Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the trunk lid
• the fuel filler flap
1 
Locks the vehicle
2 
Unlocks the trunk lid
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.
If you activate the acoustic locking
confirmation function, you will hear the
following, depending on the date of
production of the vehicle:
• an acoustic signal when locking
or
• one acoustic signal when unlocking and three when locking.
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:
MB Info call button
► Open the stowage compartment under the
armrest.
► Press and hold MB Info call button 1
for
more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistanc ...
Problems with the occupant classification system
Problem
The indicator lamp illuminates and
remains illuminated. The person on the front-passenger seat:
has the weight of a typical adult
has been determined by the system not to be a child. ...
Service menu
In the Serv. menu you can:
- call up display messages
- restart the tire pressure loss warning
system (Canada only) Rcheck the tire pressure electronically
- call up the ...