2023 MERCEDES-BENZ CLA Owners Manual

check engine driver seat adjustment transmission fluid timing belt deactivate airbag wheel size

Page 185 of 438

MERCEDES-BENZ CLA 2023 Owners Manual �=�A�c�t�i�v�a�t�i�o�n� �b�y� �a�n� �a�b�r�u�p�t� �s�t�e�e�r�i�n�g� �m�o�v�e�m�e�n�t
�d�u�r�i�n�g� �a� �s�w�e�r�v�i�n�g� �m�a�n�e�u�v�e�r�.
�= �A�s�s�i�s�t�a�n�c�e� �d�u�r�i�n�g� �s�w�e�r�v�i�n�g� �a�

=Activation by an abrupt steering movement
during a swerving maneuver.
= Assistance during swerving and straightening
of the vehicle.
= Reaction from a speed of approximately
12 mph (20 km/h) up to a speed of approx-
imately 43 mph (70 km/h).
You can prevent the assistance at any time by actively steering.
Cornering function (only vehicles with Driving Assistance Package)
If the system detects a risk of a collision with an oncoming vehicle when turning across an oncom-
ing lane, autonomous braking can be initiated at
speeds below 9 mph (15 km/h) before you have
les the lane in which you are driving.&WARNING Risk of accident despite Eva-
sive Steering Assist
Evasive Steering Assist cannot always recog-
nize objects or complex traPc situations
clearly.
Moreover, the steering support provided by
Evasive Steering Assist is not suPcient to
avoid a collision.Always pay careful attention to the traPc
situation; do not rely on Evasive Steering
Assist alone.Be prepared to brake or swerve if neces-
sary.End the support by actively steering in non-critical situations.Drive at an appropriate speed if there
are pedestrians close to the path of your
vehicle.
System limits
Full system performance is not available for a
short time aser switching on the vehicle or aser
driving oM. Depending on the environmental con-
ditions, it may take a few minutes before full sys-
tem performance is available.
The system may be impaired or may not function,
particularly in the following situations:
= In snow, rain, fog, heavy spray, if there is glare,
in direct sunlight or in greatly varying ambient
light.
= If the sensors are dirty, fogged up, damaged or
covered.
= If the sensors are impaired due to interference
from other radar sources, e.g. strong radar
reOections in parking garages.
= If a loss of tire pressure or a defective tire has
been detected and displayed.
= In complex traPc situations where objects
cannot always be clearly identiNed.
= If pedestrians or vehicles move quickly into
the sensor detection range.
= If pedestrians are hidden by other objects.
= If the typical outline of a pedestrian cannot be
distinguished from the background.
= If a pedestrian is not detected as such, e.g.
due to special clothing or other objects.
= If the driver\bs seat belt is not fastened.Driving and parking183

Page 186 of 438

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Page 187 of 438

MERCEDES-BENZ CLA 2023 Owners Manual �D�i�s�p�l�a�y� �i�n� �t�h�e� �I�n�s�t�r�u�m�e�n�t� �D�i�s�p�l�a�y
�I�n�s�t�r�u�m�e�n�t� �d�i�s�p�l�a�y� �i�n� �t�h�e� �w�i�d�e�s�c�r�e�e�n� �c�o�c�k�p�i�t
�1�M�a�x�i�m�u�m� �p�e�r�m�i�s�s�i�b�l�e� �s

