2021 MERCEDES-BENZ V-CLASS ignition

N
N
o
ot
tes on maint
es on maint enance
enance
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmentally
pollution from disposal not in an environ-
mentally responsible manner If,
for operating reasons, individual mainte-
nance workis car ried out under your own
direction, the environmental pr otection
re qu irements must be obser ved. When dispos-
ing of operating 0uids, e.g. engine oil, the legal
re qu irements must be obser ved. This also
a.ects all parts that ha vecome into contact
with operating 0uids, e.g. /lters. #
Dispose of em pty con tainers, cleaning
clo ths and care products in an environ-
mentally responsible manner. #
Follow the inst ructions for use of care
products. #
Do not allow the engine torun longer
th an necessary when stationar y.When
working on theve hicle, comply with all
saf etyre gulations, such as the operating inst ruc-
tions, regulations concerning hazardous materials,
environmental pr otection measures, worksaf ety
and accident pr evention regulations.
Yo u must secure theve hicle on jack stands of suf-
fi cient load capacity if workis being car ried out
underneath theve hicle.
Please also referto the no tes about quali/ed spe-
cialist workshops (/ page 24).
The scope and regularity of the inspection and
maintenance workprimarily depend on the oTen
diverse operating conditions.
Yo u can obtain fur ther information concerning the
servicing of your vehicle from a quali/ed specialist
wo rkshop, e.g. a Mercedes-Benz Service Centre.
Yo u will /nd information about operating 0uids
appr ovedfo r Mercedes-Benz and capacities under
"Operating Fluids and Capacities" (/ page 271).
Obser vethe information under "Mercedes-Benz
GenuineParts" (/ page 16). Ser
Ser
vice int
vice int erv
erval display
al display Ser
Ser
vice int
vice int erv
erval displa
al displa y function
y function The ASS
YST PLUS service inter val display on the
inst rument cluster display pr ovides information on
th ere maining time or distance before the next
service due date. Under arduous operating conditions or if
theve hi-
cle is subjected toincreased loads, the ASS YST
PLUS service inter val display may shor tenthe
service inter val.
Yo u can obtain fur ther information concerning the
servicing of your vehicle from a quali/ed specialist
wo rkshop. Displa
Displa
ying t
ying the ser
he ser vice due date
vice due date R
R
eq
eq uir
uir ements
ements
R The ignition is switched on.
On-board computer: 4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
T
To e
o e xit t
xit t he display
he display: :press thea or%
steering-wheel button. Inf
Inf
or
ormation on r
mation on r egular maint
egular maint enance w
enance work
ork *
N
NOOTE
TE Premature wearthro ugh failure to
obser veservice due dates Main
tenance workwhich is not car ried out at
th eright time or incomple tely can lead to
increased wear and damage totheve hicle. #
Adhere tothe prescribed service inter-
va ls. #
Always ha vethe prescribed maintenance
wo rkcar ried out at a quali/ed specialist
wo rkshop. N
No
ot
tes on special ser
es on special ser vice r
vice req
equir
uir ements
ements The prescribed service inter
val is based on normal
ve hicle use. Main tenance workwill need tobe per-
fo rm ed more oTen than prescribed if theve hicle is
operated under arduous operating conditions or
increased loads.
Arduous operating conditions include:
R regular city driving with frequent intermediate
stops
R frequent short-distance driving
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 Maintenance and care
223 223

In
these or similar operating conditions, ha vethe
air /lter, engine oil and oil /lter, forex ample,
re placed more frequentl y.
If th eve hicle is subjected toincreased loads, the
tyres must be checked more frequentl y.Yo u can
obtain fur ther information at a quali/ed specialist
wo rkshop. N
Non-oper
on-oper ational times wit
ational times wit h t
h the batt
he batt er
ery disconnec-
y disconnec-
t
t ed
ed 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
th e inst rument cluster before disconnecting
th e battery (/ page 223). Engine com
Engine com
par
par tment
tment Opening and closing t
Opening and closing t
he bonnet
he bonnet &
W
WARNING
ARNING Risk 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 injury
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. &
W WARNING
ARNING Risk of injury from touching
components under voltage
The ignition system and the fuel injection sys-
te m wo rkunder high voltage. You could receive
an elect ric shoc k. #
Neverto uch components of the ignition
system or the fuel injection system when
th e ignition is switched on. The
following are examples of live components:
R Ignition coils
R Spark plug connectors
R Injectors &
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. *
N
NOOTE
TE Damage tobonnet or windscreen
wipers when opening the bonnet If
th e windscreen wipers ha vebeen folded
back from the windscreen when the bonnet is
opened, the windscreen wipers or the bonnet
may be damaged. #
Ensure that the windscreen wipers ha ve
not been folded back from the wind-
screen. Opening t
Opening t
he bonnet
he bonnet #
Pull the handle 1torelease the bonnet. 224
224
Maintenance and care

