warning MERCEDES-BENZ GLK SUV 2012 Owners Manual

Tyres (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Check
Check
tyres
tyres The tyre pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tyre pressures which are too low, there is a risk of the fol-
lowing hazards:
R the tyres may burst, especially as the load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Secure the vehicle against rolling away (Y page 164).
X If there is a flat tyre, inspect the tyres (Y page 329).
X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 355).Check tyres Check tyres
Restart system
Restart system The tyre pressure loss warning system generated a display mes-
sage and has not been restarted since.
X
Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 355).Run Flat Indicator Run Flat Indicator
Inoperative
Inoperative The tyre pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. 276
Display
messagesOn-board computer and displays

Tyres (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Tyre pressure
Tyre pressure
Check tyres Check tyres The tyre pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tyre pressures which are too low, there is a risk of the fol-
lowing hazards:
R the tyres may burst, especially as the load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Secure the vehicle against rolling away (Y page 164).
X If there is a flat tyre, inspect the tyres (Y page 329).
X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 355).Run Flat Indicator Run Flat Indicator
then restart Run then restart Run
Flat Indicator Flat Indicator The tyre pressure loss warning system generated a display mes-
sage and has not been restarted since.
X
Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 355).Run Flat Indicator Run Flat Indicator
inoperative
inoperative The tyre pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Display
messages
277On-board computer and displays Z

Vehicle (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions To start engine,
To start engine,
shift to P or N shift to P or N You have attempted to start the engine with the transmission in
position Ror D.
X Shift the transmission to position Por N. P
P
Select Park (P) Select Park (P) You have switched off the engine with the Start/Stop button and
opened the driver's door.
You wanted to lock the vehicle.
A warning tone also sounds.
or
You have switched off the engine with the Start/Stop button and
opened the driver's door with the transmission in position N.
X Shift the transmission to position P.A The tailgate is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate. ? Vehicles with an anti-theft alarm system: the bonnet is open. A
warning tone also sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is a risk of an accident.
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 164).
X Close the bonnet. C At least one door is open. A warning tone also sounds.
X
Close all doors. 278
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions Pwr. steering
Pwr. steering
malfunction malfunction The power steering assistance is faulty.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Top up Top up
washer fluid washer fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Top up the washer fluid ( Ypage 317). Vehicle (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M MSolutions To start engine,
To start engine,
shift to either P shift to either P
or N or N You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. P P
Select Park (P) Select Park (P) You have switched off the engine with the Start/Stop button and
opened the driver's door.
You wanted to lock the vehicle.
A warning tone also sounds.
or
You have switched off the engine with the Start/Stop button and
opened the driver's door with the transmission in position N.
X Shift the transmission to position P.A The tailgate is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate. Display
messages
279On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions ? Vehicles with an anti-theft alarm system: the bonnet is open. A
warning tone also sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is a risk of an accident.
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 ( Ypage 164).
X Close the bonnet. C At least one door is open. A warning tone also sounds.
X
Close all doors. &
inoperative Bat‐ inoperative Bat‐
tery low tery low The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (Y
page 137).
X Drive for a longer distance.
The battery is being charged. The auxiliary heating is operational
again as soon as the on-board electrical system voltage is suf-
ficient. &
inoperative inoperative
Refuel
Refuel
vehicle
vehicle There is too little fuel in the fuel tank. The auxiliary heating cannot
be switched on (Y
page 137).
X Refuel at the nearest filling station. &
Inoperative See Inoperative See
Owner's Manual Owner's Manual The auxiliary heating has a temporary malfunction or is faulty.
X
When the vehicle is on a level surface and the engine has cooled
down, make up to four attempts to switch on the auxiliary heat-
ing, waiting several minutes between each attempt
(Y page 137).
X If the auxiliary heating does not switch on, consult a qualified
specialist workshop. 280
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions Ð
Power Power
steering steering mal‐
mal‐
function See Own‐
function See Own‐
er's Manual er's Manual The power steering assistance is faulty.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Telephone No Telephone No
service service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. ¥
Top Top
up
upwasher
washer fluid
fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Top up the washer fluid ( Ypage 317). Key (4-button multifunction steering wheel)
Display messages Possible causes/consequences and
M MSolutions Key does not
Key does not
belong to vehicle belong to vehicle You have put the wrong key in the ignition lock.
X
Use the correct key. +
You need a new key You need a new key The key needs to be replaced.
X
Visit a qualified specialist workshop. +
Change battery Change battery The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries ( Ypage 79). Display
messages
281On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions Key not detected
Key not detected
(Red display message) The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
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 ( Ypage 164).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
A warning tone also sounds.
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 ( Ypage 164).
X Operate the vehicle with the key in the ignition lock if necessary. Key not detected Key not detected
(White display mes-
sage) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Change the location of the key with the KEYLESS-GO functions
in the vehicle.
X Operate the vehicle with the key in the ignition lock if necessary. +
Key still in vehi‐ Key still in vehi‐
cle cle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. +
Insert key Insert key KEYLESS-GO is temporarily malfunctioning or is defective. A warn-
ing tone also sounds.
X
Insert the key into the ignition lock and turn it to the desired
position.
X Visit a qualified specialist workshop. Close doors Close doors
to lock veh. to lock veh. At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again. 282
Display
messagesOn-board computer and displays

Key (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
MSolutions Â
Key does not Key does not
belong to vehicle belong to vehicle You have put the wrong key in the ignition lock.
X
Use the correct key. Â
Replace key Replace key The key needs to be replaced.
X
Visit a qualified specialist workshop. Â
Change key batter‐ Change key batter‐
ies ies The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries ( Ypage 79). Â
Key not detected Key not detected
(red display message) The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
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 ( Ypage 164).
(Y page 164).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
A warning tone also sounds.
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 ( Ypage 164).
X Operate the vehicle with the key in the ignition lock if necessary. Â
Key not detected Key not detected
(white display mes-
sage) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the key in the ignition lock if necessary. Â
Key still in vehi‐ Key still in vehi‐
cle cle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Display
messages
283On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions Â
Remove starting Remove starting
button, then button, then
insert key insert key The KEYLESS-GO key is not continually detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A warn-
ing tone also sounds.
X
Insert the key into the ignition lock and turn it to the desired
position.
X Visit a qualified specialist workshop. Â
Close doors to Close doors to
lock vehicle lock vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again. Warning and indicator lamps in the instrument cluster
Seat belts
Problem Possible causes/consequences and
M MSolutions ü
Only for certain coun-
tries: the red seat belt
warning lamp lights up
for six seconds after
the engine starts.
The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt (Y page 51).ü
Only for certain coun-
tries: the red seat belt
warning lamp lights up
after the engine starts.
In addition, a warning
tone sounds for up to
six seconds. The driver's seat belt is not fastened.
X
Fasten your seat belt (Y page 51).
The warning tone ceases. ü
The red seat belt warn-
ing lamp lights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed.
The driver or passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 51).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 284
Wa
rning and indi cator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M
MSolutions ü
The red seat belt warn-
ing lamp flashes and an
intermittent audible
warning sounds.
The driver or passenger has not fastened their seat belt. At the
same time, the car is being driven faster than 25 km/ho
r has been
briefly driven faster than 25 km/h.
X Fasten your seat belt (Y page 51).
The warning lamp goes out and the intermittent warning tone
ceases. There are objects on the front-passenger seat. At the same time,
the car is being driven faster than 25 km/h or has been briefly
driven faster than 25 km/h.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases. Warning and indicator lamps in the instrument cluster
285On-board computer and displays Z