roof MERCEDES-BENZ CLA 2019 User Guide

You can thus avoid the risks that could arise asa result of:
Ran incorrectly categorized person in the front-passenger seat
Rthe unintentional deactivation of the front-passenger front air bag
Rthe unsuitable positioning of the childrestraint system, e.g. too close to the dash-board
Rearward-facing child restraint system
If it is absolutely necessary to install a rearward-facing child restraint system on the front-passenger seat, always make sure that thefront-passenger front air bag is deactivated.Only if the PASSENGER AIR BAG OFF indicatorlamp is permanently lit (Ypage 41) is the front-passenger front air bag deactivated.
Always observe the child restraint system man-ufacturer's installation and operating instruc-tions.
Forward-facing child restraint system
If it is absolutely necessary to install a forward-facing child restraint system on the front-passenger seat, always move the front-passenger seat as far back as possible. Fullyretract the seat cushion length. The entire baseof the child restraint system must always rest onthe seat cushion of the front-passenger seat.The backrest of the child restraint system mustlie as flat as possible against the backrest of thefront-passenger seat. The child restraint systemmust not touch the roof or be subjected to a loadby the head restraint. Adjust the angle of theseat backrest and the head restraint positionaccordingly. Always make sure that the shoul-der belt strap is correctly routed from the vehi-cle belt outlet to the shoulder belt guide on thechild restraint system. The shoulder belt strapmust be routed forward and down from the vehi-cle belt outlet. If necessary, adjust the vehiclebelt outlet and the front-passenger seat accord-ingly.
Always observe the child restraint system man-ufacturer's installation and operating instruc-tions.
Child-proof locks
Important safety notes
GWARNING
If children are traveling in the vehicle, they
could:
Ropen doors, thus endangering other people
or road users
Rexit the vehicle and be caught by oncoming
traffic
Roperate vehicle equipment and become
trapped
There is a risk of an accident and injury.
Always activate the child-proof locks and
override feature if children are traveling in the
vehicle. When leaving the vehicle, always take
the key with you and lock the vehicle. Never
leave children unattended in the vehicle.
Override feature for:
Rthe rear doors (Ypage 60)
Rthe rear side windows (Ypage 60)
GWARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking positionP.
Rstart the engine.
In addition, they may operate vehicle equip-
ment and become trapped. There is a risk of
an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
Children in the vehicle59
Safety
Z

GWARNING
If the child restraint system is subjected to
direct sunlight, parts may get very hot. Chil-
dren may burn themselves on these parts,
particularly on the metal parts of the child
restraint system. There is a risk of injury.
If you leave the vehicle, taking the child with
you, always ensure that the child restraint
system is not exposed to direct sunlight. Pro-
tect it with a blanket, for example. If the child
restraint system has been exposed to direct
sunlight, let it cool down before securing the
child in it. Never leave children unattended in
the vehicle.
Child-proof locks for the rear doors
You secure each door individually with the child-proof locks on the rear doors. A door securedwith a child-proof lock cannot be opened frominside the vehicle. When the vehicle is unlocked,the door can be opened from the outside.
XTo activate:press the child-proof lock leverup in the direction of arrowC.
XMake sure that the child-proof locks are work-ing properly.
XTo deactivate:press the child-proof locklever down in the direction of arrowD.
Override feature for the rear side win-
dows
XTo activate/deactivate:press buttonC.If indicator lampDis lit, operation of the rearside windows is disabled. Operation is onlypossible using the switches in the driver'sdoor. If indicator lampDis off, operation ispossible using the switches in the rear com-partment.
Pets in the vehicle
GWARNING
If you leave animals unsupervised or unse-
cured in the vehicle, they may press buttons
or switches, for instance.
In this way, animals may:
Ractivate vehicle equipment and become
trapped, for example
Rswitch systems on or off and thereby
endanger other road users
Furthermore, unsecured animals may be flung
around inside the vehicle in the event of an
accident or abrupt steering or braking maneu-
ver, and thereby injure vehicle occupants.
There is a risk of accident and injury.
Never leave animals unattended in the vehi-
cle.
Always secure animals properly when driving,
for instance with a suitable pet carrier.
60Pets in the vehicle
Safety

Doors
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.
You should preferably place luggage or loads inthe cargo compartment. Observe the loadingguidelines (Ypage 239).
Unlocking and opening doors from
the inside
!The side windows will not open/close if thebattery is discharged or if the side windowshave iced up. It will then not be possible toclose the door. Do not attempt to force thedoor closed. You could otherwise damage thedoor or the side window.
When a door is opened, the side window on thatside opens slightly. When the door is closed, theside window closes again.
XTo unlock and open a front door:pull doorhandleD.If the door is locked, locking knobCpops up.The door is unlocked and opens.
XTo unlock a rear door:pull up lockingknobC.The door is unlocked and can be opened.
XTo open a rear door:pull door handleD.
You can open a door from inside the vehicleeven if it has been locked. You can only open therear doors from inside the vehicle if they are notsecured by the child-proof locks (Ypage 60).
If the vehicle has previously been locked withthe SmartKey from the outside, opening a doorfrom the inside will trigger the anti-theft alarmsystem. Switch off the alarm (Ypage 68).
Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle fromthe inside. This can be useful if you wish to lockthe vehicle before pulling away, for example.
XTo unlock:press buttonC.
XTo lock:press buttonD.If all the doors and the trunk lid are closed, thevehicle locks.
76Doors
Opening and closing

