2014 MERCEDES-BENZ GLK-Class key battery

ATTENTION ASSIST
Activating/deactivating .................229
Display message ............................ 251
Function/notes ............................. 201
Audio menu (on-board
computer) .......................................... 226
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshops
see Qualified specialist workshop
AUTO lights
Display message ............................ 246
see Lights
Automatic engine start (ECO start/
stop function) .................................... 149
Automatic engine switch-off (ECO
start/stop function) ..........................149
Automatic headlamp mode ..............113
Automatic transmission Automatic drive program ...............156
Changing gea r............................... 155
DIRECT SELECT lever .....................152
Display message ............................ 258
Driving tips .................................... 155
Emergency running mode ..............158
Engaging drive position .................. 154
Engaging neutral ............................ 153
Engaging park position
automatically ................................. 153
Engaging reverse gear ...................153
Engaging the park position ............153
Kickdown ....................................... 155
Manual drive program ....................156
Overview ........................................ 152
Problem (malfunction) ...................158
Program selector button ................155
Pulling away ................................... 147
Starting the engine ........................147
Steering wheel paddle shifters ......156
Trailer towing ................................. 155
Transmission position displa y........ 153
Transmission positions ..................154
Automatic transmission
emergency mode ............................... 158 B
Backup lamp Changing bulbs .............................. 122
Display message ............................ 245
Bag hook ............................................ 278
Ball coupling Installing ........................................ 214
Removing ....................................... 216
Storing ........................................... 217
BAS (Brake Assist System) .................68
BAS PLUS (Brake Assist System
PLUS) .................................................... 68
Battery (SmartKey) Checking .......................................... 79
Important safety notes ....................78
Replacing ......................................... 79
Battery (vehicle)
Charging ........................................ 318
Display message ............................ 249
Important safety notes ..................316
Jump starting ................................. 320
Blind Spot Assist
Activating/deactivating .................229
Display message ............................ 253
Notes/function .............................. 202
Trailer towing ................................. 204
see Active Blind Spot Assist
BlueTEC
Adding DEF .................................... 162
BlueTEC (DEF) .................................... 370
Brake Assist see BAS (Brake Assist System)
Brake fluid
Display message ............................ 238
Notes ............................................. 372
Brake lamps
Display message ............................ 244
Brakes
ABS .................................................. 67
BAS .................................................. 68
BAS PLUS ........................................ 68
Brake fluid (notes) .........................372
Display message ............................ 236
Driving tips .................................... 168
Important safety notes ..................168
Maintenance .................................. 169 Index
5

Seat belts
Adjusting the driver's and front-
passenger seat belt .........................58
Adjusting the height ......................... 58
Belt force limiters ............................ 60
center rear-compartment sea t......... 59
Cleaning ......................................... 312
Correct usage .................................. 56
Emergency Tensioning Devices ....... .60
Fastening ......................................... 58
Important safety guidelines .............56
Releasing ......................................... 59
Safety guidelines ............................. 43
Switching belt adjustment on/off
(on-board computer) ......................233
Warning lamp ................................. 261
Warning lamp (function) ................... 59
Seats
Adjusting (electrically) ...................100
Adjusting lumbar support ..............102
Adjusting the 4-way lumbar
support .......................................... 103
Adjusting the head restraint ..........101
Cleaning the cover .........................311
Correct driver's seat position ........... 98
Folding the backrest (rear
compartment) forwards/back .......276
Folding the rear bench seat
forwards/back ............................... 276
Important safety notes ....................99
Seat heating problem ....................104
Storing settings (memory function) 109
Switching seat heating on/off .......103
Sensors (cleaning instructions) .......309
Service menu (on-board computer) .230
Service products Brake fluid ..................................... 372
Coolant (engine) ............................ 372
DEF special additives .....................370
Engine oil ....................................... 371
Fuel ................................................ 367
Important safety notes ..................367
Refrigerant (air-conditioning
system) .......................................... 374
Washer fluid .................................. .373
Settings
Factory (on-board computer) .........234
On-board computer .......................230Setting the air distribution
...............136
Setting the airflow ............................137
Side impact air bag .............................47
Side marker lamp (display
message) ............................................ 245
Side windows Cleaning ......................................... 308
Convenience closing feature ............90
Convenience opening feature ..........90
Important safety information ...........88
Opening/closing .............................. 89
Problem (malfunction) .....................92
Resetting ......................................... 91
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................79
Changing the programming .............77
Checking the battery .......................79
Convenience closing feature ............90
Convenience opening feature ..........90
Display message ............................ 260
Door central locking/unlocking .......76
Important safety notes ....................76
Loss ................................................. 80
Mechanical key ................................ 78
Positions (ignition lock) .................145
Problem (malfunction) .....................80
Starting the engine ........................147
Snow chains ...................................... 333
Sockets Center console .............................. 284
General notes ................................ 284
Rear compartment .........................285
Spare wheel
Storage location ............................ 362
Stowing .......................................... 363
Specialist workshop ............................ 27
Special seat belt retractor .................. 64
Speed, controlling see Cruise control
Speedometer
Digital ............................................ 224
In the Instrument cluster .................33
Segments ...................................... 221
Selecting the unit of measurement 230
see Instrument cluster 16
Index

