clock setting MERCEDES-BENZ GLK-CLASS SUV 2015 Owners Manual

Automatic locking feature
The vehicle is locked automatically when the
ignition is switched on and the vehicle's
wheels are turning at a speed in excess of
9 mph (15 km/h).
You could therefore be locked out if:R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
XTo deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: press and hold button ; for
about five seconds until a tone sounds.
iIf you press one of the two buttons and do
not hear a tone, the relevant setting has
already been selected.
You can also switch the automatic locking
function on and off using the on-board com-
puter ( Y page 232).
Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 75).
X Take the mechanical key out of the Smart-
Key ( Y page 80).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key counter-clockwise
as far as it will go to position 1.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key ( Y page 80).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the tailgate.
X Press the locking button ( Y page 85).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary ( Y page 84).
X Close the driver's door.
X Take the mechanical key out of the Smart-
Key ( Y page 80).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
86Doors
Opening and closing

XPress the à button.
The indicator lamp in the ¬ button goes
out. Airflow and air distribution are set to
automatic mode.
or X Turn temperature control : or B counter-
clockwise or clockwise ( Y page 133),
( Y page 136).
or
X Press the K or I button.
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
When you activate MAX COOL, climate con-
trol switches to the following functions:
R maximum cooling
R maximum airflow
R air-recirculation mode on
X To activate: press the Ù button.
The indicator lamp in the Ù button lights
up.
X To deactivate: press the Ù button.
The indicator lamp in the Ù button goes
out. The previously selected settings are
restored.
Defrosting the windows
Windows fogged up on the inside
X Activate the ¿ cooling with air dehu-
midification function.
X Activate automatic mode Ã.
X Adjust the side air vents so that the warmed
air is directed to the side windows.
X If the windows continue to fog up, activate
the ¬ "Windshield defrosting" function.
iYou should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
X Activate the windshield wipers.
X Press the _ button repeatedly until the
O or P symbol appears in the dis-
play.
X Adjust the side air vents so that no air is
directed to the side windows.
Rear window defroster
General notes
The rear window defroster has a high current draw. You should therefore switch it off as
soon as the rear window is clear. Otherwise,
the rear window defroster switches off auto-
matically after several minutes.
If the battery voltage is too low, the rear win-
dow defroster may switch off.
Switching on/off
X Turn the SmartKey to position 2 in the igni-
tion lock ( Y page 149).
X Press the ¤ button.
The indicator lamp in the ¤ button lights
up or goes out.
142Operating the climate control systems
Climate control