2018 MERCEDES-BENZ CLS COUPE alarm

If
th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto ge ther with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged.
Re placing theke y bat tery ( →page 69). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Acoustic lock #
Activate Oor deacti vate ª the function. Ac
tivating/deactivating the panic alarm Re
quirements:
% The panic alarm function is only available in
cer tain countries.
R The ignition is switched off. #
Toactivate: press button 1for appro x‐
ima tely one second.
A visual and audible alarm is triggered. #
Todeactivate: briefly press but ton1 again.
or #
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R cent ral unlocking
R unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
% and& buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selec ted:
R pressing the% button a second time cen‐
trally unloc kstheve hicle
R Vehicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Deactivating
theke y functions If
yo u do not use theve hicle or a keyfo r an
ex tended pe riod of time, you can reduce the
energy consum ption of there spective key.Todo
so, deactivate theke y functions. 68
Opening and closing

Problem
Possible causes/consequences and M
MSolutions
If th e sliding sunroof is obstructed again and reopens again slightly: #
Repeat the pr evious step.
The sliding sunroof will be closed again with increased forc e.
Ve hicles without a panoramic slid‐
ing sunroof: the sliding sunroof does
not operate smoo thly. #
Push the3 button up tothe point of resis tance until the sliding sunroof is fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when the boot lid is opened
R when the bonn etis opened
R when interior pr otection is triggered
(→ page 91 )
R when tow- aw ay protection is triggered
(→ page 90) The
ATA sy stem is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Opening and closing
89

Indicator lamp
1flashes when theAT A sy stem
is activated.
The ATA sy stem is automatically deactivated:
R afte r unlocking theve hicle with thekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 151) R
afte r unlocking theve hicle using KEYLESS-
GO
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (→ page 349).
Deactivating theATA #
Press the%, &orp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (→ page151)
Deactivating the ala rmusing KEYLESS-GO: #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if
your
ve hicle's angle of inclination is altered while tow-
aw ay protection is primed. To
w- aw ay protection is automatically primed
af te r about 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing the% orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 151)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
In fo rm ation on de tecting damage on a pa rked
ve hicle (→ page179). 90
Opening and closing

Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Tow-
away protection #
Activate Oor deacti vate ª the function.
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
Interior pr otection is automatically deactivated:
R afte r pressing the% orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 151)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when the side window is open
R when the sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Inte-
rior motion sensor #
Activate Oor deacti vate ª the function.
Interior pr otection is primed again in thefo llow‐
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Opening and closing
91

St
arting theve hicle &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated.
R the hazard warning lights are switched off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. #
Start theve hicle using the smartphone: R
afte reve ryvehicle start, the engine runs for
te n minu tes.
R you can car ryout a maximum of two consec‐
utive starting attem pts. The vehicle must be
st ar ted once with theke y before trying to
st art theve hicle again with the smartphone.
R you can stop theve hicle again at any time.
R further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning lights.
or #
unlock the doors.
or #
open a side window or the sliding sunroof. Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds. R
drive theve hicle in drive program A
or ;.
R change gear before there v counter needle is
Ô ofthewa yto there d area of there v coun‐
te r.
R do not shift down a gear manually in order to
brake.
R avoidoverstra ining theve hicle, e.g. driving at
full thro ttle.
R vehicles with automatic transmission: do
not depress the accelera tor pedal be yond the
pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
1, 500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R in cer tain driving and driving saf ety sy stems,
th e sensor sy stem adjusts automatically
while a cer tain dis tance is driven af terthe
ve hicle has been delivered or af terre pairs. Driving and parking
15 3

