display MERCEDES-BENZ CLS 2014 Owners Manual

ProblemPossible causes/consequences andSolutions

The yellowESP®and
ESP®OFF warning
lamps are lit while the
engine is running.
ESP®,BAS,BAS PLUS, PRE-SAFE®,PRE-SAFE®Brake, the HOLD
function and hill start assist are not available due toamalfunction.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisitaqualified specialist workshop.

The yellowESP®and
ESP®OFF warning
lamps are lit while the
engine is running.
ESP®,BAS, PRE-SAFE®,the HOLD functionand hill start assist are
temporarilyunavailable.
BAS PLUSand PRE-SAFE®Brake mayalsohavefailed.
ATTENTIONASSIST is deactivated.
self-diagnosisisnot yetcomplete.
GWARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergencybraking situation can thus
increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XCarefully drive onasuitable stretch of road, making slight
steeringmovements ataspeed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisitaqualified specialist workshop.
Indicator and warning lampsinthe instrument cluster271
On-board computer and displays
Z

ProblemPossible causes/consequences andSolutions
(USA only)

(Canada only)
The red brake system
warning lamp comes on
while the vehicle is
moving.Awarning tone
also sounds.
You are driving with the parking brake applied.
XRelease the parking brake.
The warning lamp goes out and the warning tone ceases.

The red SRS warning
lamp is lit while the
engine is running.
There isamalfunction in the SRS (Supplemental Restraint
System).
GWARNING
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.
XDrive on carefully.
XHave SRS checked ataqualified specialist workshop
immediately.
For further information about SRS, see (Ypage 41).
272Indicator and warning lampsinthe instrument cluster
On-board computer and displays

Engine
ProblemPossible causes/consequences andSolutions
\n
The yellow Check
Enginewarning lamp
lightsupwhile the
engineisrunning.
Theremay beamalfunction, for example:
Rin theenginemanagement
Rin thefuel injection system
Rin theexhaust system
Rin theignition system
Rin thefuel system
The emission limit values may be exceeded and theenginemay
be runninginemergencymode.
XHavethevehicle checked as soon as possible ataqualified
specialist workshop.
iIn somestates, you must immediately visitaqualified
specialist workshopassoon as theyellow CheckEngine 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 lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.

The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the\n
Check Enginewarning
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.
XCheck that the fuel filler cap is correctly closed.
XIf the fuel filler cap is not correctly closed:close the fuel filler
cap.
XIf the fuel filler cap is closed:visitaqualified specialist
workshop.

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.
XPull 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.
XSecure the vehicle against rolling away (Ypage 167).
XConsultaqualified specialist workshop.
Indicator and warning lampsinthe instrument cluster273
On-board computer and displays
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ProblemPossible causes/consequences andSolutions

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.
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 167).
XLeave the vehicle and keepasafe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (Ypage 308).
XIf you need to add coolant more often than usual, have the
engine coolant system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XDo not start the engine again until the coolant temperature is
under 248‡(120 †). Otherwise,the engine couldbedamaged.
XDrive to the nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainousterrain, and stop-and-go traffic.

The red coolant
warning lamp comes on
while the engine is
running.Awarning 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.
GWARNING
The engine is not being cooledsufficiently and may be damaged.
Do not drive whenyour engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catchfire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There isarisk of injury.
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 167).
274Indicator and warning lampsinthe instrument cluster
On-board computer and displays

ProblemPossible causes/consequences andSolutions
XLeave the vehicle and keepasafe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (Ypage 308).
XIf you need to add coolant more often than usual, have the
engine coolant system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XAt coolant temperatures under 248‡(120 †), drive to the next
qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainousterrain, and stop-and-go traffic.
Driving systems
ProblemPossible causes/consequencesandSolutions

The red distance
warning lamp lights up
while the vehicle is in
motion.
The distance to the vehicle in front is too smallfor the speed
selected.
XIncrease the distance.

The red distance
warning lamp lights up
while the vehicle is in
motion.Awarning tone
also sounds.
You are approachingavehicle orastationary obstacle in your line
of travel at too highaspeed.
XBe prepared to brake immediately.
XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on PRE-SAFE®Brake (Ypage 72).
Indicator and warning lampsinthe instrument cluster275
On-board computer and displays
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Tires
ProblemPossible causes/consequencesandSolutions

The yellow tire pressure
monitor warninglamp
(pressure loss/
malfunction) is lit.
The tire pressure monitor hasdetectedalossofpressure in at
leastone of the tires.
GWARNING
With tire pressures which aretoo low, there isarisk of the
following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steeringand braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steeringorbraking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 167).
XObserve the additional display messages in the multifunction
display.
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressure (Ypage 342).
XIf necessary, correctthe tire pressure.

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.
GWARNING
The system is possibly unable to recognize or register low tire
pressure.
There isarisk of an accident.
XObserve the additional display messages in the multifunction
display.
XVisitaqualified specialist workshop.
276Indicator and warning lampsinthe instrument cluster
On-board computer and displays

backrest forwards, the respective front
seat moves forward slightly, when
necessary, in order to avoid contact.
XVehicles without memoryfunction:if
necessary,movethe driver's or front-
passengerseat forwards.
XOpen the trunk.
XPull right-hand or left-hand rear seat
backrest release handle.
The correspondingrear seat backrest is
released.
XFold rear seat backrestforwards.
XMove the driver's or front-passenger seat
back if necessary.
Folding the seat backrest back
!Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be
damaged.
XMove the driver's or front-passenger seat
forward if necessary.
XFold rear seat backrestback until it
engages.
If the rear seat backrest is not engaged and
locked, this will be shown in the
multifunction display in the instrument
cluster.Awarning tone also sounds.
XMovethedriver'sorfront-passenger seat
back if necessary.
iYou should always engage therear seat
backrests if you do notneed the through-
loading feature. This will prevent
unauthorized access to the trunkfrom the
vehicle interior.
Securing cargo
Cargo tie-down rings
General notes
Observe the following notes on securing
loads:
RObserve the loading guidelines
(Ypage 278).
RSecure the load using the cargo tie-down
rings.
RDistribute the load on the cargo tie-down
rings evenly.
RDo not use elastic straps or netstosecure
aload, as these are only intended as an
anti-slip protection for light loads.
RDo not route tie-downs across sharp edges
or corners.
RPad sharp edges for protection.
282Stowage areas
Stowage and features

