Display messages Possible causes/consequences and
M Solutions
Front Passenger
Airbag Enabled
See Operator's
Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an objec tweighing less than the
system's weight threshold is located on the front-passenger
seat
or
R the front-passenger seat is unoccupied
The system may detec tobjects or forces applying additional
weight on the seat.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X If necessary, secure the child in a child restraint system on a
suitable rear seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detec tthe additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the PASSENGER AIR BAG OFF indicator lamp
(Y page 50) and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF indicator lamp must light up and
remain lit. If the indicator lamp is on, OCS (Y page 50) has
deactivated the front-passenger air bag.
R The Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not appearint
he
multifunction display.
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the PASSENGER AIR BAG OFF indicator 366
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
C At leas
tone door is open.
X Close all the doors. _
Lock
Seat Backrest
Front Left or
Lock Seat Backrest
Front Right The driver's or front passenger's sea
tbackres tis not engaged. The
seat belt will have no effect.
X Push the backrest back until it engages. D
Power Steering
Malfunction See
Operator's Manual The power steering is malfunctioning.
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. ¥
Check Washer Fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid (Y page 425). SmartKey
Display messages Possible causes/consequences and
M Solutions
Â
Key Does Not
Belong to Vehicle You have put the wrong SmartKey in the ignition lock.
X
Use the correct SmartKey. Â
Take
Your Key From
Ignition The SmartKey is in the ignition lock.
X
Remove the SmartKey. Â
Obtain a New Key The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop. Â
Replace
Key Battery The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries . Display messages
387On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
Â
Don't Forget Your
Key This display message is displayed fo
ramaximum of 60 seconds
and is simply a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
X Remember to take the KEYLESS-GO key with you when you
leave the vehicle. Â
Key Not Detected
(red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If the engine is switched off, you can no longer loc kthe 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 (Y page 289).
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.
Aw
arning tone also sounds.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 289).
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Detected In
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Â
Remove 'Start'
Button and Insert
Key KEYLESS-GO is temporarily malfunctioning or is defective.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Â
Close Doors to
Lock Vehicle At least one door is open.
Awarning tone also sounds.
X Close all doors and loc kthe vehicle again. 388
Display messagesOn-board computer and displays
Engine
Problem Possible causes/consequences and
M Solutions
;
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 engin emay
be running 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 Chec kEngine 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. The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
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. 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. 396
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Rear window rolle
rsunblind
Important safety notes G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts. G
WARNING
When adjusting a roller sunblind, the roller
blind moves up or down. You might become
trapped in the process.
In the event of danger, briefly press the button
for the roller sunblind to change the roller
blind's direction of movement.
Extending/retracting the roller
sunblind !
Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged. At temperatures below
Ò4 ‡ (Ò20 †), the
roller sunblind is deactivated. X
Turn the SmartKey to position 2in the
ignition lock.
X To extend or retract: briefly press
button :.
The roller sunblind fully extends or fully
retracts.
X To stop: briefly press button :again.
The roller sunblind stops briefly and moves
back into the out-of-use position. Ashtray
Ashtray in the front-compartment
center console X
To open: slide cover :forwards until it
engages.
X To remove the insert: push sliding
knob ?in the housing of the ashtray to the
left.
Ashtray insert =slides out slightly.
X Lift insert =up; and out. Features
405Stowage and features Z
X
To re-install the insert: press insert=
into the holde runtil it engages.
X To close: press cover :briefly at the
front.
The cove rmoves back. Cigarette lighter
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts. G
WARNING
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Make sure any children traveling with you do
not injure themselves or start a fire with the
hot cigarette lighter. X
Turn the SmartKey to position 2in the
ignition lock.
X To open: slide cover :forwards until it
engages.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out
automatically when the heating element is
red-hot.
X To close: press cover :briefly at the
front.
The cover moves back. 12
Vsockets
Points to observe before use The sockets can be used for accessories with
a maximum draw of 180 W (15 A).
Accessories include such items as lamps or
chargers for mobile phones.
