engine MERCEDES-BENZ A-CLASS SALOON 2018 Owner's Guide

Displaying engine data
Multimedia sy
stem:
4 © 5
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:
4 © 5
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. #
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. *
NO
TEDama getothe engine and trans‐
mission byshifting toage ar that is too
low #
When changing between gears 5and
6 push thege arshift le verto theright. #
Do not shift down at high speeds. Driving and parking
167

#
Ifge arshift recommendation message 1is
shown on the multifunction displa y,shift to
th ere commended gear. Au
tomatic transmission DIRECT SELECT le
verFu
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. Use
the DIRECT SELECT le verto shift the trans‐
mission position. The cur rent transmission posi‐
tion is displ ayed in the multifunction displa y. Driving and pa
rking 16 9

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.
Te mp orary setting: Driving and parking
171

#
Toactivate: pullsteering wheel gearshift
paddle 1or2.
Manual gearshifting is activated for a short
time. The cur rent gear is displa yed in the
multifunction displa y.
% How long the manual gearshifting stay s acti‐
va ted is dependant on the driving style. #
Toshift up: pullsteering wheel gearshift
paddle 2. #
Toshift down: pullsteering wheel gearshift
paddle 1.
If yo u pull and hold thesteering wheel gear‐
shift paddle 1,the transmission shifts to
th e lo west possible gear. #
Todeactivate: pullsteering wheel gearshift
paddle 2and hold it in place.
The transmission position happears in the
multifunction displa y.
Pe rm anent setting: #
Change todrive prog ram
= (/ page165). #
Select drive program Manual
(/ page166). 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. Using kickd
own #
Maximum acceleration: depressthe accel‐
erator pedal be yond the pressure point.
The automatic transmission shifts up tothe next
ge ar when the maximum engine speed is
re ached toprotect the engine from overrev ving. Glide mode function
Wi
th an anticipatory driving style, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R the combustion engine is disconnected from
th e driv etra in and the engine continues to
ru n in neutral.
R the transmission position his displa yed in
green in the multifunction displa y.
Glide mode is activated if thefo llowing condi‐
tions are me t:
R drive program ;is selected.
R the speed is within a suitable range. 17 2
Driving and pa rking

R
thero ad's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R there is no trailer coupled tothe trailer hitch,
and no bicycle rack fitted.
R you are no lon ger depressing the accelera tor
or brake pedal.
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the
conditions is no longer met. Ve
hicles with Active Di stance Assist
DISTRO NIC:when Active Dis tance Assi st
DISTRONIC is acti ve,th eglide mode function is
not available.
Glide mode can also be pr evented bythefo llow‐
ing parame ters:
R incline
R downhill gradient
R temp erature
R height R
speed
R operating status of the engine
R traffic situation
% Glide mode can be ended bypressing the
ri ght-hand steering wheel gearshift paddle
(/ page171). Problems with th
e transmission Problem
Possible causes/consequences and M
MSolutions
The transmission has a faulty gear
shift. The transmission is losing oil. #
Have the transmission checked at a qualified specialist workshop immediatel y.
The acceleration characteristics are
de teriorating.
The transmission no longer shifts gear. The transmission is in emer
gency operation mode. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Switch off the engine. Driving and parking
17 3

Problem
Possible causes/consequences and M
MSolutions #
Wait at least ten seconds be fore re starting the engine. #
Switch the transmission toposition h. #
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 crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. &
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. 174
Driving and pa rking

#
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.
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.
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: Driving and parking
175

#
Do not switch the ignition on. #
Consult a qualified specialist workshop. *
NO
TEDo not use diesel torefuel vehi‐
cles with a petrol engine. If
yo u acciden tally refuel with the wrong fuel:
R Do not switch the ignition on. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines
drained compl etely. *
NO
TEDo not use petrol torefuel vehi‐
cles with a diesel engine. If
yo u acciden tally refuel with the wrong fuel:
R Do not switch the ignition on. Otherwise,
fuel can enter the fuel sy stem. Even small amounts of
the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines
drained compl etely. *
NO
TEDama getothe fuel sy stem caused
by ove rfilled fuel tanks. #
Only fill th e fuel tank until the pump
nozzle switches off.
If yo u ha veadded too much fuel because of a
defective filling pump, for ins tance: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. *
NO
TEFuel may spr ayout when you
re mo vethe fuel pump nozzle. #
Only fill th e fuel tank until the pump
nozzle switches off. Re
quirements:
R The vehicle is unloc ked.
% Do not get into theve hicle again during the
re fuelling process. Otherwise, electros tatic
ch arge could build up again.
Obser vethe no tes on operating fluids
(/ page 496). 176
Driving and pa rking

