2015 MERCEDES-BENZ CLA-Class ignition

Display messages
Possible causes/consequences and
M
MSolutions Ð
Power Power
Steering
Steering Mal‐
Mal‐
function See Oper‐
function See Oper‐
ator's Manual ator's Manual The power steering is malfunctioning.
A warning tone also sounds.
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. Ð
Steering Malfunc‐ Steering Malfunc‐
tion See Opera‐ tion See Opera‐
tor's Manual tor's Manual The electric steering lock is malfunctioning.
G WARNING
The steering may be locked by the electric steering lock.
There is a risk of an accident. 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 160).
X Do not drive on and consult the nearest qualified specialist
workshop. _
Before Starting Before Starting
the Engine, Turn the Engine, Turn
Steering Wheel Steering Wheel The electric steering lock was unable to unlock the steering.
X Remove the SmartKey from the ignition lock.
X To unlock the steering, move the steering wheel slightly.
X Insert the SmartKey into the ignition lock again. Phone No Service
Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X Wait until the mobile phone operational readiness symbol
appears in the multifunction display. ¥
Check Washer Fluid Check Washer Fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X Add washer fluid (Y page 290). Wiper Malfunction‐ Wiper Malfunction‐
ing ing The windshield wipers are malfunctioning.
X Visit a qualified specialist workshop. Hazard Warning
Hazard Warning
Flashers Malfunc‐ Flashers Malfunc‐
tioning tioning The hazard warning lamps are faulty.
X Visit a qualified specialist workshop. Display
messages
245On-board computer and displays Z

SmartKey
Display messages
Possible causes/consequences and
M
MSolutions Â
Key Does Not Key Does Not
Belong to Vehicle Belong to Vehicle You have put the wrong SmartKey in the ignition lock.
X Use the correct SmartKey. Â
Take Take
Your
YourKey
Keyfrom
from
Ignition
Ignition The SmartKey is in the ignition lock.
X Remove the SmartKey. Â
Obtain a New Key Obtain a New Key The SmartKey needs to be replaced.
X Visit a qualified specialist workshop. Â
Replace Replace
Key
KeyBattery
Battery The SmartKey battery is discharged.
X Change the battery (Y page 78).Â
Don't Forget Your Don't Forget Your
Key Key The display message is shown for a maximum of 60 seconds and
is only a reminder.
You have opened the driver's door with the engine switched off.
The SmartKey is not in the ignition lock.
X Take the SmartKey with you when you leave the vehicle. Â
Key Not Detected Key Not Detected
(red display message) The SmartKey is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the 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 160).
X Locate the SmartKey. Because there is interference from a strong source of radio waves,
the key is not detected whilst the engine is running.
A warning tone also sounds.
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 160).
X Insert the SmartKey into the ignition lock and bring into key
mode. 246
Display messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Â
Key Not Detected Key Not Detected
(white display mes-
sage) The SmartKey is currently undetected.
X Change the location of the SmartKey in the vehicle.
If the SmartKey still cannot be detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
Remove Remove
'Start'
'Start' But‐
But‐
ton and Insert Key
ton and Insert Key The SmartKey is continually undetected.
KEYLESS-GO is temporarily malfunctioning or is defective. A warn-
ing tone also sounds.
X Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
General notes
Some systems carry out a self-diagnosis when the ignition is switched on. Therefore, some
indicator and warning lamps may light up or flash temporarily. This behavior is non-critical.
These indicator and warning lamps only indicate a malfunction if they light up or flash after
starting the engine or whilst driving. Safety
Seat belts Problem
Possible causes/consequences and
M MSolutions ü
After starting the
engine, the red seat
belt warning lamp lights
up for 6 seconds. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X Fasten your seat belt (Y page 44).ü
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a warn-
ing tone sounds for up
to 6 seconds. The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 44).
The warning tone ceases. Wa
rning and indi cator lamps in the instrument cluster
247On-board computer and displays Z

Engine
Problem
Possible causes/consequences and
M
MSolutions ;
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 special-
ist 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. æ
The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning.
The fuel level has dropped into the reserve range.
X Refuel at the nearest gas station. æ
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 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 work-
shop. ?
The red coolant warn-
ing lamp lights up while
the engine is running
and the coolant tem-
perature 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. 256
Warning and indicator lamps in the instrument clusterOn-board computer and displays