Display in the Instrument Display
Instrument display in the widescreen cockpit
1Maximum permissible speed2Maximum permissible speed when there is a
restriction3Additional sign with restriction
The system can show up to two traPc signs simul-
taneously. The system always prioritizes displaying
speed limits. Up to one traPc sign with a maxi-
mum permissible speed can be shown in the head-up display. If two speed signs are shown in
the driver display, e.g. in the case of detected restrictions, the value of the les-hand speed limit
1 is always transmitted to the TEMPOMAT or
Active Distance Assist DISTRONIC for acceptance
and shown in the head-up display.\bVehicles with a standard Instrument Display: a
\f symbol next to a traPc sign in the Instru-
ment Display indicates that additional traPc
signs have been detected. These can also be
displayed in the media display and optionally in the head-up display.
If TraPc Sign Assist cannot determine the maxi-
mum permissible speed (e.g. due to missing
signs), the following display appears:
This is displayed continuously if the vehicle is in a
country where TraPc Sign Assist is not supported.
TraPc Sign Assist is not available in all countries.
\bAlso observe the information on display mes-
sages in TraPc Sign Assist ( page 343).System limits
The system may be impaired or may not function
particularly in the following situations:
= If there is poor visibility, e.g. due to insuPcient
illumination of the road, highly variable shade
conditions, rain, snow, fog or heavy spray.
= If there is glare, e.g. from oncoming traPc,
direct sunlight or reOections.
= If there is dirt on the windshield in the vicinity
of the multifunction camera or if the camera isfogged up, damaged or obscured.
= If the traPc signs are hard to detect, e.g. due
to dirt, snow or insuPcient lighting, or
because they are obscured.
= If the information on the navigation system\bs
digital map is incorrect or out of date.
= If signs are ambiguous, e.g. road signs in road-
works or in adjacent lanes.
= If you turn sharply when passing traPc signs
outside the camera\bs Neld of vision.Driving and parking185

Page 188 of 438

MERCEDES-BENZ CLA 2023 Owners Manual q�S�e�t�t�i�n�g� �T�r�aP�c� �S�i�g�n� �A�s�s�i�s�t
�R�e�q�u�i�r�e�m�e�n�t�s�:� �= �O�n�l�y� �v�e�h�i�c�l�e�s� �w�i�t�h� �D�r�i�v�i�n�g� �A�s�s�i�s�t�a�n�c�e� �P�a�c�k�a�g�e�:
�A�c�t�i�v�e� �D�i�s�

Page 189 of 438

MERCEDES-BENZ CLA 2023 Owners Manual �E�x�a�m�p�l�e� �r�e�p�r�e�s�e�n�t�a�t�i�o�n� �i�n� �t�h�e� �I�n�s�t�r�u�m�e�n�t� �D�i�s�p�l�a�y
�1�T�r�aP�c� �l�i�g�h�t� �i�c�o�n� �a�n�d� �c�o�u�n�t�d�o�w�n� �o�f� �r�e�m�a�i�n�i�n�g
�t�i�m�e� �u�n

Example representation in the Instrument Display
1TraPc light icon and countdown of remaining
time until the next green phase time
The display is hidden about Nve seconds before
the traPc lights change to green.
\bThe display also goes out in the following
cases:
= When turning oM before the intersection
into a cross or side street
= When turning before the intersection\bThe direction arrows are displayed depending
on the following functions:
= A turn signal is set= A lane is recommended during active
route guidance
If neither function is active, the remaining time until the next green phase for the lane
straight ahead is displayed.\bUse of the traPc light information service
requires the regular transmission of vehicle
positions and driving directions to Mercedes-
Benz. The data is immediately anonymized by Mercedes-Benz and forwarded to the providerof the traPc light information service. The
vehicle positions and driving directions are
deleted aser a very short time (a few sec-
onds) and are not permanently saved.
If you do not want to transmit the vehicle
positions and driving directions, you have the following options:
= You deactivate the service in the
Mercedes me portal.
= You have the service deactivated at an
authorized Mercedes-Benz Center.= You deactivate the service in the Assis-
tance menu in the multimedia system
( page 188).\bThis traPc light information service is only
available in certain cities and regions.
The function is supported under the following con-
ditions:
= The vehicle is equipped with a multimedia sys-
tem featuring navigation and a communication
module with an activated, integrated SIM card.
= You have a user account for the Mercedes me
Portal.
= The vehicle has been connected with the user
account.
= The navigation services option is available,
subscribed to and activated in the Mercedes me Portal.
= The traPc light data service belongs to the
scope of the navigation services.
The current vehicle position and the direction of travel are transmitted via the communicationmodule and aligned with the data from the traPc
light data service provider. The provider gathers
Driving and parking187

