General notes

If you use the mechanical key to unlock and open the driver's door or the trunk lid, the anti-theft alarm system will be triggered.

There are several ways to turn off the alarm:
SmartKey: press the  or To turn the alarm off with the SmartKey: press the button or on the SmartKey. button on the SmartKey.
or
Insert the SmartKey into the ignition lock.
or
the To deactivate the alarm with KEYLESS-GO: press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.
or
KEYLESS-GO. Lock or unlock the vehicle using KEYLESS-GO.
The SmartKey must be outside the vehicle.

    See also:

    Selecting music files
    Note COMAND displays the data stored on the iPod®, MP3 player or USB mass storage device according to the filing structure used in the respective medium. Selecting by skipping to a track To ...

    Cleaning the windows
    WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop b ...

    2010 Mercedes-Benz C-Class Review
    Traditionally the cheapest bed at Hotel Benz, the C-Class sedan has been a success for Mercedes. It's outsold its larger siblings eight of the past 10 years — despite the fact that some versions h ...