
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 su fficiently full.
St arting theve hicle (Remo teOnline) &
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 005Dis selected.
R The anti- theft alarm sy stem is not activated.
R The panic alarm is not activated. R
The hazard warning light sy stem is 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.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start the engine
with theke y before trying tostart the engine
again with the smartphone.
Yo u can swit choff the engine at any time as fol‐
lo ws:
R Viath e Smartphone App
R By pressing theÜ orß button on the
key
% 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 light sy stem.
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 Do not drive at speeds greater than
14 0 km/h.
R Drive theve hicle in drive program A
or ;.
R Shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter.
R Do not shift down a gear manually in order to
brake. Driving and parking
16 5

Overview of
the MBUX Interior Assistant &
WARNING Risk of injury fromthe cam‐
era's laser radiation
This product uses a classification 1 laser sys‐
te m. If the housing is opened or damaged,
laser radiation may damage your retina. #
Do not open the housing. #
Alw ays ha vemaintenance workand
re pairs car ried out byaqu alified spe‐
cialist workshop. This device is a class 1 laser product in accord‐
ance with DIN EN 60825-1:20
14
The camera is located in theove rhead control
panel.
If th eve hicle is fitted wi th the MBUX Interior
Assis tant, selected functions of the multimedia sy
stem can be operated conta ct-free. The MBUX
Interior Assi stant can dif fere ntia tebetween
driver and front passenger interactions and
de tects specific hand positions (poses).
Sy stem limits, display messages and no tes
fo rre ctification
The sy stem may be impaired or may not function
in thefo llowing situations:
R The camera in theove rhead control panel
may heat up due tooperating conditions. As
a re sult the camera may switch off temp ora‐
ri ly , particular lyduring longer periods of
operation and at high outside temp eratures.
Do not touch or co verth e camera and wait
until the camera has cooled down and is
av ailable again. R
The camera is co vered or dirty, mis ted up or
scratched.
Wa it until the camera has cooled down
before cleaning the camera lens.
Clean the outside of the camera lens with a
dry or damp cotton clo th. Do not use microfi‐
bre clo ths. Do notremo vethe co ver when
cleaning.
R Recognition can be impaired byreflective
clo thing, an adverse colour of clo thing or by
accesso ries, forex ample.
R Clothing being worn(hat, shawl, scarf) may
be limiting the de tection area of the camera.
Ke ep the camera's field of vision clear.
R The camera is not operational.
Consult a Mercedes-Benz service cent re.288
MBUX multimedia sy stem

#
Select Call.
R Afteryo ur agreement, or if the Mercedes
me connect service "Accident and Break‐
down Management" is active, theve hicle
data is transfer red automatically
(/ page 309).
R The Mercedes-Benz Cus tomer Centre
ta ke syo ur call and or ganises the break‐
down and accident assis tance.
Yo u may be charge dfo rth ese services.
% Depending on the se verity of the accident,
an automatic emer gency call can be initi‐
ated. This has prio rity over all other active
calls.
% In addition, if the Mercedes me connect
service "Telediagnostics" is active, a similar
prom ptcan appear af ter a delay in theeve nt
of a breakdown. If you are already in contact
with the Mercedes-Benz Cus tomer Centre or
ha ve already recei ved support, this prom pt
can be igno red or declined.
% Ifyo u ans werth e prom ptfor support from
th e Mercedes-Benz Cus tomer Centre with Later,
the message will be hidden and
appear again later.
The prom pttrig geredby the Mercedes me
connect service "Telediagnostics", can either
be confi rmed or declined. Af ter being
declined, this will not be shown again.
Ar ranging a service appointment via a
Mercedes me call
If yo u ha veactivated the maintenance manage‐
ment service, releva nt vehicle data is transfer red
automatically tothe Mercedes-Benz Cus tomer
Centre. You will then recei veindividual recom‐
mendations rega rding the maintenance of your
ve hicle.
Re gardless of whe ther you ha veconsented to
th e maintenance management service, the multi‐
media sy stem reminds you af ter a cer tain
amount of time that a service is due. A prom pt
appears asking if youwo uld like tomake an
appointment. #
Toarra nge a service appointment: select
Call .
Af teryo ur agreement, theve hicle data is
transfer red and the Mercedes-Benz cus tomer centre
take syo ur prefer red appointment
date. The information is then sent to your
desired service outlet.
This will contact youto confirm the appoint‐
ment and if necessary consult about the
de tails.
% Ifyo u select Laterafte rth e service message
appears, the message is hidden and reap‐
pears at a later time.
Giving consent todata transfer during a
Mercedes me call
Re quirements:
R There is an active Mercedes me call via the
multimedia sy stem or the me button in the
ov erhead control panel (/ page310).
% The prom pttoconfirm da tatrans fer does
not appear in all countries.
If th eAc cident and Breakdown Management
services are not acti vated on Mercedes me, the
Do you want to transmit vehicle data and the
vehicle's position to the Mercedes-Benz Cus-
tomer Centre in order to improve the process-
ing of your request? messageis shown. 312
MBUX multimedia sy stem