X
Lift up the cover of socket :.mbrace
General notes The mbrace system is only available in the
USA.
You must have a license agreement to acti-
vate the mbrace service. Make sure that your system is activated and operational. To log in,
press the ïMB 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 hot-
lines:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
Shortly after successfully registering with the
mbrace service, a user ID and password will
be sent to you by mail. You can use this pass-
word to log onto the mbrace area under "Own-
ers Online" at http://www.mbusa.com.
The system is available if:
R it has been activated and is operational
R the corresponding mobile phone network is
available for transmitting data to the Cus-
tomer Center
R a service subscription is available
R the starter battery is sufficiently charged
Determining the location of the vehicle on a
map is only possible if:
R GPS reception is available.
R the vehicle position can be forwarded to
the Customer Assistance Center. The mbrace system To adjust the volume during a call, proceed as
follows:
X Press the WorX button on the mul-
tifunction steering wheel.
or
X Use the COMAND/Audio 20 volume con-
trol.
The system offers various services, e.g.:
R Automatic and manual emergency call
R Roadside Assistance call
R MB Info call
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 detec-
ted 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 FRoadside
Assistance button does not light up during
self-diagnosis of the system.
R The indicator lamp in the ïMB Info call
button does not light up during self-diag-
nosis 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
- F Roadside Assistance call button
- ï MB Info call button
R The Inoperative Inoperative or theService Not
Service Not
Activated
Activated message appears in the multi-
function display after the system self-diag-
nosis.
If a malfunction is indicated as outlined
above, the system may not operate as expec-
ted. In the event of an emergency, help will
have to be summoned by other means. 272
FeaturesStowage and features

A display message appears, asking
whether navigation should be started.
X Select Yes Yesby turning cVdor sliding XVY
the controller and confirm with W.
The system calculates the route and sub-
sequently starts the route guidance with
the address entered.
If you select No
No the address can be stored in
the address book.
If you have sent more than one destination address, each individual destination must
be confirmed separately.
Destination addresses are loaded in the same
order as the order in which they were sent.
If you own multiple Mercedes-Benz vehicles
with mbrace and activated mbrace accounts:
If multiple vehicles are registered under the
same e-mail address, the destination will be
sent to all the vehicles.
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 immediately opened
remotely within four days of the ignition being turned off. After this time, the remote unlock-
ing may be delayed by 15 to 60 minutes. After
30 days, the vehicle can no longer be opened remotely.
The vehicle remote unlocking feature is avail-
able if the relevant mobile phone network is
available and a data connection is possible.
X Contact the following service hotlines:
Mercedes-Benz Customer Assistance Cen- ter at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
You will be asked for your password.
X Return to your vehicle at the time agreed
upon with the Mercedes-Benz Customer
Assistance Center. Alternatively, the vehicle can be opened via:
R the Internet, under the "Owners Online"
section
R the telephone application (e .g. for iPhone ®
,
Android)
To do this, you will need your identification
number and password.
Vehicle remote closing The vehicle 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 immediately remotely
locked within four days of the ignition being
turned off. After this time, remote closing may
be delayed by 15 to 60 minutes. After 30 days the vehicle can no longer be locked remotely.
The vehicle remote closing feature is availa-
ble if the relevant mobile phone network is
available and a data connection is possible.
X Contact the following service hotlines:
Mercedes-Benz Customer Assistance Cen-
ter at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
You will be asked for your password.
The next time you are inside the vehicle and
you switch on the ignition, the Doors
Doors
Locked Remotely Locked Remotely message appears in the
multifunction display.
Alternatively, the vehicle can be locked via:
R the Internet, under the "Owners Online"
section
R the telephone application (e .g. for iPhone ®
,
Android)
To do this, you will need your identification
number and password. Features
277Stowage and features Z

