2019 MERCEDES-BENZ CLA warning light

GWARNING
If children operate the side windows they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
Activate the override feature for the rear side
windows. When leaving the vehicle, always
take the SmartKey with you and lock the vehi-
cle. Never leave children unsupervised in the
vehicle.
Side window reversing feature
The side windows are equipped with an auto-matic reversing feature. If a solid object blocksor restricts a side window from travelingupwards during the automatic closing process,the side window opens again automatically. Dur-ing the manual closing process, the side windowonly opens again automatically after the corre-sponding switch is released. The automaticreversing feature is only an aid and does notrelieve you of the responsibility of paying atten-tion when closing a side window.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rwhile adjusting
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press theb
button to open the side window again.
Opening and closing the side win-
dows
The switches for all side windows are located onthe driver's door. There is also a switch on eachdoor for the corresponding side window.
The switches on the driver's door take prece-dence.
CFront left
DFront right

XTouch recessed sensor surfaceCon thedoor handle until the side windows and thepanorama roof with power tilt/sliding panelare fully closed.
iMake sure you only touch recessed sensorsurfaceC.
XMake sure that all the side windows areclosed.
XMake sure that all the side windows and thepanorama roof with power tilt/sliding panelare closed.
On vehicles with a panorama roof with powertilt/sliding panel:
XTouch recessed sensor surfaceCon thedoor handle again until the roller sunblind ofthe panorama roof with power tilt/slidingpanel closes.
XTo interrupt convenience closing:releaserecessed sensor surfaceCon the door han-dle.
Resetting the side windows
If a side window can no longer be closed fully,you must reset it.
XClose all the doors.
XTurn the SmartKey to positionGorHin theignition lock (Ypage 123).
XPull the corresponding switch on the doorcontrol panel until the side window is com-pletely closed (Ypage 83).
XHold the switch for an additional second.
If the side window opens again slightly:
XImmediately pull the corresponding switch onthe door control panel until the side window iscompletely closed (Ypage 83).
XHold the switch for an additional second.
XIf the respective side window remains closedafter the button is released, then it has beenset correctly. If this is not the case, repeat thesteps above.
Problems with the side windows
GWARNING
If you close a side window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing feature is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury or
even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, release
the switch or push the switch again to reopen the side window.
Side windows85
Opening and closing
Z

ProblemPossible causes/consequences andPPSolutions
A side window cannot beclosed because it isblocked by objects, e.g.leaves in the windowguide.
XRemove the objects.
XClose the side window.
A side window cannot beclosed and you cannotsee the cause.
If a side window is obstructed during closing and reopens againslightly:
XImmediately after the window blocks, pull the corresponding switchagain until the side window has closed.The side window is closed with increased force.
If a side window is obstructed again during closing and reopens againslightly:
XImmediately after the window blocks, pull the corresponding switchagain until the side window has closed.The side window is closed without the automatic reversing feature.
The side windows cannotbe opened or closedusing the convenienceopening/closing fea-ture.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 73) and replace it if necessary(Ypage 73).
Panorama roof with power tilt/sliding
panel
Important safety notes
In the following section, the term "sliding sun-roof" refers to the panorama roof with powertilt/sliding panel.
GWARNING
While opening and closing the sliding sunroof,
body parts in close proximity could become
trapped. There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro-
cedures.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rduring automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
GWARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
At high speeds the raised sliding sunroof auto-
matically lowers slightly at the rear. This could
trap you or other persons. There is a risk of
injury. Make sure that nobody reaches into
the sweep of the sliding sunroof whilst the
vehicle is in motion.
If somebody becomes trapped, immediately
pull back the sliding sunroof switch. The slid-
ing sunroof lifts during opening.
!Only open the sliding sunroof if it is free ofsnow and ice. Otherwise, malfunctions mayoccur.
86Panorama roof with power tilt/sliding panel
Opening and closing

