#
T
To switc
o switc h on t
h on the pow
he pow er supply
er supply :
:press button
1 once.
Yo u can, forex ample, switch on the wind-
screen wiper.
The po wer supply is switched o. again if thefo l-
lowing conditions are met:
R you open the driver's door.
R you press button 1twice more. #
T
To switc
o switc h on t
h on the v
he vehicle:
ehicle: press button 1
twice.
Indicator and warning lamps light up on the
inst rument clus ter.
The vehicle is switched o. again if one of thefo l-
lowing conditions is met:
R you do not start theve hicle within 15 minutes
and the transmission is in position jorthe
electric parking brake is applied.
R you press button 1once. S S
t
tar
ar ting t
ting t he v
he vehicle
ehicle S
S
t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the st
he st ar
art/st
t/st op butt
op butt on
on &
D
DAN
AN GER
GER Risk of fatal injuries due to
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Breathing in
th ese exhaust gases is hazardous tohealth
and results in poisoning. #
Never lea vethe engine and, if present,
th e stationary heater, running in an
enclosed space without su1cient venti-
lation. &
W
WARNI NG
ARNI NGRisk of /re due to0ammable
material in the engine compartment or the
ex haust system
Flammable materials may ignite. #
Therefore, check regula rly th at there are
no 0ammable materials in the engine
compartment or on theex haust system. R
R
eq
eq uir
uir ements:
ements:
R theke y is in theve hicle and is recognised. #
ShiT the transmission toposition jori. #
Depress the brake pedal and press button 1
once. #
Ifth eve hicle does not start: switch o. non-
essential consumers and press but ton1
once. #
Ifth eve hicle still does not start and thePlace
the key in the marked space See Owner's
Manual display message appears on the
inst rument displa y: starttheve hicle with the
ke y in the mar ked space (emer gency ope ra-
tion mode) (/ page 159).
% You can switch o. theve hicle while driving. To
do this, press button 1for about thre e sec-
onds or press button 1thre e times within
th re e seconds. Be sure toobser vethe saf ety
no tes conce rning this under "Driving tips"
(/ page 162).
Obser veany information rega rding display mes-
sages that may be displ ayed on the inst rument
displa y. 158 158
Driving and parking
S
S
t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the ke
he key in t
y in t hestow
he st owage
age
com
com par
partment (emerg
tment (emerg ency oper
ency operation mode)
ation mode)
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the inst rument displa y,you
can start theve hicle in emer gency ope ration
mode. #
Make sure that mar ked space 2is em pty. #
Remo vekey1 from theke yring. #
Place key1 in mar ked space 2.
The vehicle will start aTer a short time.
If yo ure mo vekey1 from mar ked space 2,
th eve hicle can still be driven. For fur ther engine starts ho
wever,key1 must be loca-
te d in mar ked space 2during the entire jour-
ne y. #
Have key1 checked at a quali/ed specialist
wo rkshop.
If t
If t he v
he v ehicle does no
ehicle does no t st
t start:
art: #
Place key1 in mar ked space 2and lea veit
th ere. #
Depress the brake pedal and start theve hicle
using the start/s top button.
% You can switch on the po wer supply or the
ve hicle with the start/s top button.
Obser veany information rega rding display mes-
sages that can be displ ayed on the inst rument
displa y. S
S
t
tar
ar ting t
ting t he v
he vehicle via R
ehicle via R emot
emote Online Ser
e Online Ser vices
vices Cooling or heating t
Cooling or heating t
he v
he vehicle int
ehicle int er
erior bef
ior bef ore
ore
st
st ar
ar ting t
ting t he jour
he jour ney
ney
Ensu rethefo 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 su1cient lyfull.
R The star ter battery is su1ciently charge d.
Char
Char ging t
ging t he st
he start
arter batt
er batt er
ery bef
y bef or
or e st
e st ar
arting t
ting t he
he
jour
jour ney
ney
Yo u can receive a message on your smartphone
when the state of charge ofthe star ter battery is
lo w. You can then start theve hicle with the smart-
phone tocharge the batter y.The vehicle is auto-
matically switched o. aTer ten minutes.
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. Driving and parking
159
159
Syst
Syst
em limits
em limits
Pa rking Assist PARKTRONIC does not necessarily
ta ke into account thefo llowing obstacles:
R Obstacles below the de tection range, e.g. per-
sons, animals or objects.
R Obstacles abo vethe de tection range, e.g.
ov erhanging loads, overhangs or loading
ra mp s of lor ries.
R Pedest rians or animals approaching theve hi-
cle from the side.
R Objects placed next totheve hicle
Obs tacles on the sides are not shown in thefo l-
lowing situations, forex ample:
R You park theve hicle and switch it o..
