2013 MERCEDES-BENZ GLK-CLASS SUV display

Engine
Problem Possible causes/consequences and
0050 Solutions00B9
The yellow Check
Engine warning lamp
lights up while the
engine is running.
There may be a malfunction, for example:
R
in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
R in the fuel system
The emission limit values may be exceeded and the engine may
be in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you must immediately visit a qualified
specialist workshop as soon as
the yellow Check Engine warning
lamp lights up. This is due to the legal requirements in effect in
these states. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving. 00B6
The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion. In addition,
the
00B9 Check Engine
warning lamp may light
up. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Observe the additional display messages in the multifunction
display.
X Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed:
close the
fuel filler
cap.
X If the fuel filler cap is closed: visit a qualified specialist
workshop. 00B6
The yellow reserve fuel
warning lamp lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station.264
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
0050 Solutions00AC
The red coolant
warning lamp lights up
while the engine is
running and the coolant
temperature gauge is
at
the
start of the scale. The temperature sensor for the coolant temperature gauge is
defective.
The
coolant temperature
is no
longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and

traffic conditions. Do not continue
driving under any circumstances.
X Secure the vehicle against rolling away ( Y page 160).
X Consult a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
265
On-board computer and displays Z

Problem Possible causes/consequences and
0050 Solutions00AC
The red coolant
warning lamp comes on
while the engine is
running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be
malfunctioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X
Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 160).
X Wait until the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Check the coolant level and add coolant (Y page 302). Observe
the warning notes.
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X At coolant temperatures below 248 ‡ (120 †) drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. 00AC
The red coolant
warning lamp comes on
while the engine is
running.
A
warning tone
also sounds. The coolant temperature has exceeded 248 ‡ (120 †). The
airflow
to the
engine radiator
may be blocked or the coolant level
may be too low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your
engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 160).
X Wait until the engine has cooled down.266
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Problem Possible causes/consequences and
0050 SolutionsX
Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Check the coolant level and add coolant (Y page 302). Observe
the warning notes.
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X At coolant temperatures below 248 ‡ (120 †) drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequences and
0050 Solutions00BA
The red distance
warning lamp lights up
while the vehicle is in
motion.
G
WARNING
The distance to the vehicle in front is too small for the speed
selected.
There is a risk of an accident.
X Increase the distance. 00BA
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds. G
WARNING
You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
There is a risk of an accident.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS (Y page 171) and
PRE-SAFE ®
Brake (Y page 69). Warning and indicator lamps in the instrument cluster
267On-board computer and displays Z

Tires
Problem Possible causes/consequences and
0050 Solutions0077
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear
excessively and/or
unevenly, which may greatly
impair tire 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
maneuvers. Pay attention to the

traffic conditions as you do so.
X Secure the vehicle against rolling away ( Y page 160).
X Observe the additional display messages in the multifunction
display.
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 312).
X Check the tire pressure (Y page 336).
X If necessary, correct the tire pressure. 0077
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction)
flashes

for
approximately one
minute and then
remains lit. The tire pressure monitor is faulty.
G WARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Visit a qualified specialist workshop.268
Warning and indicator lamps in the instrument cluster
On-board computer and displays

The mbrace system
To adjust the volume during an mbrace call,
proceed as follows:
X
Press the 0081 or 0082 button on the
multifunction steering wheel.
or
X Use the volume controller of the audio
system/COMAND.
The mbrace system provides various
services, e.g.:
R automatic and manual emergency call
R Roadside Assistance call
R MB Info call
USA only: you can find information and a
description of all available features under
"Owners Online" at http://www.mbusa.com.
System self-test After you have switched on the ignition, the
system carries out a self-diagnosis.
A malfunction in the system has been
detected if one of the following occurs:
R
The indicator lamp in the
SOS button does
not come on during the system self-test.
R The indicator lamp in the 0052 Roadside
Assistance button does not light up during
self-diagnosis of the system.
R The indicator lamp in the 00D9 MB Info call
button does not light up during self-
diagnosis of the system.
R The indicator lamp in one or more of the
following buttons continues to light up red
after the system self-diagnosis:
-SOS button
- the 0052 Roadside Assistance call
button
- the 00D9 MB Info call button
R The mbrace Inoperative or mbrace
Service Not Activated message
appears in the multifunction display after
the system self-diagnosis. If a malfunction is indicated as outlined
above, the system may not operate as
expected.
In the event of