ASS
YST PLUS se rvice inter val display Fu
nction of the ASS YST PLUS se rvice inter val
displ ay The ASS
YST PLUS service inter val display on the
instrument display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hide this service display using the back
button on the left-hand side of thesteering
wheel.
Depending on how theve hicle is used, the
ASS YST PLUS service inter val display may
shor tenth e service inter val, e.g. in thefo llowing
cases:
R mainly short-dis tance driving
R when the engine is of ten le ftidling for long
periods
R intheeve nt of frequent cold start phases
R vehicles with a diesel particulate filter: in
th eev ent of frequently inter rupted rege nera‐
tion of the diesel particulate filter Mercedes-Benz
recommends avoiding such
operating conditions.
Yo u can obtain information concerning the serv‐
icing of your vehicle from a qualified specialist
wo rkshop, e.g. a Mercedes-Benz Service Centre. Displaying
the service due da te On-board computer:
4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
Toexitth e displa y:press the back button
on the left-hand side of thesteering wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board computer
(/ page 278). Infor
mation on regular maintenance work *
NO
TEPremature wearthro ugh failure to
obser veservice due dates Maintenance
workwhich is not car ried out at
th eright time or incomple tely can le adto
inc reased wear and damage totheve hicle. #
Adhere tothe prescribed service inter‐
va ls. #
Alw ays ha vethe prescribed mainte‐
nance workcar ried out at a qualified
specialist workshop. Note
s on special service requ irements The prescribed service inter
val is based on nor‐
mal operation of theve hicle. Ha vethe mainte‐
nance workcar ried out more of tenth an presc ri‐
bed if operating conditions are dif ficult or the
ve hicle is subject toinc reased stre ss.
The ASS YST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsi‐
bility as rega rdsto whe ther maintenance work
needs tobe per form ed more of tenth an speci‐ Main
tenance and care 333

fi
ed based on the actual operating conditions
and/or loads.
Examples of arduous operating conditions:
R Regular city driving with frequent intermedi‐
ate stops
R Mainly short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is of ten le ftidling for long
periods
R Operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, air filter, engine oil and oil filter,
fo rex ample, changed more frequent ly. The tyres
must be checked more frequently if theve hicle
is operated under increased loads. Further infor‐
mation can be obtained at a qualified specialist
wo rkshop. Battery disconnection periods
The ASS
YST PLUS service inter val display can
calculate the service due date only when the
battery is connec ted. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (/ page 333). Engine compartment
Opening and closing
the bonnet &
WARNING Risk of accident due todriv‐
ing with the bonn etunlo cked
The bonn etmay open and block your vie w. #
Neverre lease the bonn etwhen driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing the bonn et
The bonnet may suddenly drop into the end
position. There is a
risk of injury for an yone in the
engine bonn et's range of mo vement. #
Do not open or close the bonn etifth ere
is a person in the bonn et's range of
mo vement. &
WARNING Risk of burn s when opening
th e bonn et
If yo u open the bonn etwhen the engine has
ove rheated or when there is a fire inthe
engine compartment, thefo llowing situations
may occur:
R You could come into contact with hot
ga ses.
R You could come into contact with other
hot, escaping operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the bonn etclosed and
call thefire service. 334
Maintenance and care

