ECU MERCEDES-BENZ A-CLASS HATCHBACK 2018 Owner's Guide

St
arting theve hicle via Remo teOnline serv‐
ices Cooling or heating
theve hicle interior before
commencing your journey
% This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selec ted air conditioning adjustment
is active.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled.
R thest ar ter battery is suf ficiently charge d.
% You can also set thete mp erature with your
smartphone. In form ation on Mercedes me
connect and other services: http://
www.mercedes.me
This function is not available for all models. Charging
the bat tery before commencing
yo ur journey
R Ifth eve hicle battery is discharged, you
re cei vea message on your smartphone.
R You can then start theve hicle with the
smartphone tocharge the batter y.
R The vehicle is automatically switched off
af te rte n minu tes.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled. 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: Driving and parking
15 5

R
afte rev ery vehicle 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. Fu
ll sy stem ef fectiveness is not achie ved
until the end of this teach-in process.
R brakepads, brake discs and tyres that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom etre s of driving. Com‐
pensate forth ere duced braking ef fect by
applying greater forc eto the brake pedal. Note
s on driving &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tra vel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that 15 6
Driving and pa rking

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.j
Park position
k Reversege ar
i Neut ral
h Drive position En
gaging reve rsege ar R #
Depress the brake pedal and push the
DIRECT SELECT le ver upwards past thefirst
point of resis tance.
The transmission position displ aysho wsk
in the multifunction displa y.
Engaging neut ral N #
Depress the brake pedal and push the
DIRECT SELECT le ver up or down tothefirst
point of resis tance.
The transmission position displ aysho wsi
in the multifunction displa y.
Subsequently releasing the brake pedal will
allow youto mo vetheve hicle freel y,e.g. topush
it or tow it away.
Proceed as follo ws ifyo uwa ntthe automatic
transmission toremain in neutral i
i eve n if
th e ignition is switched off: #
start theve hicle. #
depress the brake pedal and engage neutral
i. #
release the brake pedal. #
switch off the ignition. %
Ifyo uth en exitth eve hicle leaving theke y in
th eve hicle, the automatic transmission
re mains in neutral i.
Engaging park position P #
Obser vethe no tes on parking theve hicle
(→ page 175). #
Dep ress the brake pedal until theve hicle is
st ationar y. #
When theve hicle is stationar y,press button
j.
Pa rk position is only engaged when the trans‐
mission position display jis shown in the
multifunction displa y.If no transmission posi‐
tion display jappears, secure theve hicle
to preve nt it from rolling away.
Pa rk position jis engaged automatically if one
of thefo llowing conditions is me t:
R you swit choff the ignition when theve hicle
is stationary and the transmission is in posi‐
tion hork.
R you open the driver's door when theve hicle
is stationary or when driving at a very low Driving and parking
16 5

#
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

R
shifting the automatic transmission out of
park position jor shifting manual trans‐
mission into idle position.
R starting the engine.
In addition, they may operate vehicle equip‐
ment and become trapped. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. *
NO
TEDama getotheve hicle due toit
ro lling away #
Alw ays secure theve hicle against roll‐
ing away. #
Bring theve hicle toast andstill byapplying
th e brake pedal. #
On uphill or downhill gradients, turn the front
wheels so that theve hicle rolls towa rdsthe
ke rb if it starts moving. #
App lythe electric parking brake. #
Vehicles with manual transmission:
engage firs t1 orreve rsege ar k. #
Vehicles with automatic transmission:
engage transmission position jin a station‐
ary vehicle with the brake pedal applied
(→ page 165). #
Switch off the engine and the ignition by
pressing the1 button. #
Release the service brake slowl y. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still
opera tethe side windo wsand the panoramic
sliding sunroof for appro ximately five
minutes if the driver's door is closed. Garage door opener
Prog
ramming buttons for the garage door
opener &
DANG ER Risk of fata l injuries due to
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and can lead topoisoning. 176
Driving and pa rking

R
Onthe Internet at http://
www.homelin k.com.
Opening/closing a garage door
Requ irements:
R The cor responding button is programmed to
operate the door. #
Press and hold buttons 1,2or3 until
th e door opens or closes. #
If indicator lamp 4flashes yellow af ter
appr oximately 20 seconds: press and hold
th e pr eviously pressed button again until the
door opens or closes.
Clearing thega rage door opener memo ry #
Press and hold buttons 1and 3.
Indicator lamp 4lights up yello w. #
If indicator lamp 4flashes green: release
buttons 1and 3.
The entire memo ryhas been dele ted.
Ra dio equipment appr oval numbers for the
ga rage door opener
Ra dio equipment appr oval numbers Brazil
Es te equipamento opera em caráter secundário,
is to é, não tem direito à pr oteção contra inter fer‐
ência prejudicial, mesmo de es tações do mesmo Driving and pa
rking 17 9

