Unlocking the trunk (mechanical key)

opened. Therefore, make sure that there is The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid.

If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the mechanical key.

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

SmartKey. Take the mechanical key out of the SmartKey.
lock as far as the stop. Insert the mechanical key into the trunk lid lock as far as the stop.

Turn the mechanical key counter-clockwise

from position 1 as far as it will go to Turn the mechanical key counter-clockwise from position 1 as far as it will go to position 2.
The trunk is unlocked.
1 and remove it. Turn the mechanical key back to position 1 and remove it.
SmartKey. Insert the mechanical key into the SmartKey.

    See also:

    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 ...

    Lap evaluation
    This function is only available if you have stored at least two laps and have stopped the RACETIMER. Press or on the steering wheel to select the AMG menu. Press the button repeatedly ...

    General notes
    USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must ...