whether you want to continue with the update. Select "Yes" or "No". If you select "No", COMAND automatically ejects the DVD and the map data is not updated. Take DVD out of slot. If you select "Yes", the existing map data is saved again. 1 Progress bar You can either cancel the update or allow it to run to the end without canceling. Canceling an update on the DVD changer: Press corresponding magazine tray button 2 ( page 184). The DVD will be ejected in both cases. Take DVD out of slot. Updating the map data While the update is running, you will see a message to this effect and a progress bar. The progress bars fills up from left to right during the update. 185