2013 MERCEDES-BENZ GLK-CLASS SUV brake sensor

out. This is meant to assist you in avoiding a
collision.
The course-correcting brake application is
available in the speed range between
20 mph (30 km/h)
and
120 mph (200 km/h).
If a course-correcting brake application
occurs, red warning lamp 0043 flashes in the
exterior mirror and the following is shown in
the multifunction display, for example: Either a very slight course-correcting brake
application, or none at all, may occur if:
R
there are vehicles or obstacles, e.g. crash
barriers, located on both sides of your
vehicle.
R a vehicle approaches you too

closely at the
side.
R you have adopted a sporty driving style with
high cornering speeds.
R you clearly brake or accelerate.
R a driving safety system intervenes, e.g.
ESP ®
or PRE-SAFE ®
Brake.
R ESP ®
is switched off.
R the off-road program is activated.
R a loss of tire pressure or a defective tire is
detected.
Switching on Active Blind Spot Assist
X Make sure that the radar sensor system
(Y page 229) and Active Blind Spot Assist
(Y page 225) are activated in

the on-board
computer.
X Turn the SmartKey to position 2 in the
ignition lock.
Warning lamps 0043 in the exterior mirrors
light up red for approximately
1.5 seconds and then turn yellow. Towing a trailer
When you attach a
trailer,

make sure you have
correctly established the electrical
connection. This can be accomplished by
checking the trailer lighting. Active Blind Spot
Assist is then deactivated. The indicator lamp
lights up yellow in the exterior mirrors and the
Active Blind Spot Assist Currently
Unavailable See Operator's Manual
message appears in the multifunction
display.
Active Lane Keeping Assist General notes
Active Lane Keeping Assist
monitors

the area
in front of your vehicle by means of
camera 0043 mounted at the top of the
windshield. Active Lane Keeping Assist
detects lane markings on the road and warns
you before you leave your lane
unintentionally. If you do not react to the
warning, a lane-correcting application of the
brakes can bring the vehicle back into the
original lane. 0043
Active Lane Keeping Assist camera
If you select km in the Display Unit
Speed-/Odometer: function on the on-board
computer(

Y page 226), Active Lane Keeping
Assist is activated starting at a speed of
60 km/h. If the miles display unit is selected,
the assistance range begins at 40 mph. Driving systems
205
Driving and parking Z

Dialing a number from the phone book
X
Press the 0059 or 0065 button on the
steering wheel to select the Tel menu.
X Press the 0063, 0064 or 0076 button to
switch to the phone book.
X Press the 0063 or 0064 button to select the
desired name.
or
X To begin rapid scrolling: press and hold
the 0063 or 0064 button for longer than
one second.
Rapid scrolling stops when you

release the
button or reach the end of the list.
X If only one telephone number is stored
for a name: press
the 0061

or 0076 button
to start dialing.
or
X If there is more than one number for a
particular name: press the 0061 or 0076
button to display the numbers.
X Press the 0063
or 0064 button to
select the
number you want to dial.
X Press the 0061 or 0076 button to start
dialing.
or
X To exit the telephone book: press the
0076 or 0038 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
X
Press the 0059 or 0065 button on the
steering wheel to select the Tel menu.
X Press the 0061 button to switch to the
redial memory.
X Press the 0063
or 0064
button to

select the
desired name or number.
X Press the 0061 or 0076 button to start
dialing.
or
X If you do not want to make a call: press
the 0076 or 0038 button. Assistance menu
Introduction In the
DriveAssist menu, you have the
following options:
R Showing the distance display
(Y page 224)
R Activating/deactivating PRE-SAFE ®
Brake
(Y page 225)
R Activating/deactivating ATTENTION
ASSIST (Y page 225)
R Activating/deactivating Blind Spot Assist
or Active Blind Spot Assist (

Y page 225)
R Activating/deactivating Lane Keeping
Assist or Active Lane Keeping Assist
(Y page 225)
showing the distance display This function is only available with
DISTRONIC PLUS.
X
Press the 0059 or 0065 button on the
steering wheel to select the DriveAssist
menu.
X Press the 0063 or 0064 button to select
Distance Display.
X Press the 0076 button.
The DISTRONIC PLUS distance display
(Y page 176) appears in the multifunction
display.
If the Sensors Deactivated message
appears, the radar sensor system is
deactivated.
X Switch on the radar sensor system
(Y page 229).224
Menus and submenus
On-board computer and displays

Activating/deactivating PRE-SAFE
®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press the 0059 or 0065
button on the
steering wheel to select the DriveAssist
menu.
X Press the 0063 or 0064 button to select
PRE-SAFE Brake.
X Press the 0076 button.
The current selection is displayed.
X To activate/deactivate: press the 0076
button again.
When PRE-SAFE ®
Brake (Y page 69) is
activated, the multifunction display shows
the 00C7 symbol as long as the HOLD
function is not activated (Y page 179).
Vehicles with Parking Guidance: if
PARKTRONIC is

activated and you are driving
at a speed below 22 mph (35 km/h), the 005D
Parking Guidance symbol is shown instead of
the 00C7 symbol.
If the PRE-SAFE Brake: Sensors
Deactivated message appears, the radar
sensor system is deactivated.
X Switch on the radar sensor system
(Y page 229).
For more information on PRE-SAFE ®
Brake,
see ( Y page 69).
Activating/deactivating ATTENTION
ASSIST X
Press the 0059 or 0065 button on the
steering wheel to select the DriveAssist
menu.
X Press the 0063 or 0064 button to select
Attention Assist.
X Press the 0076 button.
The current selection is displayed.
X To activate/deactivate: press the 0076
button again. When ATTENTION ASSIST (Y page 197) is
activated, the 00AD symbol appears in the
multifunction
display when the ignition