Stolen vehicle recovery service
If your vehicle has been stolen:
X Notify the police.
The police will issue a numbered incident
report.
X This number will be forwarded to the
Mercedes-Benz Customer Assistance Cen-
ter together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The Mercedes-Benz Customer Assistance Cen-ter contacts you and the local law enforce-
ment agency if the vehicle is located.
However, only the law enforcement agency is informed of the location of the vehicle.
If the anti-theft alarm system is activated for
longer than 30 seconds, the Mercedes-Benz
Customer Assistance Center is automatically notified.
Vehicle Health Check With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an existing call, vehicle data is transferred to the Customer Assistance Center.
The customer service representative can use
the received data to decide what kind of
assistance is required. You are then, for
example, guided to the nearest authorized
Mercedes-Benz Center or a recovery vehicle
is called.
If vehicle data needs to be transferred during
an MB Info call or a Roadside Assistance call, this is initiated by the Customer Assistance
Center.
The Roadside Assistance Connected
Roadside Assistance Connected
message appears in the display. If the Vehicle
Health Check can be started, the Request Request
for Vehicle Diagnostics Received
for Vehicle Diagnostics Received
Start vehicle diagnostics? Start vehicle diagnostics? message
appears in the display. X
Press the Yes
Yesbutton to confirm the mes-
sage.
X When the Vehicle Diagnostics
Vehicle Diagnostics
Please Start Ignition
Please Start Ignition message
appears: turn the SmartKey to position 2in
the ignition lock (Y page 141).
X If the Please follow the instruc‐
Please follow the instruc‐
tions received by phone and move
tions received by phone and move
your vehicle to a safe position. your vehicle to a safe position.
message appears: please follow the
instructions received by phone and move
your vehicle to a safe position.
The message in the display disappears.
The vehicle operating state check begins.
During this procedure, you will see the
Vehicle Vehicle Diagnostics
Diagnostics Active
Activemessage.
If you select Cancel
Cancel, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
Sending
vehicle diagnostics data. (Voice
vehicle diagnostics data. (Voice
connection may be interrupted dur‐ connection may be interrupted dur‐
ing ing data
data transfer)
transfer) message appears. The
vehicle data can now be sent.
X Press the OK
OKbutton to confirm the mes-
sage.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐ Vehicle Diagnostics: Transfer‐
ring Data...
ring Data... message appears.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice con-
nection is re-established after the transfer is
complete. If necessary, you will be contacted at a later time by another means, e.g. by e-
mail or phone.
Another function of the Vehicle Health Check is the transfer of service data to the Customer
Assistance Center. If a service is due, the dis-
play shows a message to this effect together with information about any special offers at
your workshop.
This information can also be called up under
"Owners Online" at http://www.mbusa.com. 278
FeaturesStowage and features

X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 141).
X Press and hold buttons ;and ?.
The indicator lamp initially lights up yellow
and then green.
X Release buttons ;and ?.
The memory of the integrated garage door
opener in the rear-view mirror is cleared. Compass
Calling up the compass :
Rear-view mirror
; Compass display
= Opening
The compass displays in which compass
direction the vehicle is currently traveling: N N,
NE
NE, E
E,SE
SE, S
S,SW
SW, W
Wor NW
NW.
To receive a correct compass display reading, the magnetic field zone must be set and the
compass calibrated. Setting the compass X
Set your location using the magnetic field
zone maps (Y page 284).
X Push a round pen into opening =for
approximately three seconds.
The magnetic field zone currently selected
appears in compass display ;.
X To select the magnetic field zone: push a
round pen into opening =until the desired
magnetic field zone is selected.
If, after a few seconds, the display in com-
pass display ;changes direction, the
magnetic field zone has been selected.
Calibrating the compass Notes
In order to calibrate the compass correctly,
do the following:
R calibrate the compass in the open and not
in the vicinity of steel structures or high-
voltage transmission lines.
R switch off electrical consumers such as the
climate control, windshield wipers or rear
window defroster.
R close all doors and the trunk lid.
Calibrating
X Make sure that there is sufficient space for
you to drive in a circle without impeding
traffic.
X Switch on the ignition.
X Push a round pen into opening =for
approximately six seconds, until symbol C
C
is shown in compass display ;.
X Drive your vehicle in a full circle at approx-
imately 3 mph (5 km/h) to 6 mph
(10 km/h).
When the calibration has been successfully
completed, the current direction is shown
in compass display ;. Features
283Stowage and features Z