light MERCEDES-BENZ CLA 2018 Owner's Guide

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Problem
Possible causes/consequences and P Solutions
As ide window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects. X
Close the side window.
As ide window cannot be
closed and you cannot
see the cause. If as ide window is obstructed during closing and reopens again
slightly: X
Immediately after the window blocks, pull the correspondin gs witch
again until the side window has closed.
The side window is closed with increased force.
If as ide window is obstructed again during closing and reopens again
slightly: X
Immediately after the window blocks, pull the correspondin gs witch
again until the side window has closed.
The side window is closed without the automatic reversing feature.
Panoram ar oof with power tilt/sliding
panel
Important safety notes In the following section, the term "sliding sun-
roof" refers to the panorama roof with power
tilt/sliding panel.
G WARNING
While opening and closing the sliding sunroof,
body parts in close proximity could become
trapped. There is ar isk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro-
cedures.
If somebody becomes trapped: R
release the switch immediately, or R
during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped.
G WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are
left unsupervised. There is ar isk of injury. When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
G WARNING
At high speeds the raised sliding sunroof auto-
matically lowers slightly at the rear. This could
trap you or other persons. There is ar isk 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 of
snow and ice. Otherwise, malfunctions may
occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could be
damaged.
! The weather can change abruptly. It could
start 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 if
water enters the vehicle interior.
i Resonance noises can occur in addition to
the usual airflow noises when the sliding sun-
roof is open. They are caused by minor pres-Panoram ar oof with power tilt/sliding panel 85
Opening and closing Z

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sure fluctuations in the vehicle interior.
Change the position of the sliding sunroof or
open as ide 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 power
tilt/sliding panel.
The sliding sunroof is equipped with an auto-
matic reversing feature. If as olid object blocks
or restrict st he sliding sunroof during the closing
process, the sliding sunroof opens agai na uto-
matically .H owever, the automatic reversing
feature is only an aid and does not relieve you of
the responsibility of paying attention when clos-
ing the sliding sunroof.
G WARNING
The reversing feature does not react: R
to soft, light and thin objects, e.g. small fin-
gers R
over the last 1/6 in (4 mm) of the closing
movement R
during resetting R
when closing the sliding sunroof agai nm an-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is ar isk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped: R
release the switch immediately ,o rR
press the switch in any direction during the
automatic closing process
The closing process is stopped. Operating the panoram ar oof with
power tilt/sliding panel
Opening and closing
C
To raise D
To open

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If contact is made with ar oof carrier approved
by Mercedes-Benz, the sliding sunroof lowers
slightly but remains raise datt he rear.
Rain-closing feature The rain-closing feature is only available for vehi-
cles with ar ain sensor.
When the SmartKey is in position Z in the igni-
tion lock or is removed, the sliding sunroof
closes automatically: R
if it starts to rain. R
at extreme outsid et emperatures.R
after six hours. R
if there is am alfunction in the powe rs upply.
The panorama roof with powe rt ilt/sliding panel
remains raise datt he rear in order to allow ven-
tilation of the vehicle interior.
If the panorama roof with powe rt ilt/sliding
panel is obstructed whil eb eing closed by the
rain-closing feature, it opens again slightly. The
rain-closing feature is then deactivated.
The panorama roof with powe rt ilt/sliding panel
does not close if: R
it is raise datt he rear.R
it is blocked. R
no rain is falling on the area of the windshield
being monitored by the rain sensor. If the
vehicle ,f or example ,isu nder ab ridge or in a
carport, the field of the sensor may be cov-
ered.
Operating the rolle rs unblind for the
panorama roof with powe rt ilt/sliding
panel
Important safety notes
G WARNING
Parts of the body could become trapped
betwee nt he rolle rs unblind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is ar isk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the rolle rs un-
blind. If somebod yb ecomes trapped: R
release the switch immediately ,o rR
during automatic operation, push the
switch briefl yina ny direction
The opening or closing procedure wil lbes top-
ped.
The rolle rs unblind shields the vehicle interior
from sunlight. The rolle rs unblind can only be
opened and closed when the panorama roof
with powe rt ilt/sliding panel is closed.
Rolle rs unblind reversin gf eatureThe rolle rs unblind is equipped with an auto-
matic reversing feature. If as olid object blocks
or restricts the rolle rs unblind during the closing
process, the rolle rs unblind opens again auto-
matically. The automatic reversing feature is
only an aid and is not as ubstitute for you ra tten-
tiveness when closing the rolle rs unblind.
G WARNING
The reversing feature does not react: R
to soft, ligh ta nd thin objects, e.g. small fin-
gers R
when closing the rolle rs unblind again man-
ually immediately after automatic reversal
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is ar isk of injury.
When closing the rolle rs unblind, make sure
that no body parts are in the sweep area.
If somebod yb ecomes trapped: R
release the switch immediately ,o rR
press the switch in any direction during the
automatic closing process
The closing process is stopped.Panorama roof with powe rt ilt/sliding panel 87
Opening and closing Z

