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


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:
Refrigerant of the air-conditioningsystem
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-condition ...
Tire size designation, load-bearing
capacity and speed rating
1. Tire width
2. Nominal aspect ratio in %
3. Tire code
4. Rim diameter
5. Load bearing index
6. Speed rating
Tire data is vehicle-specific and may
deviate from the data in th ...
Muscular Moves
Shortly after last year's GL450 arrived, Mercedes introduced a diesel GL320
CDI; click here to compare the 2008 GL-Class with the 2007 model. Thanks to the
higher efficiency of its diesel engine, ...
