2018 MERCEDES-BENZ A-CLASS SALOON low beam

The high beam switches off automatically in
the
fo llowing cases:
R Atspeeds below 25 km/h.
R Ifot her road users are de tected.
R Ifstre et lighting is suf ficient.
At speeds abo veappr oximately 50 km/h:
R The headlamp range of the low beam is regu‐
lated automatically based on the dis tance to
ot her road users.
The sy stem's optical sensor is located behind
th e windscreen near theov erhead control panel.
Switching Adaptive Highbeam Assist on/off #
Toswitch on: turnthe light switch tothe
à position. #
Switch on the main beam using the combina‐
tion switch.
When the main beam is switched on auto‐
matically in the dar k,the _ indicator
lamp on the multifunction display comes on. #
Toswitch off: switch offthe main beam
using the combination switch. Ad
aptive Highbeam Assist Plus Ad
aptive Highbeam Assist Plus function &
WARNING Risk of accident despi te
Ad aptive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not rec‐
ognise thefo llowing road users:
R Road users without lights, e.g. pedes‐
trians
R Road users with poor lighting, e.g.
cyclists
R Road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist Plus may failto recognise other road
users that ha velights, or may recognise
th em too late.
In this, or in similar situations, the automatic
main beam will not be deactivated or will be
activated despite the presence of other road
users. #
Alw ays obser vethe tra ffic carefully and
switch off the main beam in good time. Ad
aptive Highbeam Assist Plus cannot take into
account road, weather or traf fic conditions.
De tection may be restricted in thefo llowing
cases:
R in poor visibilit y,e.g. fog, heavy rain or snow
R ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist Plus is on lyan aid.
Yo u are responsible for adju sting theve hicle's
lighting tothe pr evailing light, visibility and traf‐
fi c conditions. Light and sight
13 3

The
Adaptive Highbeam Assist Plus automati‐
cally swit ches between thefo llowing types of
light:
R Low beam
R Partial high beam
R High beam
Pa rtial high beam uses the high beam toshine
past other road users rath er than dazzling them. The
vehicle in front will be illuminated bythe low
beam.
At speeds abo ve30 km/h:
R If no other road users are de tected, the high
beam will be switched on automaticall y.
R Ifot her road users are de tected, the partial
high beam will be switched on automaticall y.
At speeds below 25 km/h or when there is suf fi‐
cient stre et lighting:
R The high beam will switch off automaticall y.
R The partial high beam will switch off auto‐
maticall y.
The sy stem's optical sensor is located behind
th e windscreen near theov erhead control panel.
Switching Adaptive Highbeam Assist Plus
on/off #
Toswitch on: turnthe light switch tothe
à position. #
Switch on the main beam using the combina‐
tion switch.
When the main beam is switched on auto‐
matically in the dar k,the _ indicator lamp on
the multifunction display will light
up. #
Toswitch off: switch offthe main beam
using the combination switch. Setting
theex terior lighting switch-off delay
time Re
quirements:
R The light switch is in theà position.
Multimedia sy stem:
4 © 5
Settings 5
Lights
5 Ext. light. del. shut-off
The exterior lighting is activated forth e confi g‐
ured time when theve hicle is par ked. #
Set the switch-off delay time. 134
Light and sight

#
Allow the component parts tocool
down before replacing the bulb. R
Do not use a bulb if it has been dropped or if
itsglass has been sc ratched. The bulb may
ot herwise explode.
R Do not touch theglass bulb with your bare
hands.
R Protect bulbs from moisture and do not allow
bulbs tocome into contact wi thliquids. Overview of
the bulbs tobe changed Halogen headlamps
1
Main beam: H7 55 W bulb
2 Dipped beam: H7 55 W bulb Ta
il lamps 1
Turn signal indicator: PY 21W bulb
2 Reversing light: W 16W bulb Light and sight
137

Tr
ailer hitch Tr
ailer operation no tesObser
vethefo llowing no tes on theto ngue
we ight:
R do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R use a tongue weight as close as possible to
th e maximum tongue weight
Do not exceed thefo llowing values:
R permissible towing capacity
R permissible rear axle load of theto wing vehi‐
cle
R permissible gross mass of theto wing vehicle
R permissible gross mass of the trailer
R maximum permissible speed of the trailer
Ensure thefo llowing before starting a journey:
R the tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R the lighting of the connected trailer is opera‐
tional R
vehicles without LED headlamps or MUL‐
TIBEAM LED headlamps: the headlamps
ha ve been set cor rectly
In theeve nt of increased rear axle load, the car/
trailer combination may not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is ab ove100 km/h. Fo
lding the ball neck out/in &
WARNING Risk of accident due tothe
ball neck not being engaged
If th e ball neck is not engaged, the trailer
may come loose. #
Alw ays engage the ball neck as descri‐
bed. &
WARNING Risk of inju ryfrom ball neck
swinging outwards
The ball neck may swing outwards when
unlo cking or when it has not been properly
engaged.
There is a risk of injury within the ball neck's
ra nge of mo vement! #
Unlock the ball neck only when its
ra nge of mo vement is unobstructed. #
Alw ays be sure the ball neck is engaged
when folding in wards. Re
quirements:
R The transmission has been shif tedto posi‐
tion jori.
R The range of mo vement is clear.
R Only when folding in: The trailer cables or
adap ter plugs are remo ved. 248
Driving and pa rking

Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary (/ page 465).
b
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page132). Displ
aymessa ges and warning/indicator lamps 559

Instrument display (standard)
Instrument display in
the widescreen cockpit Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Wa rning and indicator lamps:
L Low beam (/
page127)
T St
anding lights (/ page127)
K High beam (/
page129)
#! Tu
rn signal indicators
(/ page129)
R Re
ar fog light (/ page127)
6 Re
stra int sy stem (/ page 562)
ü Seat belt not
fastened
(/ page 567)
J Brakes (yellow) (/
page 562)
J Brakes (red) (/
page 562)
! Elect
ric pa rking brake (yellow)
(/ page 562)
! Electric parking brake (red)
(/
page 562) !
ABS malfunction (/
page 562)
÷ ESP®
(/ page 562)
å ESP®
OFF (/ page 562)
L Distance warning (/ page 568)
Ð Po
we r-assis tedsteering malfunction
(/ page572)
; Engine diagnostics (/
page 568)
% Preglow
# Electrical
fault( / page 568)
æ Fu
elreser vewith fuel filler cap loca‐
tion indicator (/ page 568)
? Ve
hicles with widescreen cock pit:
Coolant too hot/cold
(/ page 568)
h Ty
re pressure monitor
(/ page571)
ï Tr
ailer hit chis not operational or is
swivelling (/ page572) Displ
aymessa ges and warning/indicator lamps 561

Cruise cont
rol off ................................ 529
Cur rently una vailable Camera view
re stricted ............................................. 530
Cu rrently unavailable Radar sensors
dirty .....................................................5 27
! currently una vailable See Own‐
er's Manual .......................................... 516
÷ currently una vailable See Own‐
er's Manual .......................................... 51 0
Dep ress clutch fully tostart engine .....5 42
Drive sy stem Malfunction Stop
Switch engine off ................................ 533
Drive sy stem Malfunction Visit work‐
shop ....................................................5 33
5Engine oil le vel cannot be
measured ............................................ 535
4Engine oil le velRe duce oil le vel...5 35
4Engine oil le velSt op vehicle
Switch engine off ................................ 535 4Engine oil pressure
Stop Switch
off engine ............................................ 536
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 21
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 519
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 51 8
& inope rative Battery low ............... 557
&inoperati veRefuel vehicle ........... 557
&inoperative See Owner's Man. ....556
!inoperative See Owner's Man‐
ual ........................................................ 517
÷ inope rative See Owner's Man‐
ual ....................................................... .517
T inope rative See Owner's Man‐
ual ....................................................... .514
G Inoperative .................................. 521
bIntellige nt Light System inoper‐
ative ....................................................5 57Á
Key not de tected (red displ ay
messa ge).............................................5 49
ÁKe y not de tected (white dis‐
pl ay messa ge).....................................5 50
bLeft dipped beam (Example) ....... 558
6Left wind owbag malfunction
Consult workshop (Example) ................518
Limiter inoperative .............................. 529
Limiter passive .................................... 530
bMalfunction See Owner's Man‐
ual ....................................................... 559
ðMaximum speed exceeded ..........5 30
Mercedes me connect Services limi‐
te d See Owner's Manual .....................520
N permanently active Risk of vehicle
ro lling .................................................. 542
ç Off............................................... 528
ëOff ............................................... 526
Only select Park (P) when vehicle is
st ationary ............................................ 543 Index
585

Un
locking setting .................................. .74
Un locking theve hicle ............................79
Kickd own.................................................. 172
Using ................................................... 172
Knee airbag ................................................ 39L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Language .................................................. 324
No tes ................................................... 324
Setting .................................................3 24
LED light see In telligent Light Sy stem
Light switch Overview ..............................................1 27Lighting
see In terior lighting
see Lights
Lights ........................................................ 127
Ac tive headla mps ................................ 13 0
Ad aptive Highbeam Assist .................. .132
Ad aptive Highbeam Assist Plus .......... .133
Ad justing the instrument lighting ........ 260
Au tomatic driving lights ....................... 12 8
Changing bulbs .................................... 13 6
City lighting .......................................... 131
Combination swit ch............................. 12 9
Corne ring light ..................................... 131
Driving ab road (symm etrical dipped
beam) .................................................. 127
Haza rdwa rning lights .......................... 13 0
Headla mpflasher ................................ 12 9
Headla mprange .................................. 12 8
High beam ........................................... 12 9
Intellige nt Light Sy stem ....................... 13 0
Light switch .........................................1 27
Low beam ............................................ 127
Mo torw ay mode ................................... 131
Pa rking lights ...................................... .127
Re ar fog light ....................................... 127Re
sponsibility for lighting sy stems .......1 27
Setting theex terior lighting switch-
off delay time ...................................... 13 4
St anding lights .................................... .127
Switching the sur round lighting
on/off ................................................ .135
Tu rn signal lights ................................. 12 9
Limiter ...................................................... 202
Ac tivating ............................................ 203
Buttons ................................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Fu nction .............................................. 202
Pa ssive mode ...................................... 202
Pe rm anent setting .............................. .205
Re quirements: .................................... .203
Selecting ............................................. 203
Setting a speed ................................... 203
St oring a speed ................................... 203
Sy stem limitations ...............................2 02
Limiting speed see Limi ter
LINGU ATRO NIC ........................................ 268
Au dible help functions .........................2 71
Impr oving speech quality .................... .272 594
Index