From the interactive owner's handbook
Interactive Owner's Manual [251]
Deactivating
It is possible to switch off tow-away protection on the on-board computer for the next time the vehicle is locked more.
If you select Tow-away protection in the Vehicle submenu in the "Adjust display when ignition is switched off" function more, the Tow-away protection on Switch off using +/- message appears in the multifunction display.
You can then deactivate or prime tow-away protection by pressing the or button on the multifunction steering wheel.
Press the button on the multifunction steering wheel.
The Tow-away protection off message appears in the multifunction display.
If you press the button, tow-away protection remains primed.
Lock the vehicle with the key or, on vehicles with KEYLESS-GO, with the locking button on the door handle.
Tow-away protection remains deactivated until:
the vehicle is unlocked again and
a door is opened and closed again and
the vehicle is locked again
To prevent a false alarm, deactivate the tow-away protection if you lock your vehicle and it:
is being transported
is being loaded onto a ferry or car transporter, for example
is parked on a movable surface, e.g. in a split-level garage