Page 190 of 438

MERCEDES-BENZ CLA 2023 Owners Manual �d�a�t�a� �f�r�o�m� �t�r�aP�c� �l�i�g�h�t�s� �w�h�i�c�h� �t�r�a�n�s�m�i�t� �t�h�e�i�r� �c�h�a�n�g�-
�i�n�g� �p�h�a�s�e�s�.� �W�h�e�n� �t�h�e� �v�e�h�i�c�l�e� �a�p�p�r�o�a�c�h�e�s� �a�n� �i�n�t�e�r�-

data from traPc lights which transmit their chang-
ing phases. When the vehicle approaches an inter- section with networked traPc lights, data is trans-
mitted to the vehicle.
A set turn signal les or right and lane recommen-
dations during active route guidance are taken
into account for the display.
The service is for information purposes only and is
not linked to any other vehicle functions, systems or components. Please note that the displayed data is not available in all traPc areas and may be
incorrect.
Certain light signal systems automatically adapt
their switching times to the current traPc situa-
tion. This can lead to a sudden change in the
countdown display.
The information in the Instrument Display is shown aser selecting the display contents in the
Assistance menu. If another menu is selected, the
traPc light countdown is not displayed.
Also observe the following information:
= select a speed adapted to the traPc, sur-
roundings and weather conditions= Observe actual traPc signs
= Observe applicable traPc rules and regula-
tions
Please observe the notes on driving systems and your responsibility. You could otherwise fail to rec-ognize dangers.
System limits
The display does not appear in the following situa- tions, for example:
= There is no traPc light data available.
= The time remaining until the next green phase
is less than ten seconds.
= Emergency vehicles or local public transport
are located in the vicinity of the intersection.
= The data transmission from the vehicle has
been interrupted.
= The traPc light systems are located in a con-
struction site area or are undergoing mainte-
nance.
= The light signal system is malfunctioning.
= The subscription to the service has expired.Switching the traPc light information display on
or oM
Multimedia system:
4 © 5
Settings 5
Assistance
Switch Traffic Light Information on D or
oM E .
Blind Spot Assist and Active Blind Spot Assist with
exit warning
q Function of Blind Spot Assist and Active Blind
Spot Assist with exit warning
Blind Spot Assist and Active Blind Spot Assist use two lateral, rear-facing radar sensors to monitor the area up to 130 s (40 m) behind and 10 s
(3 m) next to your vehicle.
If a vehicle is detected at speeds above approx-
imately 8 mph (12 km/h) and this vehicle subse-
quently enters the monitoring range directly next
to your vehicle, the warning lamp in the outside mirror lights up red.
188Driving and parking

