Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 191

Driving systems
188
the driver's door is open and the driver's
R
seat belt is unfastened.
the engine is switched off, unless it is auto-
R
matically switched off by the ECO start/
stop function.
the bonnet is opened.
R
Immediately depress the brake pedal firmly
X
until the warning message in the multifunc-
tion display goes out. This deactivates the
HOLD function.
A horn will also sound at regular intervals if
the HOLD function is activated and you:
switch the engine off, open the driver's
R
door and take off your seat belt
open the bonnet
R
The sounding of the horn alerts you to the fact
that the vehicle has been parked while the
HOLD function is still activated. If you attempt
to lock the vehicle, the tone becomes louder.
The vehicle is not locked until the HOLD func-
tion is deactivated.
i
If the engine has been switched off, it
cannot be started again until the HOLD
function has been deactivated.
If there is a fault in the system or power supply
while the HOLD function is activated, the
message is shown in the multifunction dis-
play. Immediately depress the brake firmly
until the warning message in the multifunc-
tion display goes out.
On vehicles with automatic transmission, you
can also shift into position P. This deactivates
the HOLD function.
PARKTRONIC
Important safety notes
G
WARNING
PARKTRONIC is only an aid and may not
detect all obstacles. It is not a substitute for
attentive driving.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could otherwise endanger
yourself and others.
G WARNING
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured.
PARKTRONIC is an electronic parking aid with
ultrasonic sensors. It indicates visually and
audibly the distance between your vehicle
and an object.
PARKTRONIC is activated automatically if
you:
switch on the ignition
R
shift to position D, R or N on vehicles with
R
automatic transmission
release the parking brake
R
PARKTRONIC is deactivated at speeds above
18 km/h. It is reactivated at lower speeds.
PARKTRONIC monitors the area around your
vehicle using six sensors in the front and four
sensors in the rear.
Example: sensors in the front bumper,
:
left-hand side
Range of the sensors
General notes
The sensors must be free of dirt, ice and
slush. Otherwise, they may not function cor-
rectly. Clean the sensors regularly, taking
care not to scratch or damage them
( page 321).
Y