R You open the doors.
ATer an engine start, obstacles must be de tected
again bydriving past them before a warning can
be issued.
Obser vethe information on vehicle senso rsand
cameras; the system otherwise cann otfunction
proper ly (/ page 188). V
V ehicles wit ehicles wit h tr
h trailer hitc
ailer hitc h:
h:Parking Assist
PA RKTRONIC is deactivated forth ere ar zone
when you establish an electrical connection
between your vehicle and a trailer.
Pr
Pr oblems wit
oblems wit h P
h Par
ar king Assis
king Assis t P
t PARK
ARK TR
TRONIC
ONIC 1
Vehicles with 360° Camera
2 Vehicles without 360° Camera
If th ePa rking Assist PARKTRONIC display lights
up redfo r appr oximately thre e seconds then goes
out, and theé symbol appears in the inst ru-
ment cluster, the system may ha vebeen deactiva-
te d due tosignal inter fere nce. Start theve hicle again and
check if Parking Assist PARKTRONIC is
wo rking at a di.erent location.
If th eé symbol appears in the inst rument
cluster and a warning tone sounds, it may be due
to one of thefo llowing causes:
R The sensor
The sensor s ar
s are dir
e dir ty
ty:
:clean the sensors and
obser vethe no tes on care of vehicle parts
(/ page 315).
R P
P ar
ar king Assis
king Assis t P
t PARK
ARK TR
TRONIC has been deacti-
ONIC has been deacti-
v
v at
at ed due t
ed due t o a malfunction:
o a malfunction: restart theve hi-
cle. If the problem persists, consult a quali/ed
specialist workshop.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating P
ating Par
arking Assist
king Assist
P
P ARK
ARK TR
TR ONIC
ONIC
* NO
NOTE
TERisk of an accident from objects at
close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When parking or manoeuvring theve hi-
cle, pay particular attention toany
objects which are abo veor below the
senso rs, e.g. 0o werpots or dr awbars. 234
234
Driving and parking
R
Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is oTen leT idling for long
periods
R Operation in particular lydusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air /lter, air /lter, engine oil and oil /lter,
fo rex ample, changed more frequentl y.Check the
tyres more frequently if theve hicle is operated
under increased st ress. Further information can
be obtained at a quali/ed specialist workshop. Batt Batt
er
ery disconnection per
y disconnection per iods
iods The AS
SYST PLUS service inter val display can cal-
culate the service due date only when the battery
is connected. #
Display and no tedown the service due date
on the inst rument display before disconnect-
ing the battery (/ page 305). Engine com
Engine com
par
partment
tment A
A
ctiv
ctiv e bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otection)
ection) Oper
Oper
ation of t
ation of t he activ
he active bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otec-
ec-
tion)
tion)
In cer tain accident situations, the actuation of the
active bonnet reduces therisk of injury topedes-
trians. The rear area of the bonnet is raised by
appr oximately 80 mm.
ATer being triggered, the active bonnet remains in
th era ised position. Limited visibility due tothe
ra ised bonnet cannot be ruled out.
ATer the active bonnet has been actuated, pedes-
trian pr otection may be limited.
Ha ve the full functionality of the active bonnet
re stored immediatel y in aquali/ed specialist
wo rkshop.
If necessar y,adjust your seat position and drive
carefully toaqu ali/ed specialist workshop. If a
safe continued jou rney is not possible, contact a
qu ali/ed specialist workshop. Opening and closing t Opening and closing t
he bonnet
he bonn et &
W
WARNI NG
ARNI NGRisk of accident due todriving
with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine
bonnet is loc ked. &
W
WARNING
ARNING Risk of accident and inju ry
when opening and closing the bonnet
The bonnet may suddenly drop into the end
position.
There is a risk of injury for an yone in the
engine bonnet's range of mo vement. #
Do not open or close the bonnet if there
is a person in the bonnet's range of
mo vement. 306 306
Maintenance and care
On-board computer:
4 Service 5
Engine oil level
One of thefo llowing message s will appear onthe
inst rument displa y:
R Engine oil level Measuring now: measu rement
of the oil le vel is not yet possible. #
Repeat there qu est aTer a maximum of
30 minutes' driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the inst rument dis-
play is green and is between "min" and "max":
th e oil le vel is cor rect.
R Engine oil level Add 1,0 l andthe bar display
fo r indicating the oil le vel on the inst rument
display is orange and is below "min": #
Add 1 l of engine oil.
R Reduce engine oil level andthe bar display for
indicating the oil le vel on the inst rument dis-
play is orange and is abo ve"max": #
Drain o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
R For engine oil level turn on ignition #
Switch on theve hicle tocheck the engine oil
le ve l.