App
lying/releasing the electric pa rking
brake manually
Applying #
Push handle 1.
The red! indicator lamp appears in the
instrument clus ter. %
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chthe ignition on. #
Pull handle 1.
The red! indicator lamp in the instru‐
ment clus ter goes out.
Emer gency braking #
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red! indicator lamp appears
in the instrument clus ter. Information on de
tecting dama geon a
pa rked vehicle If a collision is de
tected when theto w- aw ay pro‐
te ction is primed on a loc kedve hicle, you will
re cei vea notification in the multimedia sy stem
when you swit chon the ignition. Yo
u will recei veinformation about thefo llowing
points:
R The area of theve hicle that may ha vebeen
damaged.
R The forc e of the impact.
The following situations can lead toinadver tent
acti vation:
R The pa rked vehicle is mo ved, e.g. in a two-
st or ey garage.
% Deactivate tow- aw ay protection in order to
pr eve nt inadver tent acti vation. If you deacti‐
va te tow- aw ay protection, damage de tection
will also be deactivated.
Sy stem limitations
De tection may be restricted in thefo llowing sit‐
uations:
R The vehicle is damaged without impact, e.g.
if an outside mir ror is torn off or the paint is
damaged byakey.
R Impact occurs at low speed.
R The electric parking brake is not applied. Driving and parking
18 3

fo
ot from the accelerator pedal (Active Dis‐
ta nce Assi stDISTRONIC).
The cur rent driven speed is stored and main‐
ta ined (Active Dis tance Assi stDISTRONIC) or
limited (variable limiter) bytheve hicle.
or #
Toactivate with ast ored speed: press
rock er switch 4up. Remo veyour foot from
th e accelerator pedal (Active Dis tance Assi st
DISTRONIC).
% Ifrock er switch 4is pressed up twice while
driving, Active Dis tance Assi stDISTRONIC or
th eva riable limiter is activated with the
speed restriction displ ayed in the instrument
clus ter.
Ac cepting the displa yed speed restriction
when Distance Assist DISTRONIC or the lim‐
iter is activated #
Press rocker switch 4(RES) up.
The speed limit displa yed in the instrument
clus ter is adopte d asthestored speed. The
ve hicle adapts its speed tothat of theve hicle
in front, but only up tothestored speed. Pulling
away with Active Di stance Assist
DISTRO NIC #
Remo veyour foot from the brake pedal. #
Press rocker switch 4(RES) up.
or #
Depress the accelerator pedal briefly and
fi rm ly.
The functions of Active Dis tance Assi st
DISTRONIC continue tobe car ried out.
Deactivating Active Di stance Assist
DISTRO NIC &
WARNING Risk of accident due toActive
Dis tance Assi stDISTRONIC still being
activated when you lea vethe driver's
seat
If yo u lea vethe driver's seat while theve hicle
is being braked byActive Dis tance Assi st
DISTRONIC only, theve hicle can rollaw ay. #
Alw ays deactivate Active Dis tance
Assi stDISTRONIC and secure theve hi‐
cle topreve nt it from rolling away
before you lea vethe driver's seat. #
Press rocker switch 4(CNCL) down.
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter venes, Active Dis tance Assi st
DISTRONIC is deacti vated.
Increasing or reducing the speed #
Press rocker switch 3up (SET+) or down
(SET-) tothe pressure point.
The stored speed is increased or reduced by
1 km/h.
or #
Press and hold rocker switch 3up/down to
th e pressure point.
The stored speed is increased or reduced in
increments of 1 km/h.
or #
Press rocker switch 3beyond the pressure
point.
The stored speed is increased or reduced by
10 km/h.
or Driving and pa
rking 203

Ac
tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
, © .
Settings .
Assistance .
Act.
lane chan. assist #
Activate or deacti vate the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continues toigno rethewa rning to
put their hands on thesteering wheel, Active
Dis tance Assi stDISTRONIC reduces the speed.
If th e driver still does not respond, theBegin-
ning emergency stop message is shown inthe
multifunction displa y.The vehicle is decelerated
in stages toast andstill. Atspeeds below
60 km/h the hazard warning lights switch on
automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R theve hicle is secured with the electric park‐
ing brake
R Active Dis tance Assi stDISTRONIC is ended
R theve hicle is unloc ked R
if possible, an emer gency call is placed to
th e Mercedes-Benz emer gency call centre
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
R steering
R depressing the brake or accelerator pedal
R pressing a steering wheel button or operating
To uch Control
R activating or deactivating Active Dis tance
Assi stDISTRONIC Overvi
ewofActive Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter The assis
tance graphic and thest atus display
show thest atus of thefo llowing functions in the
instrument clus ter:
R Active Dis tance Assi stDISTRONIC
R Route-based speed adap tation
R Active Steering Assist Assistant display
1
Route-based speed adap tation (type of route
eve nt)
2 Vehicle ahead
3 Distance indica tor
4 Set specified di stance
5 Active Lane Change Assi stlane change dis‐
play 210
Driving and pa rking

During
the transition from the active topassive
st atus, symbol 3is shown as enlar ged and
fl ashes yello w. Once the sy stem is passive, sym‐
bol 1is shown as gr eyinthe multifunction dis‐
pla y. Hill
Start Assist Hill
Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
R Vehicles with automatic transmission: the
transmission is in position hork.
R The electric pa rking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll
aw ay. &
WARNING Risk of accident and inju ry
due totheve hicle rolling away
Af ter a short time, Hill Start Assist no lon ger
holds theve hicle and it can rollaw ay. #
Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist. HOLD function
HOLD function
The HOLD function holds
theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, e.g. while waiting in traf fic.
Sy stem limitations
The HOLD function is only intended toprov ide
assis tance when driving and is not a su fficient
means of safeguarding theve hicle against rolling
aw ay when stationar y.
R The incline must not be greater than 30%. Ac
tivating/deactivating the HOLD function &
WARNING Risk of an accident due tothe
HOLD function being activated when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
R Ifth ere is a malfunction in the sy stem or
in the po wer supply.
R Ifth e HOLD function is deactivated by
depressing the accelerator pedal or brake
pedal, e.g. byave hicle occupant. #
Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. 212
Driving and pa rking