Do not allow anything to protrude from thesliding sunroof. Otherwise, the seals could bedamaged.
!The weather can change abruptly. It couldstart to rain or snow. Make sure that the slid-ing sunroof is closed when you leave the vehi-cle. The vehicle electronics can be damaged ifwater enters the vehicle interior.
iResonance noises can occur in addition tothe usual airflow noises when the sliding sun-roof is open. They are caused by minor pres-sure fluctuations in the vehicle interior.Change the position of the sliding sunroof oropen a side window slightly to reduce or elim-inate these noises.
Sliding sunroof reversing feature
In the following section, the term "sliding sun-roof" refers to the panorama roof with powertilt/sliding panel.
The sliding sunroof is equipped with an auto-matic reversing feature. If a solid object blocksor restricts the sliding sunroof during the closingprocess, the sliding sunroof opens again auto-matically. However, the automatic reversingfeature is only an aid and does not relieve you ofthe responsibility of paying attention when clos-ing the sliding sunroof.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rover the last 1/6 in (4 mm) of the closing
movement
Rduring resetting
Rwhen closing the sliding sunroof again man-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rpress the switch in any direction during the
automatic closing process
The closing process is stopped.
GWARNING
If you close the sliding sunroof again immedi-
ately after it has been blocked or reset, the
sliding sunroof closes with increased force.
Parts of the body could be trapped in the clos-
ing area in the process. There is a risk of injury
or becoming trapped.
Make sure that no parts of the body are in the
closing area.
If somebody becomes trapped:
Rrelease the button immediately, or
Rbriefly push the button in any direction dur-
ing automatic closing.
The closing process is stopped.
Operating the panorama roof with
power tilt/sliding panel
Opening and closing
CTo raise
DTo open

automatic operation by pressing/pulling theswitch again.
After opening the sliding sunroof, the roller sun-blind closes slightly automatically. This reducesdrafts in the vehicle interior.
If the sliding sunroof is raised at the rear, it low-ers slightly automatically at higher speeds. Thenoise level in the vehicle interior is reduced as aresult.
At low speeds it raises again automatically.
You can also temporarily deactivate automaticlowering. To do so, press theWswitch. Thesliding sunroof raises again automatically.
You can continue to operate the sliding sunroofafter switching off the engine or removing theSmartKey from the ignition lock. This functionremains active for five minutes or until you opena front door.
The sliding sunroof cannot be opened if a roofcarrier is installed. In order to allow ventilationof the vehicle interior, you can raise the slidingsunroof.
If contact is made with a roof carrier approvedby Mercedes-Benz, the sliding sunroof lowersslightly but remains raised at the rear.
Rain-closing feature
The rain-closing feature is only available for vehi-cles with a rain sensor.
When the SmartKey is in positionZin the igni-tion lock or is removed, the sliding sunroofcloses automatically:
Rif it starts to rain.
Rat extreme outside temperatures.
Rafter six hours.
Rif there is a malfunction in the power supply.
The panorama roof with power tilt/sliding panelremains raised at the rear in order to allow ven-tilation of the vehicle interior.
If the panorama roof with power tilt/slidingpanel is obstructed while being closed by therain-closing feature, it opens again slightly. Therain-closing feature is then deactivated.
The panorama roof with power tilt/sliding paneldoes not close if:
Rit is raised at the rear.
Rit is blocked.
Rno rain is falling on the area of the windshieldbeing monitored by the rain sensor. If thevehicle, for example, is under a bridge or in a
carport, the field of the sensor may be cov-ered.
Operating the roller sunblind for the
panorama roof with power tilt/sliding
panel
Important safety notes
GWARNING
Parts of the body could become trapped
between the roller sunblind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is a risk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the roller sun-
blind.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rduring automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
The roller sunblind shields the vehicle interiorfrom sunlight. The roller sunblind can only beopened and closed when the panorama roofwith power tilt/sliding panel is closed.
Roller sunblind reversing feature
The roller sunblind is equipped with an auto-matic reversing feature. If a solid object blocksor restricts the roller sunblind during the closingprocess, the roller sunblind opens again auto-matically. The automatic reversing feature isonly an aid and is not a substitute for your atten-tiveness when closing the roller sunblind.
GWARNING
The reversing feature does not react:
Rto soft, light and thin objects, e.g. small fin-
gers
Rwhen closing the roller sunblind again man-
ually immediately after automatic reversal
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
88Panorama roof with power tilt/sliding panel
Opening and closing