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Problems with the panorama roof with power tilt/sliding panel
G WARNING
If you do not reset the sliding sunroof after am alfunction or voltage supply interruption, then the
backing up function will malfunction or not work. The sliding sunroof closes with increased or
maximum force. 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.
In such or similar situations always make sure that no parts of the body are in the closing area.
Always reset the sliding sunroof after am alfunction or voltage supply interruption.
! If the sliding sunroof still cannot be opened or closed as ar esult of am alfunction ,c ontact a
qualified specialist workshop.
Problem
Possible causes/consequences and P Solutions
The panorama roof with
power tilt/sliding panel
cannot be closed and
you cannot see the
cause. If the panorama roof with power tilt/sliding panel is obstructed during
closing and reopens again slightly: X
Immediately after it blocks, pull the W switch down again to the
point of resistance until the panorama roof with power tilt/sliding
panel is closed.
The panorama roof with power tilt/sliding panel is closed with more
force.
If the panorama roof with power tilt/sliding panel is obstructed again
during closing and reopens again slightly: X
Immediately after it blocks, pull the W switch down again to the
point of resistance until the panorama roof with power tilt/sliding
panel is closed.
The panorama roof with power tilt/sliding panel is closed without
the automatic reversing feature.Panoram ar oof with power tilt/sliding panel 89
Opening and closing Z

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Problems with the seat heating Problem
Possible causes/consequences and P Solutions
The seat heating has
switched off prematurely
or cannot be switched
on. The on-board voltage is too low because too many electrical consum-
ers are switched on. X
Switch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating will switch
back on automatically.
Steering wheel
Important safety notes
G WARNING
You could lose control of your vehicle if you do
the following while driving: R
adjust the driver's seat, head restraint,
steering wheel or mirrors R
fasten the seat belt
There is ar isk of an accident.
Adjust the driver's seat, head restraint ,s teer-
ing wheel and mirror and fasten your seat belt
before startin gt he engine.
G WARNING
Children could injure themselves if they
adjust the steering wheel. There is ar isk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
Adjusting the steering wheel
G WARNING
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 ar isk of an
accident.
Before startin go ff, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion. C
Release lever D
Adjust st he steering wheel height

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Mirrors
Rear-view mirror X
Anti-glare mode: flick anti-glare lever C for-
wards or back.
Exterior mirrors
Adjusting the exterior mirrors
G WARNING
You coul dl ose control of you rv ehicl eify ou do
the following while driving: R
adjust the driver's seat, hea dr estraint,
steering whee lorm irrorsR
fasten the seat belt
There is ar isk of an accident.
Adjust the driver's seat, hea dr estraint, steer-
ing whee la nd mirror and fasten you rs eat belt
before starting the engine.
G WARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you coul dm isjudge the dis-
tance from road users traveling behind, e.g.
when changing lane .T here is ar isk of an acci-
dent.
For this reason, alway sm ake sure of the
actua ld istance from the road users traveling
behind by glancing over you rs houlder. X
Turn the SmartKey to position G or H in the
ignitio nl ock ( Y
pag e1 22).X
Exterior mirror on the front-passenger side:
press button D .
Exterior mirror on the driver's side :p ress but-
ton C .
The indicator lamp in the corresponding but-
ton lights up in red.
The indicator lamp goes out again after some
time. You can adjust the selected exterior
mirror using button

