2018 MERCEDES-BENZ A-CLASS HATCHBACK warning

&
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. *
NO
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightl y. #
Have the cause rectified immediately at
a qu alified specialist workshop. Limited braking ef
fect on salt-trea tedro ads:
R due tosalt build-up on the brake disks and
brakepads, the braking dis tance can increase
conside rably or result in braking only on one
side
R maintain a much greater safe dis tance tothe
ve hicle in front
To preve nt salt build-up:
R brake occasionally while paying attention to
th e tra ffic conditions
R carefully depress the brake pedal at the end
of the journey and when starting the next
journey ECO
start/s top function Ope
ration of the ECO start/s top function
The engine is au tomatically switched off if the
fo llowing conditions are me t:
R vehicles with manual transmission: you
brake theve hicle, shift into neutral iwhen
tr ave lling at a low speed and then release the
clutch pedal. 15 8
Driving and pa rking

R
electric po werst eering Note
s on the roof load display Cer
tain drive programs and ESP ®
settings are
unsuitable for transporting a roof load.
When setting or selecting these drive prog rams,
a crossed-through vehicle with a roof load is
shown as a warning. When this symbol is shown,
th e selected drive program is not suitable for
transpo rting a load on thero of.
The following drive programs are af fected:
R Sport drive program
R Individual drive program wi th the Sport
ESP ®
setting
% The symbol is also shown in thefo llowing sit‐
uations:
R Within theth emes if a cor responding
drive program is sa ved
Fo r more information on themes see
(→ page 292). R
Within there set display if the pr eviously
active drive prog ram is unsui table forthe
transpo rtof a roof load
Fo r fur ther information on there set dis‐
pla y,see (→ page161). Selec
ting the drive prog ram #
Press DYNA MIC SELECT switch 1forw ards
or backwards.
The drive prog ram selected appears in the
multifunction displa y. Configuring
DYNA MIC SELECT (multimedia
sy stem) Multimedia sy
stem:
, © .
Settings .
Vehi-
cle .
DYNAMIC SELECT
Setting drive prog ram I #
Select Individual config.. #
Select and set a categor y.
Switching there set display on/off #
Switch Ask when starting on or off.
Fu nction on: the next time theve hicle is star ted
a prom ptappears asking whe ther the drive pro‐
gram last active should be restored. If the ECO
st art/ stop function was deactivated, an addi‐
tional prom ptappears asking if the function
should remain deactivated. Driving and parking
161

%
The prom ptappears on ly ifthe pr eviously
active settings deviate from thest andard
settings.
Fu nction off: the next time theve hicle is star‐
te dth eComfort drive program is set automati‐
cally. The ECO start/ stop function is activated
automaticall y.
% This function must be activated for each user
profile sepa rately. Only when this function is
activated will the drive prog ram and Eco
st art/ stop setting forth e pr evious journey
be sa vedfo rth ere spective user profile. Displaying
vehicle data Multimedia sy
stem:
, © .
Info #
Select Vehicle.
The vehicle data is displa yed. Displaying engine data
Multimedia sy
stem:
, © .
Info #
Select Engine.
The engine data is displa yed.
% The values for engine output and engine tor‐
qu e may deviate from the nominal values.
Items that can influence this are, forex am‐
ple:
R Sea le vel
R Fuel grade
R Outside temp erature Calling up fuel consum
ption indicator Multimedia sy
stem:
, © .
Info #
Select Consumption.
The cur rent and average fuel consum ption is
displa yed. Manual transmission
Operating
thege arshift le ver &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unaccompanied in the
ve hicle, they could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R releasing the parking brake.
R shifting the manual transmission into idle
position.
R starting the engine. 16 2
Driving and pa rking

