keyless MERCEDES-BENZ A-CLASS SALOON 2018 Owners Manual

The indicator lamp in
the door trim on the driv‐
er's side flashes when theve hicle is loc ked from
outside. The indicator lamp goes out if theve hi‐
cle is loc ked from inside or while theve hicle is in
motion.
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 ( / page75). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle #
Activate or deacti vate Acoustic lock . Ac
tivating/deactivating the panic alarm Re
quirements:
R The ignition is switched off
% The panic alarm function is only available in
cer tain countries. #
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. 74
Opening and closing

Problem
Possible causes/consequences and M
MSolutions
R The key is faulty. #
Check the battery using the battery check lamp and replace if necessary (/ page75). #
Use the emer gency keyto lock or unlock (/ page75). #
Have theke ych ecked at a qualified specialist workshop.
Yo u ha velost a key. #
Have theke y deacti vated at a qualified specialist workshop. #
If necessar y,ha ve the mechanical lock changed as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. &
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside. If
th ere are persons in theve hicle, they can
no longer le aveth eve hicle, e.g. in hazardous
situations. #
Never lea vepersons unattended in the
ve hicle, particularly children, elderly
persons or persons in need of help. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d in thefo llowing situations:
R The vehicle is loc ked using thekey. R
The vehicle is loc ked using KEYLESS-GO.
If th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
% After locking you can issue a signal with the
horn.
Yo u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (/ page 96). Opening and closing
77

#
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. #
Tolock theve hicle: touch sensor sur face
1 or2. #
Convenience closing: touch recessed sen‐
sor su rface 2until the closing procedure is
comple te. %
Further information on con venience closing
(/ page 87).
If yo u open the boot lid from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and M
MSolutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated (/ page74).
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate theke y functions (/ page74). #
Check the battery using the battery check lamp and replace if necessary (/ page75). #
Use the emer gency keyto unlo ckor lock theve hicle (/ page75). #
Have theve hicle and keych ecked at a qualified specialist workshop. 80
Opening and closing

HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open the
boot lid byper form ing a kicking mo vement
under the bumper.
Obser vethe no tes when opening the boot lid
(/ page 82). &
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. #
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. *
NO
TEDama getotheve hicle caused by
unin tentional lyopening the boot lid: R
when using an automatic car wash
R when using a high pressure cleaner #
Deactivate KEYLESS-GO or make sure
th at theke y located is at least 3 m
aw ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at your feet are firm ly on the ground, other‐
wise you could lose your balance, e.g. on ice. Re
quirements:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. 1
Detection range of the sensors 84
Opening and closing

%
Con venience closing can also be operated
wi th KEYLESS-GO (/ page 79).Problems with
the side windo ws Problem
Possible causes/consequences and M
M Solutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee whe ther any objects are in the window guide.
& WARNING Risk of becoming trapped or fata lly injured if reve rsing pr otection is not activated
If yo u close a side wind owagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could become trapped in the closing area in the process. #
Make sure that no parts of the body are in the closing area. #
Tostop the closing process, release the button or press the button again toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window is bloc ked, pull the cor responding switch again until the side window has
closed, and hold the switch for an additional second.
The side window will be closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: 88
Opening and closing

Problem
Possible causes/consequences and M
MSolutions
ro ller sunblind does not opera te
smoo thly. #
Pull and hold the3 button little bylittle until thero ller sunblind is fully closed. #
Use automatic operation tofully open and then 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 96)
R when tow- aw ay protection is triggered
(/ page 95)
The ATA sy stem is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed. 94
Opening and closing

The
ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page157)
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 402).
Deactivating theATA #
Press the%, &orp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page157)
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 an
alteration
to yourvehicle's angle of inclination is
de tected 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
(/ page157)
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 (/ page188). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 © 5
Settings
5 Schnellzugriff (Quick access) #
Prime or deactivate Tow-away protection .
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.
% Ifqu ick access is una vailable, select the
Vehicle submenu in theSettings main menu
to prime or deactivate tow- aw ay protection. Opening and closing
95

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
(/ page157)
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 panoramic sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
4 © 5
Settings
5 Schnellzugriff (Quick access) #
Prime or deactivate Interior motion sensor.
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.
% Ifqu ick access is una vailable, select the
Vehicle menu under Settingstoprime or
deactivate interior pr otection. 96
Opening and closing