Ad
justing the sound optimisation
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 386
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 385
Burmes ter®
sur round sound sy stem ... 384
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .127
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .210
Setting ................................................. 212
Suspension .......................................... 210
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .137
Air freshener sy stem
see Frag rance sy stem Air inlet
see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 147
Ad justing (front) ................................... 147
Ad justing (rear) .................................... 147
Glo vebox .............................................1 48
Air vents
see Air vents
Ai r-re circulation mode ............................ 14 0
Air-water duct .......................................... 395
Ke eping free ........................................3 95
Airbag ........................................................ .39
Ac tivation .............................................. 33
Fr ont airbag (driver, front passenger) ....39
Ins tallation locations ............................ .39
Knee airbag ........................................... 39
Overview ............................................... 39
PA SSENGER AIR BAG indicator lamp .... .43
Pr otection ..............................................39 Re
duced pr otection ...............................41
Side impact airbag ................................ 39
Wi ndow airbag ....................................... 39
Ai rflow
Setting ................................................ .137
AIRPANEL (Care) ...................................... 400
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
Alternative route
see Route
Ambient lighting Setting (mutlimedia sy stem) ................1 30
Android Auto ............................................ 343
Connecting a mobile phone ................. 344
Ending ................................................. 344
Information .......................................... 343
Overview ............................................. 343
Sound settings .................................... 344
Tr ans ferred vehicle data ......................3 45
Animals Pets in theve hicle ................................. 65 Index
543

Anti-lock braking sy
stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft ala rmsystem
see ATA (anti-theft alarm sy stem)
Anti-theft pr otection
Ad ditional door lock ...............................71
Immobiliser ...........................................89
Anti-theft pr otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay™ ....................................... 341
Connecting an iPhone ®
....................... 342
Ending .................................................3 43
No tes .................................................. 342
Overview ..............................................3 41
Sound settings .................................... 343
Tr ans ferred vehicle data ......................3 45Ashtr
ay
Fr ont centre console ............................ 11 6
Re ar passenger compartment .............. 11 6
Assistance sy stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 258
ASS YST PLUS ........................................... 387
Battery disconnection pe riods .............3 88
Displ aying the service due date ........... 387
Fu nction/no tes ................................... 387
Re gular maintenance work .................. 387
Special service requ irements .............. 387
ATA (anti-theft ala rmsystem) .................. 89
Deactivating the alarm .......................... 90
Fu nction ................................................ 89
Fu nction of interior pr otection ............... 91
Priming/deactivating interior pr otec‐
tion ........................................................ 91
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 91
To w- aw ay protection function ................90
AT TENTION ASSI ST.......................... 235, 237
Fu nction .............................................. 235 Setting ................................................. 237
Sy
stem limitations ...............................2 35
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB devices ..................... 363
Co pyrights ...........................................3 61
Information ..........................................3 59
Inserting/removing an SD card ........... 361
Media sea rch ....................................... 366
Overview ............................................. 362
Pa use and playback function .............. .363
Selecting a track ................................. 363
Selecting playba ckoptions .................. 363
Switching on media mode ...................3 61
Tr ack list .............................................. 363
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 3
Au tomatic engine start (ECO start/
sto p function) .......................................... 15 6544
Index

D
Damage de tection (pa rked vehicle) .......179
Dashboard see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 28
Data import/export ................................ 295
Fu nction/no tes ................................... 295
Importing/exporting ........................... 295
Data storage
Electronic control units ........................ .28
Online services ...................................... 30
Ve hicle .................................................. 28
Date Setting the time and date automati‐
cally ..................................................... 290
Deactivating the alarm (A TA).................... 90
Dealership see Qualified specialist workshop Declaration of conformity
Electromagnetic compatibility ............... 25
Jack .......................................................25
TIREFIT kit ............................................. 26
Wi reless vehicle components ................25
Decorative foil (cleaning instructions)
.................................................................. .398
DeNO x agent
see AdBlue ®
Designs Menu (on-boa rdcompu ter) .................. 256
Dest ination .............................................. .317
Editing intermedia tedestinations ........ 307
Editing the pr evious destinations ........ .318
External ............................................... 318
Saving (cu rrent vehicle position) ..........3 17
Saving as global favo urite .................... 318
St oring a map position .........................3 17
Destination ent ry.................................... 303
Entering a POI or address .................... 303
Entering an intermedia tedestination ...3 07
Entering geo-coordinates .................... 308
Selecting a contact ............................. 308
Selecting a POI .................................... 306 Selecting from
the map ....................... 309
Selecting pr evious destinations .......... .306
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................26
Diesel Low outside temp eratures ...................4 55
No tes .................................................. 455
Digital Owner's Manual ............................20
Digital speedome ter ............................... 259
Digital TV
see TV
Digital Vehicle Keyst icker
Locking theve hicle ................................ 72
St arting theve hicle .............................. 151
Unlocking theve hicle ............................72
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 29
Switching on/off ................................. 12 2550
Index