X
To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X To activate with KEYLESS-GO: switch the
ignition off and open the driver's door.
X To deactivate: switch on the ignition.
i The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA) or 1-800-387-010 0(in Canada). ATA (anti-theft alarm system)
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R a door
R the vehicle with the mechanical key
R the tailgate
R the hood
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
i If the alarm continues for more than
30 seconds, the mbrace emergency call
system automatically notifies the
Customer Assistance Center. This is done
either by text message or data connection.
The emergency call system sends the
message or data provided that:
R you have subscribed to the mbrace
service.
R the mbrace service has been activated
properly.
R the necessary mobile phone network is
available. X
To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp 0043flashes. The alarm
system is armed after approximately
15 seconds.
X To disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
X To stop the alarm using the SmartKey:
insert the SmartKey into the ignition lock.
The alarm is switched off.
or
X Press the 0036or0037 button on the
SmartKey.
The alarm is switched off.
X To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
X Press the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off. 74
Theft deterrent locking systemSafety

and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you
frequently travel on your own.
X To change the setting: press and hold
down the 0036and0037 buttons
simultaneously for approximately six
seconds until the battery check lamp
(Y page 79) flashes twice.
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the 0037or0036 button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock the driver's door: press the
0036 button once.
X To unlock centrally: press the0036
button twice.
X To lock centrally: press the0037button.
The KEYLESS-GO function is changed as
follows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles
(Y page 77).
X To restore the factory settings: press
and hold down the 0036and0037 buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice. Mechanical key
General notes If the vehicle can no longer be locked or
unlocked with the SmartKey or the KEYLESS-
GO key, 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 (
Ypage 74).
X To end the alarm: insert the SmartKey into
the ignition lock.
i With KEYLESS-GO: remove the Start/
Stop button from the ignition lock
beforehand.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
Removing the mechanical key X
Push release catch 0043in the direction of
the arrow and at the same time remove
mechanical key 0044from the SmartKey. SmartKey battery
Important safety notes Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
G
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately. 78
SmartKeyOpening and closing

Checking the battery
X
Press the 0037or0036 button.
The battery is working properly if battery
check lamp 0043lights up briefly.
If battery check lamp 0043does not light up
briefly during the test, the battery is
discharged.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the 0037or0036 button:
R locks or
R unlocks the vehicle
X Change the battery (Y page 79).
i You can get a battery at a qualified
specialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery.
X Take the mechanical key out of the
SmartKey (Y page 78). X
Press mechanical key 0044into the SmartKey
opening in the direction of the arrow until
battery compartment cover 0043opens. Do
not hold battery compartment cover 0043
closed while doing so.
X Remove battery compartment cover 0043. X
Repeatedly tap the SmartKey against your
palm until battery 0087falls out.
X Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so.
X Make sure that the surface of the battery is
free from lint, grease and all other forms of
contamination.
X Insert the front tabs of battery
compartment cover 0043into the housing
first and then press to close it.
X Insert mechanical key 0044into the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
79Opening and closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
0050
0050Solutions You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the 0036or
0037 button.
If this does not work:
X Check the SmartKey battery (Y page 79) and replace it if
necessary (Y page 79).
X Lock (Y page 83) or unlock (Y page 83) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock (Y page 83) or unlock (Y page 83) the vehicle using
the mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for a long time.
X Pull the door handle and then turn the SmartKey to position 2
in the ignition lock. There is interference from a powerful source of radio waves.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the 0036or0037 button. There is a malfunction with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the 0036or0037 button.
X Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 79) and replace it if
necessary (Y page 79).
X Lock (Y page 83) or unlock (Y page 83) the vehicle using
the mechanical key. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. 80
SmartKeyOpening and closing

Problem Possible causes/consequences and
0050
0050Solutions You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 316).
or
X Jump-start the vehicle (Y page 320).
or
X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. A door is open. Therefore, the SmartKey cannot be detected as
easily.
X
Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
You should preferably place luggage or loads
in the cargo compartment. Observe the
loading guidelines (Y page 274). Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked. You can only open
the rear doors from inside the vehicle if they Doors
81Opening and closing Z

Adjusting the 4-way lumbar support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. 0043
To raise the backrest contour
0044 To soften the backrest contour
0087 To lower the backrest contour
0085 To harden the backrest contour Switching the seat heating on/off
Activating/deactivating G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk
of injury.
Therefore, do not switch the seat heating on
repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off. Driver's and front-passenger seat
The system automatically switches down
from level
3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the SmartKey is in position
1or 2in the ignition lock.
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out. Seats
103Seats, steering wheel and mirrors Z