an emergency, help
will have to be summoned by other means.
Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
R USA: Mercedes-Benz Customer Assistance
Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
R Canada: Customer Service at
1-888-923-8367
Emergency call Important safety notes
!
You must have a license agreement to
activate the mbrace service. Make sure
that your system is activated

and ready for
use. To register, press the 00D9 MB Info call
button. If any of the steps mentioned are
not carried out, the system may not be
activated.
If you have questions about the activation,
contact one of the following telephone
hotlines:
R USA: Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
R Canada: Customer Service at
1-888-923-8367
General notes
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
i You cannot end an automatically
triggered emergency call yourself.
An emergency call can also be initiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button 284
Features
Stowage and features

flashes. The
Connecting Call message
appears in the multifunction display.
The audio output is muted.
Once the connection has been made, the
Call Connected message appears in the
multifunction display.
All important information on the emergency
is transmitted, for example:
R Current location of the vehicle (as
determined by the GPS system)
R Vehicle identification number
R Information on the severity of
the accident
Shortly after the emergency call has been
initiated, a voice connection is automatically
established between the Mercedes-Benz
Customer Assistance Center and the vehicle
occupants.
R If the vehicle occupants respond, the
Mercedes-Benz Customer Assistance
Center attempts to get more information
on the emergency.
R If there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
The mbrace system has not been able to
initiate an emergency call if no voice
connection to the Response Center has been
established. This can occur, for example, if
the relevant mobile phone network is not
available. The indicator lamp in the SOS
button flashes continuously.
The Call Failed message appears in the
multifunction display and must be confirmed.
In this case, seek assistance by other means. Making an emergency call G
WARNING
It can be dangerous to remain in the vehicle,
even if you have pressed

the SOS button in an
emergency if:
R you see smoke inside or outside of the
vehicle, e.g. if there is a fire after an
accident
R the vehicle is on a dangerous section of
road
R the vehicle is not visible or cannot easily be
seen by other road users, particularly when
dark or in poor visibility conditions
There is a risk of an accident and injury.
Leave the vehicle immediately in this or
similar situations as soon as it is safe to do
so. Move to a safe location along with other
vehicle occupants. In such situations, secure
the vehicle in accordance with national
regulations, e. g. with a warning triangle. X
To initiate an emergency call
manually: press cover 0043 briefly to open.
X Press SOS button 0044 briefly.
The indicator lamp in SOS button 0044
flashes until the emergency call is
concluded.
X Wait for a voice connection to the
Mercedes-Benz Customer Assistance
Center.
X After the emergency call, close cover 0043.
i If the mobile phone network is not
available, mbrace is not able to make an
emergency call. If you leave the vehicle Features
285
Stowage and features Z

immediately after pressing the SOS button,
you do not know
if
mbrace has successfully
made the emergency call. In this situation,
seek additional assistance by other means.
Roadside Assistance button X
Press Roadside Assistance button 0043.
This initiates a call to the Mercedes-Benz
Customer Assistance Center. The indicator
lamp in Roadside Assistance button 0043
flashes while the call is active. The
Connecting Call

message appears on
the multifunction display. The audio output
is muted.
If a connection can be made, the Call
Connected message appears in the
multifunction display.
If a cellular phone network is available and
there is sufficient GPS
reception,

the mbrace
system transmits data to the Mercedes-Benz
Customer Assistance Center, for example:
R Current location of the vehicle
R Vehicle identification number
i The display of the audio system or
COMAND shows that an mbrace call is
active. During the call, you can change to
the navigation menu by pressing the NAVI
button on COMAND, for example.
Voice output is not available.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
From the vehicle remote malfunction
diagnosis, the Mercedes-Benz Customer Assistance center can ascertain the nature of
the problem (
Y page 289).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or arranges for your vehicle
to be transported to the nearest authorized
Mercedes-Benz Center. You may be charged
for services such as repair work and/or
towing. Further details are available in your
mbrace manual.
i The mbrace system failed to initiate a
Roadside Assistance call if:
R the indicator lamp for Roadside
Assistance call button 0043 is flashing
continuously.
R no voice connection to the Mercedes-
Benz Customer Assistance Center was
established.
This may be because the corresponding
mobile phone network is not available.
The Call Failed message appears in the
multifunction display.
X To end a call: press the
0076 button
on the
multifunction steering wheel.
or
X Press the corresponding button for ending
a phone call on the audio system or on
COMAND.
MB Info call button 286
Features
Stowage and features