Meanwhile, the fuel filler flap will not be lockedor unlocked.
You cannot unlock the vehicle centrally from theinside if the vehicle has been locked with theSmartKey or KEYLESS-GO.
You can open a door from inside the vehicleeven if it has been locked. You can open the reardoors from inside the vehicle unless they aresecured by the child-proof lock (Ypage 60).
If the vehicle has previously been locked withthe SmartKey from the outside, opening a doorfrom the inside will trigger the anti-theft alarmsystem. Switch off the alarm (Ypage 68).
If a locked door is opened from the inside, theprevious unlock status of the vehicle will betaken into consideration if:
Rthe vehicle was locked using the locking but-ton for the central locking, or
Rif the vehicle was locked automatically
The vehicle will be fully unlocked if it had previ-ously been fully unlocked. If only the driver'sdoor had been previously unlocked, only thedoor which has been opened from the inside isunlocked.
Automatic locking feature
XTo deactivate:press and hold buttonCforapproximately five seconds until a tonesounds.
XTo activate:press and hold buttonDforapproximately five seconds until a tonesounds.
If you press one of the two buttons and do nothear a tone, the relevant setting has alreadybeen selected.
The vehicle is locked automatically when theignition is switched on and the wheels are turn-ing.
You could therefore lock yourself out if:
Rthe vehicle is being pushed
Rthe vehicle is being towed
Rthe vehicle is on a roller dynamometer
You can also switch the automatic locking func-tion on and off using the on-board computer(Ypage 189).
Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be locked orunlocked with the SmartKey or KEYLESS-GO,use the mechanical key.
If you use the mechanical key to unlock andopen the driver's door, the anti-theft alarm sys-tem will be triggered. Switch off the alarm(Ypage 68).
XTake the mechanical key out of the SmartKey(Ypage 72).
XInsert the mechanical key into the lock of thedriver's door as far as it will go.
XTurn the mechanical key counter-clockwiseas far as it will go to positionG.The door is unlocked.
XTurn the mechanical key back and remove it.
XInsert mechanical key into the SmartKey(Ypage 72).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with theSmartKey or KEYLESS-GO, use the mechanicalkey.
XOpen the driver's door.
XClose the front-passenger door, the reardoors and the trunk lid.
Doors77
Opening and closing
Z

The SmartKey can also be used to carry out thefollowing functions simultaneously:
Runlock the vehicle
Ropen the side windows
Ropen the panorama roof with power tilt/slid-ing panel and the roller sunblind
The convenience opening feature can only beoperated using the SmartKey.
The "convenience opening" feature is also avail-able when the vehicle is unlocked.
XPress and hold the6button until the sidewindows and the panorama sunroof are in thedesired position.If the roller sunblind of the panorama roofwith power tilt/sliding panel is closed, theroller sunblind is opened first.
XPress and hold the6button once moreuntil the panorama roof with power tilt/slid-ing panel reaches the desired position.
XTo interrupt convenience opening:releasethe6button.
Convenience closing feature
Important safety notes
GWARNING
When the convenience closing feature is oper-
ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
Vehicles with KEYLESS-GO or KEYLESS-GOstart function:you can do the following at thesame time:
Rlock the vehicle
Rclose the side windows
Rclose the panorama roof with power tilt/slid-ing panel
On vehicles with a panorama roof with powertilt/sliding panel, you can then close the rollersunblind.
iNotes on the automatic reversing featurefor:
RThe side window (Ypage 83)
RThe panorama roof with power tilt/slidingpanel (Ypage 87)
RThe roller sunblind (Ypage 88)
Using the SmartKey
XVehicles with KEYLESS-GO or KEYLESS-GO start function:for the following opera-tions, point the tip of the SmartKey at thehandle on the driver's door. The SmartKeymust be close to the driver's door handle.
iVehicles with KEYLESS-GO or KEYLESS-GO start function:the SmartKey must be inclose proximity to the vehicle.
XPress and hold the7button until the sidewindows and the panorama sliding sunroofare fully closed.
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:
XPress and hold the7button again until theroller sunblind of the panorama sliding sun-roof closes.
XTo interrupt convenience closing:releasethe7button.
Using KEYLESS-GO
The driver's door and the door at which the han-dle is used, must both be closed. The SmartKeymust be outside the vehicle. The gap betweenthe SmartKey and the corresponding door han-dle should not be greater than 3 ft (1 m).
84Side windows
Opening and closing

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

!If the sliding sunroof still cannot be opened or closed as a result of a malfunction, contact aqualified specialist workshop.
ProblemPossible causes/consequences andPPSolutions
The panorama roof withpower tilt/sliding panelcannot be closed andyou cannot see thecause.
If the panorama roof with power tilt/sliding panel is obstructed duringclosing and reopens again slightly:
XImmediately after it blocks, pull theWswitch down again to thepoint of resistance until the panorama roof with power tilt/slidingpanel is closed.The panorama roof with power tilt/sliding panel is closed with moreforce.
If the panorama roof with power tilt/sliding panel is obstructed againduring closing and reopens again slightly:
XImmediately after it blocks, pull theWswitch down again to thepoint of resistance until the panorama roof with power tilt/slidingpanel is closed.The panorama roof with power tilt/sliding panel is closed withoutthe automatic reversing feature.
The panorama roof withpower tilt/sliding panelcannot be opened orclosed using the conve-nience opening/closingfeature.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 73) and replace it if necessary(Ypage 73).
90Panorama roof with power tilt/sliding panel
Opening and closing