If you use the sockets for long periods when
the engine is switched off
,the battery may
discharge.
X Turn the SmartKey to position 1in the
ignition lock.
i An emergency cut-out ensures that the
on-board voltage does not drop too low. If
the on-board voltage is too low, the power
to the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. 406
FeaturesStowage and features
To adjust the volume during an mbrace call,
proceed as follows:
X
Press the WorX button on the
multifunction steering wheel.
or
X Use the Hvolume controller of
COMAND (Y page 113).
You can find further information and a
description of all available features under
"Owners Online" at http://
www.mbusa.com 17
.
System self-test After you have switched on the ignition, the
system carries out a self-diagnosis.
Am
alfunction in the system has been
detected if one of the following occurs:
R the indicator lamp in th eSOS button does
not come on during the system self-test.
R the indicator lamp in the ºRoadside
Assistance button does not light up during
self-diagnosis of the system.
R the indicator lamp in the EMB-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 º Roadside Assistance call
button
- the E MB Info call button
R the Tele Aid Inoperative or
Tele Aid
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,
assistance must 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 1-888-990-9007
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. Ensure that
your system is activated and ready for use,
and press the EMB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system.
If you have questions aboutt he activation,
contact one of the following telephone
hotlines:
R USA: Mercedes-Ben zCustomer
Assistance Cente rat
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
An emergency call is dialed automatically if
an airb ag or Emergency Tensioning Device is
triggered.
i You canno tend an automatically
triggered emergency call yourself.
An emergency call can also be initiated
manually.
As soo nas the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The Connecting Call message
appears on the multifunction display.
Emergency Call Activated is shown in the
COMAND display. The audio system is muted.
17 USA only. 408
FeaturesStowage and features
sent. If you own multiple Mercedes-Benz
vehicles with mbrace and activated mbrace
accounts:
Each destination address sent can be
accessed by every vehicle which is
connected with the relevant e-mail
address.
Vehicle remote opening You can use the vehicle remote opening if you
have unintentionally locked your vehicle and
a replacement SmartKey is not available. The
vehicle can be opened by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be opened remotely up to four
days after the ignition was last switched off.
X Contact the following service hotlines:
R
USA: Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
You will be asked for your password.
X Return to your vehicle at the time agreed
upon with the Mercedes-Benz Customer
Assistance Center.
X Pull on the trunk lid handle for at least
20 seconds until the indicator lamp in the
SOS button (Y page 408) flashes.
The Connecting Call message appears in
the multifunction display.
USA only: alternatively, the vehicle can be
opened via:
R the Internet, under the "Owners Online"
section
R the telephone application (e.g. iPhone ®
)
i Vehicle remote opening is only possible if
the corresponding mobile phone network
is accessible.
The SOS button flashes and the
Connecting Call message appears in the
multifunction display to confirm that the command for vehicle remote unlocking has
been received.
If the trunk lid handle is pulled for longer
than 20 seconds before authorization has
been received, you must wait for
15 minutes. Only then can you pull the
trunk lid handle once again.
Vehicle remote closing The remote closing feature can be used when
you have forgotten to lock the vehicle and you
are no longer nearby. The vehicle can then be
locked by the Mercedes-Benz Customer
Assistance Center.
The vehicle can be locked remotely up to four
days after the ignition was last switched off.
X
Contact the following service hotlines:
R
USA: Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
You will be asked for your PIN.
The next time you are in your vehicle and
switch on the ignition, the Tele Aid Doors
Locked Remotely message appears in the
multifunction display.
USA only: alternatively, the vehicle can be
locked via:
R the Internet, under the "Owners Online"
section
R the telephone application (e.g. iPhone ®
)
i The vehicle remote closing feature is
available when the relevant mobile phone
network is available and data connection is
possible.
Automatic vehicled ata retrieval for the
service due date You
rvehicle comes with a function which
improves the servicing of the vehicle
considerably. Shortly before the service due
date, mbrace sends important vehicle Features
413Stowage and features Z