1
Fuelfiller flap
2 Brac ketfo rth e fuel filler cap
3 Fuel type
4 Tyre pressure table
5 QR code forre scue card #
Press on there ar area of fuel filler flap 1. #
Turn the fuel filler cap anti-clockwise and
re mo veit. #
Insert the fuel filler cap into brac ket2. #
Comp lete ly inse rtthe pump nozzle into the
ta nk filler nec k,hook in place and refuel. #
Only fill th e fuel tank until the pump nozzle
switches off.
% Vehicles with a diesel engine: theta nk
fi ller neck is designed forre fuelling at diesel
fi lling pumps.
% Vehicles with a diesel engine: whenthe
fuel tank is compl etely em pty, top up with at
least 5 litres of diesel.
% Vehicles with a diesel engine: use afiller
neck with a lar gediame terfo rve hicles with
a diesel engine when topping up fuel from a
fuel can. Otherwise, thefiller neck cannot
slide into theta nk. #
Replace the cap on thefiller neck and turn
clockwise until it engages audibl y. #
Close the fuel filler flap. Ad
Blue ®
(vehicles with a diesel engine on ly) Note
s onrefilling AdBlue ®
* NOTEWhen you open theAd Blue ®
tank,
small amounts of ammonia vapour may
escape. #
Only fill th eAd Blue ®
tank in well-venti‐
lated areas. #
Do not let AdBlue ®
come into contact
wi th skin, eyes or clo thes. #
Keep AdBlue ®
aw ay from children. *
NOTEDo not ingest AdBlue ®
. If
Ad Blue ®
is swallo wed: #
Immediately rinse out your mouth thor‐
oughl y. #
Drink plenty of water. #
Seek medical attention immediately. Obser
vethe no tes on operating fluids
(/ page 496). Driving and parking
17 7

Ad
Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines. In
order forth eex haust gas af tertre atment tofunc‐
tion proper ly, only use AdBlue ®
in accordance
wi th ISO 222 41 .
Ad Blue ®
is ch aracterised bythefo llowing:
R non-t oxic
R colourless and odourless
R non-flammable
Ad Blue ®
is available here:
R AdBlue ®
may be topped up byfast service at
a qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
R AdBlue ®
is available at many filling stations
from AdBlue ®
filling pumps.
R Alternativel y,Ad Blue ®
is available at qualified
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations
in Ad Blue ®
re fill canis ters or AdBlue ®
re fill
bottles. %
Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip.
To pping up AdBlue ®
* NOTEEngine dama gedue toAd Blue ®
being in the fuel #
AdBlue ®
must not be used tofill the
fuel tank. #
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. #
Do not overfill theAd Blue ®
tank. *
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage #
Afterto pping up, carefully close the
Ad Blue ®
re fill con tainer. #
Avoid car rying AdBlue ®
re fill con tainers
permanently in theve hicle. Re
quirements:
R The vehicle is unloc ked. The
following messages appear in order in the
multifunction display when theAd Blue ®
tank
requ iresrefilling:
R Refill AdBlue See Owner’s Manual . The
Ad Blue ®
tank is down tothere ser veleve l.
R Refill AdBlue No start in XXX miles. You can
on ly drive theve hicle over the dis tance
shown. Refill Ad Blue ®
as soon as possible.
R Top up AdBlue Perf. reduced: XXX km/h No
start in XXX km You can on lydrive theve hi‐
cle at the speed shown and overth e dis tance
shown. Refill Ad Blue ®
as soon as possible.
R Refill AdBlue Engine start not possible. The
vehicle can no longer be star ted.
Yo u can see theAd Blue ®
ra nge and le vel in the
multifunction display (/ page 260).
% The AdBlue ®
ra nge shown depends strongly
on the driving style and operating condi‐
tions. The actual range can therefore deviate
from the calculated range. 17 8
Driving and pa rking