wheel MERCEDES-BENZ CLA 2014 Owners Manual

Display messagesPossible causes/consequences and
Solutions
Check TiresThe tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
Awarning tone also sounds.
GWARNING
With tire pressures which are too low, there is a riskofthe
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 steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 153).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 295).
XCheck the tire pressure (Ypage 320).
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 with a flat tire, there is a risk of the following hazards:
Ra flat tire affects the ability to steer or brake the vehicle.
RYou could lose control of the vehicle.
Rcontinued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 153).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 295).
Display messages235
On-board computer and displays
Z

Display messagesPossible causes/consequences and
Solutions
Tire Press.
Monitor Currently
Unavailable
Due to a source of radiointerference, no signals can be received
from the wheel sensors.The tire pressure monitor is temporarily
malfunctioning.
XDrive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
TirePress.
Sensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
XHave the faulty tire pressure sensor replaced at a qualified
specialist workshop.
Tire Pressure
Monitor
Inoperative No
Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
Tire Press.
Monitor
Inoperative
The tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Vehicle
Display messagesPossible causes/consequences and
Solutions
Shiftto'P'or'N'
to Start Engine
You have attempted to start the engine with the transmission in
positionRorD.
XShift the transmission to positionPorN.
Auxiliary Battery
Malfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
XVisit a qualified specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to positionPbefore
you switch off the engine.
XBefore leaving the vehicle, apply the electric parking brake.
Depress Brake to
Start Engine
You have attempted to start the engine with the transmission in
positionNwithout depressing the brake pedal.
XDepress the brake pedal.
236Display messages
On-board computer and displays

Display messagesPossible causes/consequences and
Solutions
Transmission
malfunction
The automatictransmission is malfunctioning.
XVisitaqualified specialist workshop.
Transmission
Malfunction Stop
The automatic transmission is malfunctioning.
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 153).
XConsult a qualified specialist workshop.
StopVehicleShift
to P Leave Engine
Running
The automatic transmission has overheated.
XDrive on carefully.
The automatic transmission is available again when the display
message goes out.
If the display message continues to be displayed:
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 153).
XWait until the automatic transmission has cooled down and the
display message has disappeared.
Trans. Oil
Overheated Drive
on with Care
AMG vehicles: the transmission oil has overheated.
Manual drive programMand the temporarily active manual drive
program are no longer available. The engine power output is
reduced.
XAllow the vehicle to cool down.
4matic Currently
Unavailable
4MATIC (permanentall-wheeldrive) has overheated. The vehicle
is only drivenby the frontwheels.
XDrive on.
The airflow cools 4MATIC more quickly.
When the display message goes out, 4MATIC is available again
and the vehicle is driven by all four wheels.
4matic Inoperative4MATIC is malfunctioning. The vehicle is only driven by the front
wheels.
XVisit a qualified specialist workshop.
The trunk lid is open.
XClose the trunk lid.
238Display messages
On-board computer and displays

Safety systems
ProblemPossible causes/consequences and
Solutions
(USA only)
(Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
XSecure the vehicle against rolling away (Ypage 153).
XDo not add brake fluid. Adding more will not remedy the
malfunction.
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction
display.

The yellow ABS warning
lamp is lit while the
engine is running.
ABS (Anti-lock Braking System) is deactivated due to a
malfunction. Therefore, BAS (Brake Assist), COLLISION
PREVENTION ASSIST, COLLISION PREVENTION ASSIST PLUS,
ESP®(Electronic Stability Program), the HOLD function and hill
start assist, for example, are also deactivated.
ATTENTION ASSIST is deactivated.
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.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic
transmission, will not be available.
242Warning and indicator lamps in the instrument cluster
On-board computer and displays

ProblemPossible causes/consequences and
Solutions

The yellow ABS warning
lamp is lit while the
engine is running.
ABS is temporarily unavailable. BAS, COLLISION PREVENTION
ASSIST, COLLISION PREVENTION ASSIST PLUS, ESP®, EBD
(electronic brake force distribution), the HOLD function and hill
start assist, for example, are therefore also deactivated.
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 is a risk of an accident.
XCarefully drive a suitable distance, making slight steering
movements at a speed 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.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster243
On-board computer and displays
Z

ProblemPossible causes/consequences and
Solutions

The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.
EBD is malfunctioning. Therefore, ABS, BAS, COLLISION
PREVENTION ASSIST, COLLISION PREVENTION ASSIST PLUS,
ESP®, the HOLD function and hill start assist, for example, are not
available either.
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 is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisit a qualified specialist workshop.
(USA only)
(Canada only)

The red brake warning
lamp, the yellow ESP®
and ESP®OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running.
ABS and ESP®are malfunctioning. Therefore, BAS, COLLISION
PREVENTION ASSIST, COLLISION PREVENTION ASSIST PLUS,
EBD, the HOLD function and hill start assist, for example, are not
available either.
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 is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisit a qualified specialist workshop.
244Warning and indicator lamps in the instrument cluster
On-board computer and displays

ProblemPossible causes/consequences and
Solutions

The yellow ESP®
warning lamp flashes
while the vehicle is in
motion.
ESP®or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
XWhen pulling away, only depress the accelerator pedal as far as
necessary.
XEase off the accelerator pedal while the vehicle is in motion.
XAdapt your driving style to suit the road and weather conditions.
XDo not deactivate ESP®.
For exceptions, see: (Ypage 65).