R Engine oil level System inoperative: The oil
leve l sensor is defective or not connected. #
Consult a quali/ed specialist workshop.
R Engine oil level System currently unavail. #
Close the bonnet.
T T op up engine oil
op up engine oil &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of /re and injury from
engine oil
If engine oil comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Make sure that no engine oil is spilled
next tothe /ller opening. #
Allow the engine tocool o. and thor-
oughly clean the engine oil from compo-
nent parts before starting theve hicle. *
N
NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters which
do not cor respond tothe speci/cations
ex plicitly prescribed forth e service inter-
va ls. #
Follow the inst ructions on the service
inter val display forch anging the engine
oil and obser vethe prescribed change
inter vals. #
Do not use additives. Maintenance and care
309 309
*
N
NO
OTE
TE Damage caused bytopping up too
much engine oil To
o much engine oil can damage the engine or
th e catalytic con verter. #
Have excess engine oil remo ved at a
qu ali/ed specialist workshop. %
Depending on driving st yle, theve hicle con-
sumes up to0.8 litre of oil per 1000 km. The
oil consum ption may be higher than this when
th eve hicle is new or if you frequently drive at
high engine speeds. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again (/ page 308). Chec
Chec
king t
king t he coolant lev
he coolant lev el
el &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of scalding from hot cool-
ant
If yo u open the cap, you could be scalded. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wear pr otective
glo ves and saf ety glasses. #
Open the cap slo wlytorelease pressure. 310
310
Maintenance and care
#
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display on the
inst rument displa y.
The coolant temp erature must be below 70°C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. #
Continue turning cap 1anti-clockwise and
re mo veit. The coolant le
vel is cor rect in thefo llowing cases:
R Ifth e engine is cold, the coolant is up to
mar ker bar 2.
R Ifth e engine is warm,th e coolant is up to
1.5 cm overth e mar ker bar 2. #
If necessar y,re/ll with coolant that has been
appr ovedfo r Mercedes-Benz.
% Further information on coolant (/ page 370) T
T
opping up t
opping up t he windscr
he windscreen w
een washer syst
asher syst em
em &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concent rate spills out next tothe /ller
opening. Maintenance and care
311 311
*
N
NO
OTE
TE Damage and malfunctions due to
impurities in AdBlue ® Consequences of impurities in
AdBlue ®
:
R increased emission values
R damage tothe catalytic con verter
R NOx exhaust gas aTertreatment malfunc-
tions #
Avoid impurities in AdBlue ®
. Ad
Blue ®
residues cr ystallise aTer a period of
time, and contaminate the sur faces with which
th ey come into contact. Clean the dirty sur faces
with water as soon as possible.
When you open theAd Blue ®
tank, small amounts
of ammonia vapour may escape. Do not inhale
any ammonia vapours that may be released. Only
/ll theAd Blue ®
tank in well-ventilated areas. A
A dBlue
dBlue ®
®
/lling
/lling capacity and consump
capacity and consump tion
tion
Tot
Tot al capacity of A
al capacity of A dBlue
dBlue®
®
t
tank
ank Model
Tot
Mode lT otal capacity
al capacity
All model s2 5 litres A
A
dBlue
dBlue ®
®
consump
consump tion
tion
The average AdBlue ®
consu mption is between 1%
and 5% of fuel consum ption. Like fuel consump-
tion, AdBlue ®
consu mption is high lydependent
upon driving style and operating conditions. For
th is reason, your vehicle's actual consu mption /g-
ures in da y-to -day operating conditions may di.er
from the consum ption /gures calculate d. The fre-
qu ency at which you will ha veto to p up AdBlue ®
will also vary. Ha vetheAd Blue ®
supply checked
at a quali/ed specialist workshop before making
jou rney s outside Europe. Before a lon ger st ayout-
side Europe, consult a quali/ed specialist work-
shop.
A A dBlue
dBlue ®
®
r
rang
ang e and
e and /ll
/lllev
level
el
Yo u can ha vetheAd Blue ®
range and le vel dis-
pla yed on the driver's displa y. %
The AdBlue ®
range sh own is high lydependent
upon driving style and operating conditions.
The actual range therefore may deviate from
th era nge cur rently displa yed on the driver's
displa y.
The information supplied in the Owner's Manual
re ga rding there ser vequantity at the /r stwa rning
on the driver's display and the minimum top-up
qu antity when theAd Blue ®
tank is em pty is also
to be understood as guide values. Engine oil
Engine oil
N
No
ot
tes on engine oil
es on engine oil
Obser vethe no tes on operating 0uids
(/ page 363). 368
368
Te
ch nical data