MERCEDES-BENZ CLA 2018 Owners Manual

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

Correct driver's seat position
G WARNING
You coul dl ose control of your vehicle if you do
th ef ollowin gw hile driving:R
adjust th ed river' ss eat ,h ead restraint,
steering wheel or mirrors R
fasten th es eat belt
Ther eisar is kofana ccident.
Adjust th ed river' ss eat ,h ead restraint ,s te er-
ing wheel and mirror and fasten your seat belt
before starting th ee ng ine.
Observ et he followin gw hen adjusting steering
wheel C ,s eat belt D and driver' ss eat

motion. This could cause you to lose control of
the vehicle. There is ar isk of an accident.
Always make sure that the driver' ss eat is
engage db efore starting the vehicle.
G WARNING
You could lose control of you rv ehicl eify ou do
the following while driving: R
adjust the driver' ss eat, head restraint,
steering whee lorm irrorsR
fasten the seat belt
There is ar isk of an accident.
Adjust the driver' ss eat, head restraint, steer-
ing whee la nd mirror and fasten you rs eat belt
before starting the engine.
G WARNING
If you adjust the seat height carelessly ,y ou or
other vehicl eo ccupants could be trappe da nd
thereby injured. Children in particular could
accidentally press the electrica ls eat adjust-
ment buttons and become trapped. There is a
risk of injury.
Whil em oving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
! To avoi dd amage to the seats and the seat
heating, observe the following information: R
keep liquid sf rom spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible. R
if the seat covers are damp or wet, do not
switch on the seat heating. The seat heat-
ing should als on ot be used to dry the seats.R
clean the seat covers as recommended;
see the "Interior care" section. R
do not transport heavy loads on the seats.
Do not place sharp objects on the seat
cushions, e.g. knives, nail sort ools. The
seats should only be occupied by passen-
gers, if possible. R
when the seat heating is in operation, do
not cover the seats with insulating materi-
als ,e .g. blankets, coats, bags ,s eat covers,
child seats or booster seats. ! Make sure that there are no objects in the
footwel lu nder or behind the seats when mov-
ing the seats back. There is ar isk that the
seats and/or the objects could be damaged.
i Further related subjects: R
cargo compartment enlargement (folding
down the rear seats) ( Y
page 240)
Adjusting the seats manually
Vehicles without the seating comfort
package
Seat fore-and-aft adjustment: X
Lift handle C and slid et he seat forwards or
backwards. X
Release lever C again.
Make sure that you hear the seat engage in
position.
Backrest angle: X
Relieve the pressure on the backrest. X
Turn handwheel

Vehicles with the seatin gc om fort pack-
age
Sea tf ore-and-aft adjustment:X
Lif th an dle C and slid et he sea tf orward so r
rearwards. X
Releas el ev er C again.
Make sure tha ty ou hea rt he sea te ngage in
position.
Backrest angle: X
Relieve the pressure on the backrest. X
Turn handwheel

Using the fore-and-aft adjustment, adjust the
head restraint so that it is as close as possible to
your head.
General notes For vehicles with sports seats you cannot adjust
the front head restraints or the outer rear head
restraints.
Adjusting the head restraints manually Adjusting the head restraint height
X
To raise: pull the head restraint up to the
desired position. X
To lower: press release catch C in the direc-
tion of the arrow and push the head restraint
down to the desired position.
Adjusting the fore/aft position of the
head restraint With this function you can adjust the distance
between the head restraint and the back of the
seat occupant's head. X
To move forwards: pull the head restraint
forwards in the direction of the arrow until it
engages.
There are several notches. X
To move backwards: press and hold release
button C and push the head restraint back-
wards. X
When the head restraint is in the desired posi-
tion, release the button and make sure that
the head restraint is engaged in position.
Rear seat head restraints Adjusting the rear seat head restraint
height
X
To raise: pull the head restraint up to the
desired position. X
To lower: press release catch C and push
the head restraint down until it is in the
desired position.
Adjusting the 4-way lumbar support You can adjust the contour of the front seat
backrests individually to provide optimum sup-
port for your back. Seats 93
Seats, steering whee la nd mirrors Z

C
Raises th eb ackrest contourD
Soften st he backrest contour

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

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

Folding th ee xterior mirrors in or out
electrically X
Turn th eS ma rtKey to position G or H in th e
ignition loc k( Y
page 122).X
Briefly press C .
Both exterio rm irror sf ol dinoro ut .
i Mak es ure that th ee xter io rm irror sa re
always folded out fully while driving .T hey
could otherwise vibrate .
i If you are driving faste rt ha n30m ph
(47 km/h), you can no longer fol dint he exte -
rio rm irrors.
Resetting th ee xterior mirrorsIf th eb attery has been disconnected or com-
pletely discharged, th ee xter io rm irror sm ust be
reset .T he exterio rm irror sw ill otherwise no t
fol dinw hen you select th e" Fold in mirror sw hen
locking" function in th eo n-bo ard computer
( Y
page 188). X
Turn th eS ma rtKey to position G in th ei gni-
tion loc k( Y
page 122).X
Briefly press C .
Folding th ee xterior mirrors in or out
automatically If th e" Fold in mirror sw hen locking" function is
activated in th eo n-bo ard computer
( Y
page 188): R
th ee xter io rm irror sf ol dina utomatically as
soo nasy ou loc kt he vehicl ef ro mt he outside .R
th ee xter io rm irror sf ol do ut again automati-
call yass oo nasy ou unlock th ev ehicl ea nd
then open th ed river' sorf ront-pa ssenger
door . i If th ee xter io rm irror sh ave been folded in
manually, they do no tf ol do ut .
Exterior mirror pushed out of position If an exterio rm irror has been pushed out of
position ,p rocee dasf ollows :X
Vehicles without electricall yf olding exte-
rior mirrors : mov et he exterio rm irror int o
th ec orre ct position manually. X
Vehicles with electricall yf olding exterior
mirrors : press and hold mirror-foldin gb utto n
( Y
page 97 )u ntil yo uh ea rt he mirror click into
place.
The mirror housing is engaged agai na nd you
can adjus tt he exterio rm irrors as usual
( Y
page 96).
Automati ca nti-glare mirrors
G WARNING
Electrolyte ma ye scape if the glas sinana ut o-
matic anti-glare mirror breaks .T he electrolyte
is harmfu la nd causes irritation. It must not
come into contact with your skin, eyes, res-
piratory organs or clothing or be swallowed.
There is ar is kofi njury.
If yo uc ome into contact with the electrolyte,
observe the following: R
Rinse off the electrolyte from your skin
immediatel yw it hw at er.R
Immediately rins et he electrolyte ou to f
your eyes thoroughl yw it hc lean water.R
If the electrolyte is swallowed, immediately
rins ey ou rm outh ou tt horoughly. Do not
induce vomiting. R
If electrolyte come si nto contact with your
ski norh ai roriss wallowed, see km edical
attentio ni mmediately. R
Immediately change ou tofc lothing which
ha sc ome into contact with electrolyte. R
If an allergi cr eactio no ccurs, see km edical
attentio ni mmediately.
The "Automatic anti-glare mirrors "f unctio ni s
onl ya vailable if the vehicl eise quippe dw it ht he
"Mirrors package". Mirrors 97
Seats, steering wheel an dm irrors Z

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