Page 100 of 326

The rear-view mirror and the exterior mirror on
the driver's side automatically go into anti-glare
mode if: R
the ignition is switched on and R
incident light from headlamps strikes the sen-
sor in the rear-view mirror
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior lighting
is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking position You can set the front-passenger side exterior
mirror such that you can see the rear wheel on
that side as soon as you engage reverse gear.
You can store this position.
C
Button for the driver's side exterior mirrorD
Button for the front-passenger side exterior
mirror

Page 102 of 326

Exterio rl ighting
General notes For reason sofs afety, Mercedes-Ben zr ecom-
mends that you driv ew ith th el ight ss witched on
even durin gt he daytime. In som ec ountries,
operatio noft he headlamps varies due to legal
requirement sa nd self-impose do bligations.
Settin gt he exterio rl ighting
Settin go ptionsExterior lighting can be set usin gt he :R
light switch R
combinatio ns witch ( Y
page 101)R
on-board compute r( Y
page 187)
Light switch
Operation
G c
Left-han ds ta nding lampsH d
Right-hand standing lampsI `
Parking lamps ,l icens ep lat ea nd
instrumen tc luste rl ightingJ X
Automatic headlam pm ode, controlled
by th el ight sensor
K X
Low-beam/high-beam headlamps

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take precedence ove rt he daytime running
lamps.
US Ao nly:
The daytime running lamps improve the visibility
of your vehicl ed ur in gt he day. To do this, the
daytime running lamps functio nm us tb e
switched on using the on-board computer
( Y
page 187).
If the engine is running and yo ut ur nt he light
switch to the ` or X position, the manual
setting st ake precedence ove rt he daytime run-
ning lamps.
Low-beam headlamps Even if the light senso rd oe sn ot detect tha titi s
dark, the parking lamps and low-bea mh ead-
lamps switch on when the ignition is switched on
and the light switch is se ttot he X position.
Thi sisa particularly usefu lf un ctio nint he event
of rain and fog. X
To switc ho nt he low-beam headlamps:
tur nt he SmartKe ytop osit ion H in the igni-
tio nl oc kors tart the engine.X
Turn the light switch to X .
The green X indicator lamp in the instru-
ment cluste rl ig hts up.
Rea rf og lampThe rea rf og lamp improves visibility of your
vehicl ef or the traffi cb ehin dint he event of thick
fog .P leas et ake note of the country-specific
regulations for the us eofr ea rf og lamps.X
To switc ho nt he rear fo gl amp: tur nt he
SmartKe yint he ignition lock to position H or
s tart
the engine.X
Turn the light switch to X or X .X
Press the ^ button.
The yellow ^ indicator lamp in the instru-
ment cluste rl ig hts up.X
To switc ho ff the rear fo gl amp: press the
^ button.
The yellow ^ indicator lamp in the instru-
ment cluste rg oe so ut .
i When the rea rf og lamp is switched on, the
cente rb rake lamp in the tai ll am ps wi tches off
du etoal egal requirement.
Parkin gl amps
! If the battery charge is ver yl ow ,t he parking
lamps or standing lamps ar ea ut omatically
switched off to enabl et he next engine start.
Alway sp ar ky ou rv ehicl es af el ya nd in aw el ll it area ,ina ccordance with the relevant legal
stipulations. Avoi du si ng the ` parking
lamps ove rap er io dofs ev eral hours. If pos-
sible, switch on the right-hand d or left-
hand c standing lamps. X
To switc ho n: tur nt he light switch to ` .
Th eg reen ` indicator lamp in the instru-
ment cluste rl ig hts up.
Standin gl ampsSwitching on the standing lamps ensures the
corresponding side of the vehicl eisi llumin ated.X
To switc ho nt he standin gl amps: the
SmartKe yisn ot in the ignition lock or it is in
position Z in the ignition lock. X
Turn the light switch to c (left-hand side of
the vehi cle) or d (
right-hand side of the
vehicle).
Combination switch
X
To indicate briefly: press the combination
switch briefl ytot he pressure point in the
directio nofa rr ow D or

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Switching Adaptive Highbeam Assist
on/off X
To switch on: turn the light switch to X .X
Press the combination switch beyond the
pressure point in the direction of arrow C .
The

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