Raservicesubscription is available
Rthestarter battery is sufficiently charged
iDetermining thelocationofthe vehicle on
amap is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer AssistanceCenter.
The mbrace system
To adjust the volume duringacall, proceed
as follows:
XPress theor button on the
multifunction steering wheel.
or
XUse the volume controller of the audio
system/COMAND.
The system offers various services, e.g:
RAutomatic and manual emergency call
RRoadside Assistancecall
RMB 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 outaself-diagnosis.
Amalfunction in thesystem has been
detected if oneofthefollowingoccurs:
RThe indicator lamp in theSOS button does
notcomeonduringthesystem self-test.
RThe indicator lamp in theRoadside
Assistancebuttondoes not light up during
self-diagnosis of the system.
RThe indicator lamp in theMB Info call
button does not light up during self-
diagnosis of the system.
RThe indicator lamp in one or more of the
following buttonscontinues to light up red
after the system self-diagnosis:
-SOS button
-Roadside Assistance call button
-MB Info call button
Rafter the system self-diagnosis, the
InoperativeorService Not
Activatedmessage appears in the
multifunction display.
Ifamalfunction 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:
RUSA:Mercedes-Benz Customer Assistance
Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
RCanada:Customer Serviceat
1-888-923-8367
Emergency call
Important safety notes
!You must havealicense agreement to
activate the mbrace service. Make sure
that your system is activated and ready for
use. To register, press theMB Info call
button.Ifany 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:
RUSA:Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372)or1-866-990-9007
RCanada:Customer Serviceat
1-888-923-8367
Features291
Stowage and features
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General notes
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
iYou cannot end an automatically
triggered emergency call yourself.
An emergency call can alsobeinitiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The multifunction display shows the
Connecting Callmessage.
The audio outputismuted.
Once the connection has been made, the
Call Connectedmessage appears in the
multifunction display.
All important information on the emergency
is transmitted, for example:
RCurrent location of the vehicle (as
determined by the GPS system)
RVehicle identification number
RInformation on the severity of the accident
Shortly after the emergency call has been
initiated,avoice connection is automatically
established between the Mercedes-Benz
Customer Assistance Center and the vehicle
occupants.
RIf the vehicle occupants respond, the
Mercedes-Benz Customer Assistance
Center attempts to get more information
on the emergency.
RIf there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
If no voice connection can be established to
the response center, the system was unable
to initiate an emergency call. This can occur
for instance if the relevant mobile phone
network is not available. The indicator lamp
in the SOS button flashes continuously.
TheCall Failedmessage appears in the
multifunction displayand must be confirmed.
In this case, summon assistance by other
means.
Making an emergency call
GWARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an
emergency if:
Ryou see smoke inside or outside of the
vehicle, e.g. if there isafire after an
accident
Rthe vehicle is onadangerous section of
road
Rthe vehicle is not visible or cannot easilybe
seen by other road users, particularly when
dark or in poor visibility conditions
There isarisk of an accident and injury.
Leave the vehicle immediately in this or
similar situations as soon as it is safe to do
so. Move toasafe location along with other
vehicle occupants. In such situations, secure
the vehicle in accordance with national
regulations, e. g. withawarning triangle.
XTo initiate an emergency call
manually:press coverbriefly to open.
XPress SOS buttonbriefly.
The indicator lamp in SOS button
flashes until the emergency call is
concluded.
XWait foravoice connection to the
Mercedes-Benz Customer Assistance
Center.
XAfter the emergency call, close cover.
iIf the mobile phone network is
unavailable, mbrace will not be able to
make the emergency call. If you leave the
292Features
Stowage and features

vehicleimmediatelyafter pressing the SOS
button, you willnot know whethermbrace
placed the emergency call. In this case,
always summon assistance by other
means.
Roadside Assistance button
XPress Roadside Assistance button.
This initiatesacall to the Mercedes-Benz
Customer Assistance Center. The indicator
lamp in Roadside Assistance button
flashes while the call is active. The
multifunction display shows the
Connecting Callmessage. The audio
output is muted.
Ifaconnection can be made, theCall
Connectedmessage appears in the
multifunction display.
Ifamobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
RCurrent location of the vehicle
RVehicle identification number
iThe COMAND display indicates thatacall
is active. Duringthe call, you can changeto
the navigation menu by pressingthe NAVI
button on COMAND,for example.
Voice output is not available.
Avoice 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 (Ypage 297).
The Mercedes-Benz Customer Assistance
Center either sendsaqualified 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.
iThe system has not been able to initiate
aroadside assistance call, if:
Rthe indicator lamp for Roadside
Assistance call buttonis flashing
continuously.
Rno voice connection to the Mercedes-
Benz Customer Assistance Center was
established.
This may be because the corresponding
mobile phone network is not available.
TheCall Failedmessage appears in the
multifunction display.
XTo endacall:press thebutton on the
multifunctionsteering wheel.
or
XPress the corresponding button for ending
aphone callonCOMAND.
MB Info call button
Features293
Sto wag ea nd featur es
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