2021 MERCEDES-BENZ A-CLASS SALOON ECU

#
Press the le ver in direction 1(activate) or 2
(deactivate). #
Make sure that thech ild saf ety loc ksare work-
ing proper ly. A
A ctiv
ctiv ating and deactiv
ating and deactiv ating t
ating the c
he child safe
hild safe ty lock
ty lock
f
f or t
or t he r
he r ear side windo ws
ear side windo ws #
T
T o activ
o activ at
ate/deactiv
e/deactiv at
ate:
e: press button 2.
The rear side wind owcan be opened or closed
in thefo llowing cases:
R indicator lamp 1is lit: via the switch on
th e driver's door R
indicator lamp 1is o.: via the switch on
th e cor responding rear door or driver's
door N
No
ot
tes on pe
es on pe ts in t
ts in the v
he vehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury due
to animals leT unsecured or unat tended in
th eve hicle
If yo u lea veanimals in theve hicle unat tended
or unsecured, they could press buttons or
switches, for instance.
An animal ma y:
R activate vehicle equipment and become
trapped, forex ample
R switch systems on or o. and endanger
other road users
Unsecured animals may be thro wn about the
ve hicle in theev ent of an accident, or sudden
steering and braking manoeuvres, and injure
ve hicle occupants. 80 80
Occupant saf
ety

#
Never lea veanimals unat tended in the
ve hicle. #
Always cor rectly secure animals while
driving, e.g. using a suitable animal car-
ri er. Occupant saf
ety
81
81

R
R
emo
emo ving/inser
ving/inser ting t
ting the emerg
he emerg encykey
ency key R R
emo emo ving t
ving t he emerg
he emerg encykey
ency key #
Press release button 1.
Emer gency key2 is pushed out slightl y.#
Pull out eme rgency key2 until it en gage s in
th e intermediate position.
% Depending on theve hicle's equipment, the
intermediate position is not available. #
Press release button 1again and fully
re mo veemer gency key2. Inser
Inser
ting t
ting t he emerg
he emerg encykey
ency key #
Press release button 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages.
% You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. R
R
eplacing t
eplacing t heke
he key batt
y batt ery
ery &
D
DAN
AN GER
GER Risk of fatal injuries due toswal-
lowing batteries
Bat teries contain toxic and cor rosive subs tan-
ces. Swall owing batteries may cause se vere
internal burns tooccur within two hours.
There is a risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e cap and/or the battery compart-
ment does not close securel y,do not use
th eke y any lon ger and keep it out of the
re ach of children. #
If batteries are swallo wed, seek medical
attention immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner.
Ta ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. R
R
eq
eq uir
uir ements:
ements:
R Youre qu ire a CR 2032 3 V cell batter y.84
84
Opening and closing

*
N
N O
OTE
TE Damage tothe boot lid byobstacles
abo vetheve hicle The boot lid swings upwards when it is
opened. #
Therefore, make sure that there is su1-
cient clearance abo vethe boot lid. #
Pull the boot lid handle. #
V
Vehicles wit
ehicles wit h HANDS-FREE A
h HANDS-FREE A CCESS:
CCESS:make a
kicking mo vement with your foot below the
bumper (/ page 92). #
Pull remo teoperating switch 1until the boot
lid opens.
or #
Press and hold thep button on thekey. Closing t
Closing t
he boo
he boot lid
t lid &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip
ov er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug-
ga ge or loads against slipping or tipping
ove r. Obser
vethe no tes on loading theve hicle.
N No ot
tes on closing t
es on closing t he boo
he boot lid:
t lid:your vehicle is
equipped with automatic keyre cognition. If a key
belonging totheve hicle is de tected in theve hicle,
th e boot lid will not be loc ked and will pop open
again. Opening and closing
91
91

When making
the kicking mo vement, make sure
th at you are standing /rmly on thegr ound. Yo u
could otherwise lose your balance, e.g. on ice.
Obser vethefo llowing no tes:
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
slo wly.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. 1
Detection range of the sensors
If se veral consecutive kicking mo vements are not
successful, waitte n seconds.
Syst
Syst em limits
em limits
The system may be impai red or may not function
in thefo llowing cases:
R The sensors are dirty, e.g. due toroad salt or
sno w.
R The kicking mo vement is made using a pros-
th etic leg. The boot lid could be opened unintentionall
y,in
th efo llowing situations:
R A person's arms or legs are moving in the sen-
sor de tection range, e.g. when polishing the
ve hicle or picking up objects.
R Objects are mo ved or placed behind theve hi-
cle, e.g. the fuel pump hose, charging cable or
lug gage.
R Clamping straps, tarp aulins or other co verings
are pulled overth e bumper.
R A pr otective mat with a length reaching over
th e boot sill down into the de tection range of
th e sensors is used.
R The pr otective mat is not secured cor rectl y.
R Workis being done on the trailer hitch, trailers
or rear bicycle rack s.
Deacti vate the function of theke y (/ page 83) or
do not car rytheke y about your person in such
situations. Opening and closing
93
93

