SmartKey functions
■ To unlock centrally: press the 
button.
If you do not open the vehicle within approximately 40 seconds of unlocking: • the vehicle is locked again.
• the theft deterrent locking system is armed again.
■ To lock centrally: press the 
button.
The SmartKey centrally locks/unlocks: • the doors • the tailgate • the fuel filler flap
When unlocking, the turn signals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm that the vehicle has been locked. The audible signal can be activated and deactivated using the on-board computer .
When it is dark, the surround lighting also comes on if it is activated in the on-board computer .
See also:
Parking the vehicle for a long period
If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharge.
► Connecting a trickle charger.
You can obtain information about trickle
...
General notes
Environmental note
Daimler's declared policy is one of
comprehensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet t ...
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
...