lock MERCEDES-BENZ CLA 2019 Service Manual

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

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

Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
CRelease lever
DAdjusts the steering wheel height

Memory function
Important safety notes
GWARNING
If you use the memory function on the driver's
side while driving, you could lose control of
the vehicle as a result of the adjustments
being made. There is a risk of an accident.
Only use the memory function on the driver's
side when the vehicle is stationary.
GWARNING
When the memory function adjusts the seat,
you and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat. If somebody
becomes trapped, immediately release the
memory function position button. The adjust-
ment process is stopped.
GWARNING
Children could become trapped if they acti-
vate the memory function, particularly when
unattended. 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.
The memory function can be used at any time,e.g. even when the SmartKey is not in the igni-tion lock.
Storing settings
With the memory function, you can store up tothree different settings, e.g. for three differentpeople.
The following settings are stored as a singlememory preset:
RSeat and backrest position
RDriver's side: position of the exterior mirrorson the driver's and front-passenger sides
XAdjust the seat (Ypage 93).
XAdjust the exterior mirror on the driver's side(Ypage 97).
XBriefly press theMmemory button and thenpress preset position button1,2or3withinthree seconds.The settings are stored in the selected presetposition. A tone sounds when the settingshave been completed.
Calling up a stored setting
XPress and hold the relevant preset positionbutton1,2or3until the seat and exteriormirrors are in the stored position.
iThe setting procedure is interrupted as soonas you release the storage position button.
100Memory function
Seats, steering wheel and mirrors

take precedence over the daytime runninglamps.
USA only:
The daytime running lamps improve the visibilityof your vehicle during the day. To do this, thedaytime running lamps function must beswitched on using the on-board computer(Ypage 189).
If the engine is running and you turn the lightswitch to the`orXposition, the manualsettings take precedence over the daytime run-ning lamps.
Low-beam headlamps
Even if the light sensor does not detect that it isdark, the parking lamps and low-beam head-lamps switch on when the ignition is switched onand the light switch is set to theXposition.This is a particularly useful function in the eventof rain and fog.
XTo switch on the low-beam headlamps:turn the SmartKey to positionHin the igni-tion lock or start the engine.
XTurn the light switch toX.The greenXindicator lamp in the instru-ment cluster lights up.
Rear fog lamp
The rear fog lamp improves visibility of yourvehicle for the traffic behind in the event of thickfog. Please take note of the country-specificregulations for the use of rear fog lamps.
XTo switch on the rear fog lamp:turn theSmartKey in the ignition lock to positionHorstart the engine.
XTurn the light switch toXorX.
XPress the^button.The yellow^indicator lamp in the instru-ment cluster lights up.
XTo switch off the rear fog lamp:press the^button.The yellow^indicator lamp in the instru-ment cluster goes out.
iWhen the rear fog lamp is switched on, thecenter brake lamp in the tail lamp switches offdue to a legal requirement.
Parking lamps
!If the battery charge is very low, the parkinglamps or standing lamps are automaticallyswitched off to enable the next engine start.Always park your vehicle safely and in a well lit
area, in accordance with the relevant legalstipulations. Avoid using the`parkinglamps over a period of several hours. If pos-sible, switch on the right-handdor left-handcstanding lamps.
XTo switch on:turn the light switch to`.The green`indicator lamp in the instru-ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures thecorresponding side of the vehicle is illuminated.
XTo switch on the standing lamps:theSmartKey is not in the ignition lock or it is inpositionZin the ignition lock.
XTurn the light switch toc(left-hand side ofthe vehicle) ord(right-hand side of thevehicle).
Combination switch
XTo indicate briefly:press the combinationswitch briefly to the pressure point in thedirection of arrowDor

Interior lighting control
General notes
In order to prevent the vehicle's battery fromdischarging, the interior lighting functions areautomatically deactivated after some timeexcept when the SmartKey is in positionHinthe ignition lock.
The color and brightness of the ambient lightingare set via the multimedia system (see DigitalOperator's Manual).
Automatic interior lighting control
XTo switch on:set the switch to center posi-tion