Unlocking the trunk (mechanical key

when 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.

the SmartKey. Take the mechanical key out of the SmartKey.
trunk lid 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 position 2. Turn the mechanical key counter-clockwise from position 1 as far as it will go to position 2.
The trunk is unlocked.
position 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:

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    If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely ...