2014 MERCEDES-BENZ CLS steering wheel

Safety systems
Display messagesPossible causes/consequences andSolutions

Currently
Unavailable See
Operator's Manual
ABS (Anti-lock Braking System), ESP®(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE®,the HOLD function and
hill start assist are temporarily unavailable.
BAS PLUS and PRE-SAFE®Brake may also have failed.
In addition, the, andwarning lamps light up in
the instrumentcluster.
ATTENTIONASSIST is deactivated.
Possible causes are:
Rself-diagnosis is not yet complete.
Rthe on-board voltage may be insufficient.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XCarefully driveasuitable distance, making slight steering
movements, ataspeed above 12 mph (20 km/h).
If the displaymessage disappears, the functions mentioned
above are available again.
If the displaymessage continues to be displayed:
XDrive on carefully.
XVisitaqualified specialist workshop.

Inoperative See
Operator's Manual
ABS,ESP®,BAS,PRE-SAFE®,the HOLD function and hill start
assist are unavailable due toamalfunction.
The(USA only)/
(Canada only),, and
warning lamps in the instrumentcluster also light up.
ATTENTION ASSISTisdeactivated.
GWARNING
The brakesystem continues to function normally, but without the
functionslisted above. The wheels could therefore lock if you
brakehard, for example.
238Display messages
On-board computer and displays

Display messagesPossible causes/consequences andSolutions
Blind SpotAssist
Currently
Unavailable See
Operator'sManual
orActive Blind
SpotAssist
Currently
Unavailable See
Operator'sManual
Blind Spot AssistorActiveBlind Spot Assististemporarily
inoperative. Possiblecauses are:
Rthesensorsare dirty.
Rfunction is impaireddue to heavyrain or snow.
Rtheradarsensor system is outside the operatingtemperature
range.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellowindicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 167).
XClean the sensors(Ypage 315).
XRestart the engine.
Blind Spot Assist
Inoperativeor
Active Blind Spot
Assist Inoperative
Blind Spot Assist or Active Blind Spot Assist is defective.
The yellowindicator lamps also light up in the exterior
mirrors.
XVisitaqualified specialist workshop.
Park Assist
Canceled
The driver's door is open and the driver's seat belt has not been
fastened.
XRepeat the parkingprocess with the seat belt fastened and the
driver's door closed.
You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
XWhile steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally.
The vehicle has started to skid and ESP®has intervened.
XUse Active ParkingAssist again later (Ypage 196).
254Display messages
On-boar dc omputer and displays

Tires
Display messagesPossible causes/consequencesandSolutions
Check
TirePressure Soon
The tire pressure loss warningsystem has detectedasignificant
lossinpressure.
Awarning tone also sounds.
GWARNING
Withtirepressureswhichare toolow, there isariskofthe
following hazards:
Rthey may burst, especiallyasthe load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressures and, if necessary, correct the tire
pressure.
XRestart the tire pressure loss warning system when the tire
pressure is correct (Ypage 342).
CheckTirePressure
Then Restart Run
Flat Indicator
The tire pressure loss warning system generatedadisplay
message and has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 342).
Run Flat Indicator
Inoperative
The tire pressure loss warning system is faulty.
XVisitaqualified specialist workshop.
Rectify
Tire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 342).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 345).
258Display messages
On-board computer and displays

Display messagesPossible causes/consequences andSolutions
Check
Tires
The tire pressureinoneor moretires has dropped significantly.
The wheelposition is displayed in themultifunction display.
Awarning tone also sounds.
GWARNING
Withtirepressureswhichare toolow, there isariskofthe
following hazards:
Rthey may burst, especiallyasthe load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressure (Ypage 342).
XIf necessary, correct the tire pressure.
Warning
Tire Malfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
GWARNING
If you drive withaflat tire, there isarisk of the following hazards:
Raflat tire affects the ability to steer or brake the vehicle.
Ryou could lose control of the vehicle.
Rcontinued driving withaflat tire will cause excessive heat build-
up and possiblyafire.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
Display messages259
On-board computer and displays
Z

ProblemPossible causes/consequences andSolutions

The yellowABS warning
lamp is lit while the
engine is running.
ABS is temporarily unavailable. BAS,BAS PLUS, ESP®,EBD
(electronic brake force distribution), PRE-SAFE®,
PRE-SAFE®Brake, the HOLD function, hill start assist are therefore
also deactivated, for example.
Possible causes are:
Rself-diagnosis is not yet complete.
Rthe on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There isarisk of an accident.
XCarefullydrive onasuitable stretch of road, making slight
steering movementsataspeed 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.
268Indicator and warning lampsinthe instrument cluster
On-board computer and displays

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
Z

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
Z

XPress MB Infocall button.
This initiatesacall to the Mercedes-Benz
Customer Assistance Center. The indicator
lamp in MB Infocall buttonflashes while
the connection is being made. The
ConnectingCallmessage appears in the
multifunction display and COMAND 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. During the call, you can change to
the navigation menu by pressing the 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. You can
obtain information on how to operate your
vehicle's systems, on the location of the
nearest authorized Mercedes-Benz Center,
and on further products and services offered
by Mercedes-Benz USA.
USA only: you can find further information on
the mbrace system under "Owners Online" at
http://www.mbusa.com.
iThe system has not been able to initiate
an MB Info call, if:
Rthe indicator lamp in MB Info 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.
Call priority
When service calls areactive, e.g.Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an
emergencycall will take priority and override
all other active calls.
The indicator lamp of the respective button
flashes until the call is ended. An emergency
call can only be terminated by the Mercedes-
Benz Customer Assistance Center.
All other calls can be ended by pressing:
Rthebutton on the multifunction
steeringwheel
Ror the corresponding COMAND button for
endingatelephone call
iWhenacall is initiated, the audio system
is muted. The mobile phone is no longer
connected to COMAND. However, if you
want to use your mobile phone, do so only
when the vehicle is stationary and inasafe
location.
Downloading destinations in COMAND
Downloading destinations
Destination Download gives you access to a
data bank with over 15 million Points of
Interest (POIs). These can be downloaded on
the navigation system in your vehicle. If you
know the destination,the address can be
downloaded. Alternatively, you can obtain the
location of Points of Interest (POIs)/
important destinationsinthe vicinity.
Furthermore, you can download routes with
up to 20 way points.
You are prompted to confirm route guidance
to the address entered.
294Features
Stowage and features