is on.
For further information about ATTENTION
ASSIST, see ( Y page 197).
Activating/deactivating Blind Spot
Assist X
Press the 0059 or 0065 button on the
steering wheel to select the DriveAssist
menu.
X Press the 0063 or 0064 button to select
Blind Spot Assist.
X Press the 0076 button.
The current selection is displayed.
X To activate/deactivate: press the 0076
button again.
If the Blind Spot Assist Sensors
Deactivated or Act. Blind Spot Asst.
Sensors Deactivated message appears,
the radar sensor system is deactivated.
X Switch on the radar sensor system
(Y page 229).
For further information about Blind Spot
Assist, see (Y page 198).
For further information about Active Blind
Spot Assist, see (Y page 202).
activating/deactivating Lane Keeping
Assist X
Press the 0059 or 0065 button on the
steering wheel to select the DriveAssist
menu.
X Press the 0063 or 0064 button to select
Lane Keep. Asst.
X Press the 0076 button.
The current selection is displayed.
X Press 0076 to confirm.
X Press the 0064 or 0063 button to set Off,
Standard or Adaptive.
X Press the 0076 button to save the setting. Menus and submenus
225
On-board computer and displays Z

X
Press the 0059 or 0065 button on the
steering wheel to select the Sett. menu.
X Press the 0064 or 0063 button to select the
Vehicle submenu.
X Press 0076 to confirm.
X Press the 0064 or 0063 button to
select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the 0037 symbol in the multifunction
display lights up red.
X Press the 0076 button to save the setting.
Activating/deactivating the radar sensor
system
X Press the 0059 or 0065 button on the
steering wheel to select the Sett. menu.
X Press the 0064 or 0063 button to
select the
Vehicle submenu.
X Press 0076 to confirm.
X Press the 0063 or 0064 button to select
Radar Sensor (See Oper. Manual):.
You will see the selected setting: Enabled
or Disabled.
X Press the 0076 button to save the setting.
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS (Y page 171)
R BAS PLUS (Y page 65)
R PRE-SAFE ®
Brake ( Y

page 69)
R Blind Spot Assist (Y page 198) or Active
Blind Spot Assist (Y page 202)
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel and the driver's seat, you
and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury. While the EASY-ENTRY/EXIT feature is
making adjustments, make sure that no one
has any body parts in the sweep of the seat
and the steering wheel.
If somebody becomes trapped:
R
press one of the memory function position
buttons, or
R move the switch for steering wheel
adjustment in the opposite direction

to that
in which the steering wheel is moving.
The adjustment process is stopped.
X Press the 0059 or 0065 button on the
steering wheel to select the Sett. menu.
X Press the 0064
or 0063
button to

select the
Convenience submenu.
X Press 0076 to confirm.
X Press the 0064 or 0063 button to
select the
Easy Entry/Exit function.
If the Easy Entry/Exit function is
activated, the vehicle steering wheel is
displayed in red in the multifunction
display.
X Press the 0076 button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature ( Y page 102).
Switching the belt adjustment on/off
X Press the 0059 or 0065 button on the
steering wheel to select the Sett. menu.
X Press the 0064 or 0063 button to
select the
Convenience submenu.
X Press 0076 to confirm.
X Press the 0064 or 0063 button to
select the
Belt Adjustment function.
When the Belt Adjustment function is
activated, the vehicle seat belt is displayed
in red in the multifunction display.
X Press the 0076 button to save the setting.
For further information on belt adjustment,
see ( Y page 56). Menus and submenus
229
On-board computer and displays Z

Display messages Possible causes/consequences and
0050 SolutionsPRE-SAFE
Functions
Currently Limited
See Operator's
Manual
PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake is operational again.
If the display message does not disappear:
X Pull over and stop
the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 160).
X Clean the sensors in the radiator grill and the bumper
(Y page 307).
X Restart the engine. PRE-SAFE
Functions Limited
See Operator's
Manual
PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit a qualified specialist workshop. 0075
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The 0075 warning lamp also lights up in the instrument
cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.
For further information about SRS, see (Y page 41). Display messages
235
On-board computer and displays Z

Display messages Possible causes/consequences and
0050 Solutions0099
Eng. Start Not
Possible in ..km The DEF system is malfunctioning. A warning tone also sounds.
X
Visit a qualified specialist workshop immediately. 0099
Eng. Start Not
Possible The DEF system is malfunctioning. A warning tone also sounds.
You can no longer start the engine.
X
Consult a qualified specialist workshop immediately. Driving systems
Display messages Possible causes/consequences and
0050 Solutions00AD
Attention Assist:
Take a Break! Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of
concentration
on the part of the driver. A warning tone
also sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest. 00AD
Attention Assist
Inoperative ATTENTION ASSIST is inoperative.
X
Visit a qualified specialist workshop. 00D9
Off The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (Y page 179). The HOLD function is deactivated. When the brake pedal is firmly
depressed, an activation condition is not fulfilled.
A warning tone also sounds.
X
Check the activation conditions for the HOLD function
(Y page 179). Radar Sensor
Deactivated See
Operator's Manual The radar sensor system is deactivated.
X
Switch on the radar sensor system (Y page 229). Display messages
247On-board computer and displays Z