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:
Parking brake
WARNING
Engaging the parking brake while the vehicle
is in motion can cause the rear wheels to lock
up. You could lose control of the vehicle and
cause an accident. In addition, the vehicle's ...
Headlamps fogged up on the inside
The headlamps may fog up on the inside if
there is high atmospheric humidity.
•► Drive with the headlamps switched on.
The level of moisture diminishes,
depending on the length of the jour ...
Front-end structure: crumple zone on four levels
Compared to the previous model series, the Mercedes engineers have further
enlarged the deformation zones substantially in the front and rear sections of
the new CLS, as well as improving the ener ...