#
T
To call up:
o call up: press and brie0y hold one of preset
position buttons 4,TorU.
ATer releasing the button, all systems are
mo ved into the stored position. S
S
t
to
o w
w ag
ag e ar
e ar eas
eas N
No
ot
tes on loading t
es on loading t he v
he vehicle
ehicle &
D
DAN
AN GER
GER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the boot
lid is open when theve hicle is running, espe-
cially if theve hicle is in motion. #
Always switch o. theve hicle before
opening the boot lid. #
Never drive with the boot lid open. &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip ov
er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug-
ga ge or loads against slipping or tipping
ove r. &
W WARNI NG
ARNI NGRisk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
and hit vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone brac kets cannot alw aysreta in all
objects they contain.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around in such
situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot. V
V
ehicles wit
ehicles wit h aut
h automatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag
shut
shut o.:
o.:objects trapped under the front
passenger seat may inter fere with the function of
th e automatic front passenger airbag shuto. or
damage the system. Please obser vethe no tes on
th e function of the automatic front passenger air-
bag shuto. (/ page 56).118
118
Seats and st
owing

&
W
W ARNI NG
ARNI NG‑ Risk of accident or injury
when using the cup holder while theve hi-
cle is in motion
The cup holder cann othold a container secure
while theve hicle is in motion.
If yo u use a cup holder while theve hicle is in
motion, the container may be 0ung around
and liquids could be spilled. The vehicle occu-
pants may come into contact with the liquid
and if it is hot, they could be scalded. Yo u
could be distracted from tra1c conditions and
yo u may lose control of theve hicle. #
Only use the cup holder when theve hicle
is stationar y. #
Only use the cup holder for containers of
th eright size. #
Always close the container, particular lyif
th e liquid is hot. *
N
NO OTE
TE Damage tothe cup holder When
there ar armrest is folded back the cup
holder could become damaged. #
Only fold there ar armrest back when the
cup holder is closed. *
N
NOOTE
TE Damage tothere ar armrest due to
body weight When
folded out, there ar armrest can be
damaged bybody weight. #
Do not sit or support yourself on there ar
seat armrest. &
W
WARNING
ARNING ‑ Risk of /re and injury from the
hot cigar ette lighter
Yo u can burn yourself if youto uch the hot
heating element or the soc ket of the cigar ette
lighter.
In addition, 0ammable materials may ignite if:
R you drop the hot cigar ette lighter
R ach ild holds the hot cigar ette lighter to
objects, forex ample #
Always hold the cigar ette lighter bythe
knob. #
Always make sure that the cigar ette
lighter is out of reach of children. #
Never lea vechildren unattended in the
ve hicle. &
W WARNING
ARNING Risk of burns from theta ilpipe
and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could burn
yo urself. #
Always be particular lycareful around the
ta ilpipe and theta ilpipe trims and super-
vise children especially closely in this
area. #
Allow vehicle parts tocool down before
to uching them. Seats and st
owing
119
119

The driving
characteristics of your vehicle are
dependent on the distribution of the load within
th eve hicle. You should bear thefo llowing in mind
when loading theve hicle:
R neverex ceed the permissible gross mass or
th e permissible axle loads forth eve hicle
(including occupants).
Information can be found on theve hicle identi-
/cation plate (/ page 384).
R the load must not pr otru de abo vethe upper
edge of the seat backrests.
R always place the load behind unoccupied
seats if possible.
R secure the load using the tie-down eyes and
distribute the load evenl y.
No tes on driving with a roof load
R Evenly dist ribute thero of load, and place
heavy objects at the bottom. Also comply with
th e no tes on loading theve hicle
(/ page 118).
R Drive attentivel y,and avoid suddenly pulling
awa y,braking and steering as well as rapid
cornering. R
When transporting roof loads and when the
ve hicle is fully loaded or fully occupied, select
drive prog rams ; andA. These are
designed tofocus on stability (/ page 172).
% For more information on st owage compart-
ments and st owage areas, please referto the
Digital Owner's Manual. S
S
t
to
o w
w ag
ag e spaces in t
e spaces in t he v
he vehicle int
ehicle int er
er ior
ior Ov
Ov
er
ervie
vie w of t
w of t he fr
he front st ow
ont st owag
age com
e com par
partments
tments 1
Stow age spaces in the doors
2 Stow age compartment in the armrest with a
multimedia and USB connection 3
Stow age compartment in the front centre
console with a USB port
4 Glovecompartment Thr
Thr
ough-loading f
ough-loading f eatur
eature in t
e in the r
he r ear benc
ear benc h seat
h seat
(EASY
(EASY -PAC
-P AC K Quic
K Quic kf
kfold)
old) F
F
olding t
olding t he r
he rear seat bac
ear seat bac kr
kres
est f t forw
orw ar
ards
ds &
W
WARNI NG
ARNI NGRisk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat bac k-
re st ma yfo ld forw ards, even while theve hicle
is in motion.
R As a result, theve hicle occupant will be
pressed into the seat belt with increased
fo rc e. The seat belt will not be able topro-
te ct as intended and could cause addi-
tional injur y.
R Objects or loads in the boot or load com-
partment cannot be restrained bythe seat
backrest. 120
120
Seats and st
owing