Entering ............................................... 347
Modifying ............................................. 347
St arting an automatic filling station
sear ch................................................. 349
St arting the automatic service sta‐
tion sear ch.......................................... 349
In tern et
Calling up a web page .........................4 09
Closing the br ows er ............................. 411
Del eting a bookmark ............................ 411
Del eting his tory .................................... 411
Managing bookmar ks........................... 411
Internet connection Cancelling permission (mobile
phone) ................................................ .407
Communication module function ........ 406
Connection status .............................. .408
Displ aying the connection status ........ 408
Es tablishing .........................................4 07
Es tablishing automatically ...................4 07
Information .......................................... 405
Mobile phone de tails .......................... .407
Re strictions ......................................... 405
Setting access da ta(Blue tooth ®
) ........ 406
Setting automatic disconnection .........4 08Setting up (Blu
etoo th®
) .......................4 06
Setting up (Wi-Fi) ................................. 406
Internet radio
Calling up ............................................. 412
Calling up thest ation list (category
last selec ted) .......................................4 14
Del eting stations .................................. 414
Logging out .......................................... 414
Overview ..............................................4 13
Re gis tering ........................................... 414
Saving stations .................................... 414
Selecting and connecting toast ation
............................................................ .414
Selecting stre am .................................. 414
Setting options ..................................... 414
Te rm s of use ........................................4 14
iPhone ®
see Apple CarPlay™
see Mercedes-Benz Link
ISOFIX child seat securing sy stem
Fitting .................................................... 60
Seats suitable for attaching ................... 57 J
Jack Declaration of conformity ......................26
Storage location ..................................4 82
Jump-start connection ............................ 459
Gene ral no tes ...................................... 457 K
Ke y.............................................................. 73
Ac oustic locking verification signal ........ 74
Battery ................................................... 75
Emergency key ...................................... 75
Energy consumption .............................. 74
Fe atures ................................................ 73
Ke yring attachment .............................. 75
Overview ............................................... 73
Pa nic alarm ............................................ 74
Problem .................................................76
Un locking setting .................................. .74
Ke y functions
Deactivating ........................................... 74
KEYLESS-GO Locking theve hicle ................................ 79
Problem .................................................80 Index
593

Langua
gesetting ................................. 270
Media pla yervo ice commands ............ 279
Message voice commands .................. 282
Multifunction steering wheel (operat‐
ing) ...................................................... 268
Na vigation voice commands ................ 274
No tes on thevo ice commands ............ 272
Online voice control ............................ .272
Operable functions .............................. 270
Operating saf ety .................................. 268
Ra dio voice commands ........................ 278
Setting (multimedia sy stem) ................2 70
Switch voice commands ...................... 272
Te lephone voice controls .................... .276
Te xt messa gevoice commands .......... .282
Ve hicle voice commands .................... .283
Vo ice prom pting .................................. 269
Live Traf fic Information
Displaying subsc ript ion information .... 359
Displaying the tra ffic map .................. .360
Displ aying traf fic incidents .................. 361
Extending a subscription ..................... 360
Re gis tering on Mercedes me ............... 360
Showing local area messa ges .............. 362 Switching
the tra ffic information dis‐
play on ................................................ 362
Loading .................................................... .114
No tes ................................................... 109
Ro ofrack ............................................. 11 4
St ow age space under the boot floor ....1 14
Ti e-down eyes ...................................... 11 4
Loading guidelines .................................. 109
Loads Securing .............................................. 109
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .81
Ad ditional door lock .............................. 77
Digital Vehicle Keyst icke r .................... .78
Emergency key ...................................... 81
KEYLESS-GO .......................................... 79
Mobile phone ........................................ .78
Smartphone ........................................... 78
Un locking/opening the doors from
th e inside ............................................... 78
Low beam (symm etrical dipped beam) ................. 127
Switching on/off ................................. 127Lu
bricant additives
see Additives
Lu ggage
Securing .............................................. 109
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay).......................... 101 M
Main beam Changing bulbs ................................... .138
Maintenance see ASS YST PLUS
Malfunction Restra int sy stem ................................... 33
Managing e-mails In Car Of fice ........................................ 391
Manual transmission Ope rating thege arshift le ver ............... 167
Map .................................................. 360, 365
Av oiding an area ..................................3 69
Av oiding an area (o verview) ................ .369
Changing an area ................................ 369 Index
595