Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
- the doors
- the tailgate
- the fuel filler flap

1
Locks the vehicle
2
Opens/closes the tailgate
3
Unlocks the vehicle
When unlocking, the turn signals flash once.
When locking, they flash three times.
When it is dark, the surround lighting also comes on if it is activated in the on-board computer.
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.
- 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.
See also:
First-aid kit
Depending on the vehicle's equipment, the
first-aid kit is located either in an open
stowage space or behind the cover on the left
side.
Open the trunk lid.
Example: first-aid kit beh ...
Convenience opening feature
You can ventilate the vehicle before you start
driving. To do this, the key is used to carry out
the following functions simultaneously:
• unlock the vehicle
• open the side windows
• open the ...
Styling
The 2012 M-Class retains many of the previous generation's styling cues, like
a wide front grille and forward-swept C-pillars, but the new design looks more
substantial and imposing. Contributing ...
