Locking the trunk separately

You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened.

Take the mechanical key out of the Close the trunk lid.
SmartKey. Take the mechanical key out of the SmartKey.

Insert the mechanical key into

the trunk lid lock as far as the stop. Insert the mechanical key into the trunk lid lock as far as the stop.
from position 1 to position 2. Turn the mechanical key clockwise from position 1 to position 2.
Insert the mechanical key into the Remove the mechanical key.
SmartKey. Insert the mechanical key into the SmartKey.

    See also:

    The M-Class also protects its occupants after a crash
    As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...

    General information
    If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. ► Check the battery ...

    Important safety notes
    WARNING The PARKTRONIC is a supplemental system. It is not intended to, nor does it replace, the need for extreme care. The responsibility during parking and other critical maneuvers always ...