Page 191 of 438

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�= �¸ � � �(�g�r�a�y�)�:� �s�y�s�t�e�m� �i�s� �a�c�t�i�v�a�t�e�d� �b�u�t� �i�n�o�p�e�r�a�-
�t�i�v�e
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Status display:
= ¸ (gray): system is activated but inopera-
tive
= ¸ (green): system is activated and opera-
tional
If a vehicle is detected close to your vehicle and you switch on the turn signal indicator in the cor-responding direction, a double warning tone
sounds and the red warning lamp in the outside mirror Oashes. If the turn signal indicator remains
switched on, all other detected vehicles are indi-
cated only by the Oashing of the red warning
lamp.
If you overtake a vehicle quickly, no warning is given.&WARNING Risk of accident despite Active
Blind Spot Assist
Active Blind Spot Assist does not react to the
following:
= if you overtake a vehicle too closely so that
it is in the blind spot area
= if vehicles traveling at a much faster speed
approach and then overtake
Active Blind Spot Assist may not give warnings
or intervene in such situations.Always pay careful attention to the traPc
situation and maintain a safe distance at
the side of the vehicle.
Observe the notes on driving systems and your responsibility; you may otherwise fail to recognizedangers ( page 158).
Exit warning
The exit warning is an additional function of Blind Spot Assist and can warn vehicle occupants about approaching vehicles when leaving the vehicle
when stationary.
&WARNING Risk of accident despite exit
warning
The exit warning neither reacts to stationary
objects nor to persons or road users approaching you at a greatly diMering speed.
The exit warning cannot warn drivers in these
situations.Always pay particular attention to thetraPc situation when opening the doors
and make sure there is suPcient clear-
ance.
If there is a vehicle in the monitoring range, this is
indicated in the outside mirror. If a vehicle occu-
pant opens the door on the side with the warning, a warning tone sounds and the warning lamp in
the outside mirror starts to Oash.
This additional function is available only when
Blind Spot Assist is active. When the exit warning
is activated, it can warn vehicle occupants for up to three minutes aser switching the vehicle oM.
The exit warning is no longer available once the warning lamp in the outside mirror Oashes three
times.
The exit warning is only an aid and not a substi-
tute for the attention of vehicle occupants. The responsibility for opening and closing the doorsand for leaving the vehicle remains with the vehi- cle occupants.
Driving and parking189

Page 192 of 438

MERCEDES-BENZ CLA 2023 Owners Manual �S�y�s�t�e�m� �l�i�m�i�t�s
�B�l�i�n�d� �S�p�o�t� �A�s�s�i�s�t� �a�n�d� �A�c�t�i�v�e� �B�l�i�n�d� �S�p�o�t� �A�s�s�i�s�t� �m�a�y �b�e� �l�i�m�i�t�e�d� �i�n� �t�h�e� �f�o�l�l�o�w�i�n�g� �s�i�t�u�a�t�i�o

System limits
Blind Spot Assist and Active Blind Spot Assist may be limited in the following situations, in particular:
= if there is dirt on the sensors or the sensors
are obscured
= in poor visibility, e.g. due to fog, heavy rain or
snow
= if there are narrow vehicles, e.g. bicycles or
motorbikes
= if the road has very wide or narrow lanes
= if vehicles are not driving in the middle of their
lane
Warnings may be issued in error when driving
close to crash barriers or similar continuous lane borders. Always make sure that there is suPcient
distance to the side for other traPc or obstacles.
Warnings may be interrupted when you are driving
alongside long vehicles (e.g. trucks) for a pro- longed time.
Blind Spot Assist is not operational when reverse
gear is engaged.The exit warning may be limited in the following situations:
= when the sensors are covered by adjacent
vehicles in narrow parking spaces
= when people approach the vehicle
= in the event of stationary or slowly moving
objects
q Function of brake application (Active Blind Spot
Assist)
If Active Blind Spot Assist detects a risk of a side
impact in the monitoring range, a course-correct-
ing brake application is carried out. This is designed to help you avoid a collision.
The course-correcting brake application is availa- ble in the speed range between approximately20 mph (30 km/h) and 125 mph (200 km/h).&WARNING Risk of accident despite brake
application of Active Blind Spot Assist
A course-correcting brake application cannot
always prevent a collision.
Always steer, brake or accelerate your- self, especially if Active Blind Spot Assistwarns you or makes a course-correcting
brake application.Always maintain a safe distance at the
sides.
If a course-correcting brake application occurs, the red warning lamp Oashes in the outside mirror
and a warning tone sounds. In addition, display
1 indicating the danger of a side collision
appears in the Instrument Display.
In rare cases, the system may make an inappro-
priate brake application. This brake application
may be interrupted at any time if you steer slightly
in the opposite direction or accelerate.
190Driving and parking

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