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:
Jump-starting
For the jump-starting procedure, use only the jump-starting connection point,
consisting of a
positive terminal and an earth point, in the engine compartment.
WARNING
Battery acid is caustic. Ther ...
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 ...
SmartKey battery
Important safety notes
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batt ...