&
WARNING Risk of injury duetomoving
parts
Components in the engine compartment may
continue running or start up sudden ly,even if
th e ignition is switched off.
Make sure of thefo llowing before per form ing
ta sks in the engine compartmen t:#
Switch the ignition off. #
Neverre ach into the danger zone sur‐
ro unding moving co mponents, e.g. the
ro tation area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of injury fromtouching
co mp onents under voltage
The ignition sy stem and the fuel injection
sy stem workunder high voltage. You could
re cei vean electric shoc k. #
Neverto uch co mponents of the ignition
sy stem or the fuel injection sy stem
when the ignition is switched on. The live components include
thefo llowing, for
ex ample:
R ignition coils
R fuel injectors
R electric lines tothe ignition coils or the fuel
injec tors &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Risk of injury from usingthe
windscreen wipers while the engine bon‐
net is open
When the engine bonn etis open, and the
windscreen wipers are set in motion, you can
be trapped bythe wiper linkage. #
Alw ays switch off the windscreen wip‐
ers and ignition before opening the
engine bonn et. *
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Maintenance and care
335

Opening
the bonnet #
Torelease the bonn et, pull on handle 1. #
Push handle 1ofthe bonn etcatch up wards
and lift the bonn etuntil it opens automati‐
call y.
Closing the bonnet
* NO
TEDama getothe bonn et If
th e bonn etis closed manuall y,there is a
ri sk of dents. #
Do not close the bonn etmanually. #
Lowe rth e bonn etto a height of around
20 cm and then allow it tofall, applying a lit‐
tle forc e as you let it go. #
Ifth e bonn etcan still be lif ted slightl y,open
th e bonn etagain and close it with a little
more forc e until it engages cor rectly. Engine oil
Che
cking the engine oil le vel using the on-
board compu ter
Re quirements:
R The engine has been warmed up.
R The vehicle is par ked on a le vel sur face.
R The engine is running at idle speed.
R The bonnet is closed.
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style. 336
Maintenance and care

On-board computer:
4 Service 5
Engine oil level
One of thefo llowing messages will appear on
th e multifunction display:
R Engine oil level Measuring now : measure‐
ment of the oil le vel is not yet possible. #
Repeat there qu est af ter a maximum of
30 minutes' driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the multifunction
display is green and is between "min" and
"max": the 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 multifunc‐
tion display is orange and is below "min": #
Add 1 l of engine oil.
R Reduce engine oil level andthe bar display
fo r indicating the oil le vel on the multifunc‐
tion display is orange and is abo ve"max": #
Drain off any excess engine oil that has been
added. Todo so, consult a qualified specialist
wo rkshop.
R For engine oil level turn on ignition #
Switch on the ignition tocheck the engine oil
le ve l.
R Engine oil level System inoperative : The oil
le ve l sensor is defective or not connecte d. #
Consult a qualified specialist workshop.
R Engine oil level System currently unavail. #
Close the bonn et.
To pping up engine oil &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact with hot
component parts in the engine compart‐
ment, it may ignite. #
Make sure that no engine oil is spilled
next tothefiller opening. #
Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle. *
NO
TEEngine damage causedbyan
incor rect oil filter, incor rect oil or addi‐
tives #
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. #
Follow the instructions on the service
inter val display forch anging the engine
oil and obser vethe prescribed change
inter vals. Maintenance and care
337