Gearshift
recommendation The
gearshift recommendation assists you in
adopting an economical driving style. #
Ifge arshift recommendation message 1is
shown on the multifunction displa y,shift to
th ere commended gear. Au
tomatic transmission DIRECT SELECT le
ver Fu
nction of the DIRECT SELECT le ver &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R releasing the parking brake.
R shifting the automatic transmission out of
park position j.
R starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. #
Keep theve hicle key out of reach of
ch ildren. This also applies tothe Digital
Ve hicle Key if the "Digital Vehicle Key"
function is activated via Mercedes me
connect. &
WARNING Risk of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you en gage the transmission posi‐
tion hork, theve hicle may accelerate
sharply. #
Ifyo u en gage the transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time. 16 4
Driving and pa rking

speed and
the transmission is in position h
or k.
% Tomanoeuvre with an open driver's door,
open the driver's door while stationary and
engage transmission position hork
again.
% Atvery low outside temp eratures from
appr ox. -20°C you may not be able toshift
th e transmission from jtoano ther trans‐
mission position when the engine is
switched off. If this is the case, only change
th e transmission position while the engine is
ru nning.
En gaging drive position D #
Depress the brake pedal and push the
DIRECT SELECT le ver down past thefirst
point of resis tance.
The transmission position displ aysho wsh
in the multifunction displa y.
When the automatic transmission is in transmis‐
sion position h, it shiftsthege ars automati‐
call y.This depends on thefo llowing factors:
R the selected drive prog ram R
the position of the accelera tor pedal
R the driving speed Manual
gearshifting &
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift down on slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction. #
Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect. When
the automatic transmission is shif tedto
position h,you can manually shift it with the
st eering wheel gearshift paddle. If permit ted, the
automatic transmission shifts tothe next gear
up or down depending on thesteering wheel
ge arshift paddle being pulled.
Yo u ha vetwo options tomanually shift the auto‐
matic transmission:
R temp orary setting
R permanent setting
The gears shift automatically when manual gear‐
shifting is deactivated. 16 6
Driving and pa rking

Problem
Possible causes/consequences and M
MSolutions #
Have the transmission checked at a qualified specialist workshop immediatel y. Re
fuelling Re
fuelling theve hicle &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and creat‐
ing spar ksmust be avoided. #
Swit choff the ignition and, if it has
been in use, switch off thest ationary
heater before youre fuel your vehicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact wi thfuel. &
WARNING Risk offire or explosion from
elect rostatic charge
Electros tatic charge can crea tespar ksand
th ereby ignite fuel vapours. #
Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body.
This dischar ges any electros tatic charge
th at may ha vebuilt up. #
Do not get into theve hicle again during
th ere fuelling process.
Otherwise, electros tatic charge could
build up again. &
WARNING Risk offire from fuel mixture
Ve hicles with a diesel engine:
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel. Driving and parking
16 9

While
the engine is running, component
pa rts in theex haust sy stem may overheat
without warning. #
Neverre fuel using petrol. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Ve
hicles with a petrol engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using unleaded, sulphu r-free
fuel that con form sto European EN 228,
or an equi valent specification. #
The RONrequ irement is located in the
fuel filler flap.
Fu el of this specification may con tain up to
10 %ethanol. Your vehicle is suitable for use
with E10 fuel. Ne
verre fuel using any of thefo llowing fuels:
R diesel
R regular petrol with an octane number
lo we rth an 91 RON
R petrol with more than 10%ethanol byvol‐
ume, e.g. E15, E30, E85, E100
R petrol with more than 3% me thanol by
vo lume, e.g. M15, M30
R petrol with additives con taining me tal
If yo u acciden tally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. *
NO
TEDama gecaused bythe wrong fuel Ve
hicles with a diesel engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphu r-free diesel
fuel that con form sto European stand‐ ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-f
ree diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm. #
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm.
Ne verre fuel using any of thefo llowing fuels:
R petrol
R marine diesel
R heating oil
R pure bio-diesel fuel or vege table oil
R paraf fin or kerosene
If yo u accidentally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. 17 0
Driving and pa rking

#
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. #
Replace theAd Blue ®
fuel filler cap and turn it
clockwise. #
Close the fuel filler flap. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tan kwa s em pty, it can take up to
60 seconds forth ere fill to be de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away.
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncont rolled
wa yev en at a slight downhill gradient. #
Ensure that the par kedve hicle is alw ays
properly secured against rolling away as
fo llo ws:
R on uphill or downhill gradients, turn
the front wheels so that theve hicle
ro lls towa rdsth eke rb if it starts
moving.
R apply the parking brake.
R vehicles with automatic transmis‐
sion: shift the transmission toposi‐
tion j.
R vehicles with manual transmission:
engage firs t1 orreve rsege ar k. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem or
ex haust gasflow. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R releasing the parking brake. Driving and parking
175