The yellow ESP®OFF
warning lamp is lit while
the engine is running.
ESP®and ESP®trailer stabilization are deactivated. ESP®will not
stabilize the vehicle if it starts to skid or if a wheel starts to spin.
GWARNING
If ESP®is switched off, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XReactivate ESP®.
For exceptions, see: (Ypage 65).
XAdapt your driving style to suit the road and weather conditions.
If ESP®cannot be activated:
XHave ESP®checked at a qualified specialist workshop.

AMG vehicles only:
The yellow SPORT
handling mode warning
lamp is lit while the
engine is running.
SPORT handling mode is activated.
GWARNING
When SPORT handling mode is switched on, ESP®is unable to
stabilize the vehicle.
There is an increased risk of skidding and an accident.
XOnly switch on SPORT handling mode in certain situations
(Ypage 66).
Warning and indicator lamps in the instrument cluster245
On-board computer and displays
Z

Socket in the rear-compartment center
console
XPull coverout by its top edge.
XLift up the cover of socket.
Socket in the trunk
XLift up the cover of socket.
mbrace
General notes
You must have a license agreement to
activate the mbrace service. Make sure that
your system is activated and operational. To
log in, press the\nMB 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:
RUSA:Mercedes-Benz Customer Assistance
Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
RCanada:Customer Service at
1-888-923-8367
Shortly after successfully registering with the
service, a user ID and password will be sent
to you by post.
USA only: you can use this password to log
onto the mbrace area under "Owners Online"
athttp://www.mbusa.com.
The system is available if:
Rit has been activated and is operational
Rthe corresponding mobile phone network
is available for transmitting data to the
Customer Center
Ra service subscription is available
Rthe starter battery is sufficiently charged
iDetermining the location of the vehicle on
a map is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during a call, proceed
as follows:
XPress the or\nbutton 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 Assistance call
RMB Info call
USA only: you can find information and a
description of all available features under
"Owners Online" at http://www.mbusa.com.
264Features
Stowage and features

XPress Roadside Assistance button.
This initiates a call to the Mercedes-Benz
Customer Assistance Center.
The indicator lamp in Roadside Assistance
buttonflashes while the call is active.
The multifunction display shows the
Connecting Callmessage. The audio
output is muted.
If a connection can be made, theCall
Connectedmessage appears in the
multifunction display.
If a mobile 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 audio system or COMAND display
indicates that a 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.
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 271).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or makes arrangements 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
a roadside 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 can occur if the relevant mobile phone
network is not available, for example.
TheCall Failedmessage appears in the
multifunction display.
XTo endacall:press thebutton on the
multifunctionsteering wheel.
or
XPress the corresponding button for ending
a phone call on the audio systemoron
COMAND.
MB Info call button
XPress MB Info call button.
This initiates a call to the Mercedes-Benz
CustomerAssistance Center.
The indicator lamp in MB Info call
buttonflashes while the connection is
being made. The multifunction display
shows theConnecting Callmessage.
The audio system is muted.
If a connection can be made, theCall
Connectedmessage appears in the
multifunction display.
Features267
Stowage and features
Z

If a mobile 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 audio system or COMAND display
indicates that a call is active. During the
call, you can change to the navigation menu
by pressing the NAVI button on COMAND,
for example.
Voice outputis not available.
Avoice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest authorized
Mercedes-Benz Center and about other
products and services from Mercedes-Benz.
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 can occur if the relevant mobile phone
network is not available, for example.
TheCall Failedmessage appears in the
multifunction display.
XTo endacall:press thebutton on the
multifunctionsteering wheel.
or
XPress the corresponding button for ending
a phone call on the audio systemoron
COMAND.
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an
emergency call 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-BenzCustomerAssistance
Center.
All other calls can be ended by pressing:
Rthebutton on the multifunction
steering wheel
Rthe corresponding button on the audio
system or on COMAND for ending a
telephone call
iWhen a call 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 in a safe
location.
Downloading destinations in COMAND
Downloading destinations
Destination Download gives you access to a
data bank with over 15 millionPoints 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 destinations in the vicinity.
Furthermore, you can download routes with
up to 20 way points.
You are prompted to confirm route guidance
to the address entered.
The system calculates the route and
subsequently starts the route guidance with
the address entered.
iIf you selectNo, the address can be saved
in the address book.
268Features
Stowage and features