Function restrictions

You will not be able to use the telephone, will no longer be able to use the telephone, or you may have to wait before using it, in the following situations:
• when the mobile phone is switched off
• when the "Bluetooth®" function is switched off in COMAND
• when the "Bluetooth®" function is switched off on the mobile phone
• if the mobile phone is not logged into a mobile phone network

on to a network. If no network is available, The telephone automatically tries to log on to a network. If no network is available, you will not be able to make a "911" emergency call. If you attempt to make an outgoing call, the NO SERVICE message will appear for a short while.

• if you remove the SmartKey from the ignition lock during an active conversation in hands-free mode, the conversation may be continued for up to 30 minutes. After that time, it will be interrupted.

You can prevent this interruption by switching to "private call" ("private mode") on the mobile phone before deactivating COMAND (see mobile phone operating instructions).

If you wish to switch off COMAND during an active conversation in hands-free mode, the following message will appear: You cannot shut off COMAND until you have finished your telephone call

    See also:

    Towing and tow-starting
    WARNING If you tow the vehicle, you must use a rigid towing bar if: • the engine is not running. • there is a brake system malfunction. • there is a malfunction in the power supply or the vehi ...

    Safety guidelines for seat belts,Emergency Tensioning Devices (ETDs)and air bags
    WARNING   • Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced. Their anchoring points must also be checked. Only use seat belts instal ...

    De-registering (de-authorizing) a mobile phone
    Mercedes-Benz USA, LLC recommends deauthorizating in both COMAND and the mobile phone. Subsequent authorization may otherwise fail. To call up the telephone menu: press the function button ...