The three red indicator lamps in the button indi-cate the heating level you have selected.
The system automatically switches down fromlevel3to level2after approximately eightminutes.
The system automatically switches down fromlevel2to level1after approximately tenminutes.
The system automatically switches off approx-imately 20 minutes after it is set to level1.
XTurn the SmartKey to positionGorHin theignition lock (Ypage 123).
XTo switch on:press buttonCrepeatedlyuntil the desired heating level is set.
XTo switch off:press buttonCrepeatedlyuntil all the indicator lamps go out.
iIf the battery voltage is too low, the seatheating may switch off.
Problems with the seat heating
ProblemPossible causes/consequences andPPSolutions
The seat heating hasswitched off prematurelyor cannot be switchedon.
The on-board voltage is too low because too many electrical consum-ers are switched on.
XSwitch off electrical consumers that you do not need, such as therear window defroster or interior lighting.Once the battery is sufficiently charged, the seat heating will switchback on automatically.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do
the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt
before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
Never leave children unsupervised in the vehi-
cle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also applies for the Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
Adjusting the steering wheel
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
96Steering wheel
Seats, steering wheel and mirrors

iIf you activate the residual heat function athigh temperatures, only the ventilation will beactivated. The blower runs at medium speed.
iYou cannot use the ventilation to cool thevehicle interior to a temperature lower thanthe outside temperature.
Activating/deactivating
XTurn the SmartKey to positionZin the igni-tion lock or remove it (Ypage 123).
XPress theKbutton.The indicator lamp in theKbutton lightsup or goes out.
The indicator lamp in the button indicates thatthe respective function is activated.
iResidual heat is deactivated automatically:
Rafter approximately 30 minutes
Rwhen the ignition is switched on
Rif the battery voltage drops
Air vents
Important safety notes
GWARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh airthrough the air vents into the vehicle interior,please observe the following notes:
Rkeep the air inlet between the windshield andthe hood free of blockages, such as ice, snowor leaves.
Rnever cover the air vents or air intake grilles inthe vehicle interior.
iFor optimal climate control in the vehicle,open the air vents completely and set theadjusters to the central position.
Setting the air vents
CSide window defroster vent
DSide air vent
XTo open a side air vent:turn the adjuster inside air ventDto the left.
XTo close a side air vent:turn the adjuster inside air ventDclockwise as far as it will go.
iThe center and rear air vents are adjusted inthe same way.
Air vents121
Climate control
Z

Key positions with the Start/Stop button
CStart/Stop button
DIgnition lock
As soon as the ignition is switched on, all theindicator lamps in the instrument cluster lightup.
For further information on situations in which anindicator lamp either fails to go out after theengine is started or lights up while driving,please refer to "Warning and indicator lamps inthe instrument cluster" (Ypage 221).
If Start/Stop buttonChas not yet beenpressed, this is the same as the SmartKey beingremoved from the ignition.
XTo switch on the power supply:pressStart/Stop buttonConce.The power supply is switched on. You can nowactivate the windshield wipers, for example.
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop buttonCtwice when inthis position
XTo switch on the ignition:press Start/StopbuttonCtwice.The ignition is switched on.
If you press Start/Stop buttonConce whenin this position, the ignition is switched offagain.
Removing the Start/Stop button
You can remove the Start/Stop button from theignition lock and start the vehicle as normalusing the SmartKey.
You can only switch between Start/Stop buttonmode and SmartKey operation when the vehicleis stationary.
You must also engage park position].
XRemove Start/Stop buttonCfrom ignitionlockD.
You do not have to remove the Start/Stop but-ton from the ignition lock when you leave thevehicle. You should, however, always take theSmartKey with you when leaving the vehicle. Aslong as the SmartKey is in the vehicle:
Rthe vehicle can be started using the Start/Stop button
Rthe electrically powered equipment can beoperated
Starting the engine
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Roperate the vehicle's equipment
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake
Rshift the automatic transmission out of park
position]
Rstart the engine
There is a risk of an accident and injury.
Never leave children or animals unattended in
the vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also applies for the Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
GDANGER
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases is hazardous to health
and can result in poisoning. There is a risk of
fatal injury. Therefore, never leave the engine
running in an enclosed space without ade-
quate ventilation.
124Driving
Driving and pa rking