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:
Theft deterrent locking systems
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can ...
Active Driving Assistance package
General notes
The Active Driving Assistance package consists of DISTRONIC PLUS ,
Active Blind Spot Assist and Active Lane Keeping Assist .
Active Blind Spot Assist
General ...
General notes
WARNING
Replace rims or tires with the same
designation, manufacturer and type as shown
on the original part. For further information
contact an authorized Mercedes-Benz Center.
If incorrectly ...