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:
Important safety notes
For reasons of safety, Mercedes-Benz
recommends that you drive with the lights
switched on even during the daytime. In some
countries, operation of the headlamps varies
due to legal requirements a ...
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the
anti-theft alarm system will be trigger ...
Tire pressure specifications
Important safety notes
WARNING
Underinflated or overinflated tires pose the
following risks:
• the tires may burst, especially as the load
and vehicle speed increase.
• the tires may wear excess ...