#
Reach into thega p, push le ver2 ofthe bon-
net catch tothe leT and liT the bonnet.
When the bonnet has opened around 40 cm, it
will be automatically opened and held bythe
ga s pressure spring dampers.
Closing t
Closing t he bonnet
he bonn et &
W WARNI NG
ARNI NGRisk of /re due to0ammable
materials in the engine compartment or on
th eex haust system
Flammable materials may ignite. #
Ensure that there are no 0ammable
ex tern al materials in the engine compart-
ment or on theex haust system aTer
maintenance workhas been car ried out. *
N NOOTE
TE Damage tothe bonnet due topress-
ing it closed manually Pushing
the bonnet closed with your hands
could damage it. #
Toclose the bonnet, let it drop from the
speci/ed height. #
Lowe rth e bonnet and let it fall from a height of
appr oximately 30 cm, applying a little forc e as
yo u let it go. #
Ifth e bonnet remains slightly open, open it
again and let it fall, applying slightly more force
as you let it go, until it engages. Engine oil
Engine oil
Chec
Chec
king engine oil lev
king engine oil lev el wit
el with on-boar
h on-boar d com
d comput
puter
er
(engine wit
(engine wit hout oil dips
hout oil dipstic tick)
k)
R
R eq
eq uir
uir ements:
ements:
R The engine oil le vel is de term ined during driv-
ing.
R The engine is at normal operating temp erature.
R The vehicle is le vel during the measuring proc-
ess.
R The bonnet is not open.
Depending on the driving pro/le, the oil le vel can
be displa yed only aTer a driving time of up to
30 minutes and only when the ignition is switched
on.
On-board computer:
4 Service 5
Engine oil level
One of t One of t he f
he follo
ollowing messag
wing messag es appear
es appears on t
s on the dis-
he dis-
pla
pla y of t
y of t he on-boar
he on-boar d com
d comput
puter:
er:
Engine oil level Measurement in progress... #
Measurement of the oil le vel not yetpossible.
Re peat thequ ery aTer driving for a maximum
of 30 minutes.
Engine oil level OK
The bar for displaying the oil le vel on the display is
gr een and is between "min" and "max". #
Do not top up oil. The engine oil le vel is cor-
re ct.
Engine oil level Warm up engine #
Warm upthe engine tooperating temp erature.
Engine oil level Correct measurement only if vehi-
cle is on level ground #
Park theve hicle on a le vel sur face.
Engine oil level Add 1,0 l
The bar for displaying the oil le vel on the display is
orange and is below "min".
The oil le vel is too lo w. #
Add 1 l of engine oil (/ page 227).
Engine oil level Reduce oil level
The bar for displaying the oil le vel on the display is
orange and is abo ve"max".
The oil le vel is too high. Maintenance and care
225 225

#
Siphon o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
For engine oil level turn on ignition #
Switch the ignition on tocheck the engine oil
le ve l.
Engine oil level System inoperative
The /ll le vel sensor is defective or not plugged in. #
Have the oil le vel display checked at a quali/ed
specialist workshop.
Engine oil level System currently unavail. #
Close the bonnet.
Chec Chec king t
king t he engine oil lev
he engine oil lev el wit
el with t
h the on-board
he on-board
com
com put
puter (engine wit
er (engine wit h oil dips
h oil dipstictick)
k)
R R eq eq uir
uir ements:
ements:
R The vehicle is le vel during the measuring proc-
ess.
R The engine is switched o. at normal operating
te mp erature.
R Awa iting period of /ve minutes is obser ved.
R The ignition is switched on.
To check the engine oil le vel with the on-board
computer, the engine must ha vea /ll le vel sensor.
If not, the engine oil le vel can be checked only with
th e oil dipstick (/ page 226).
On-board computer: 4 Service 5
Engine oil level
The f
The f ollo
ollowing messag
wing messag es ma
es may appear on t
y appear on t he display
he display
of t
of t he on-boar
he on-boar d com
d comput
puter:
er:
Engine oil level OK #
Do not top up oil.
Engine oil level Add 1,0 l #
Addth e speci/ed quantity of oil
(/ page 227). #
Repeat the engine oil measurement aTer a few
minutes.
Engine oil level Reduce oil level
The oil le vel is too high. #
Siphon o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
For engine oil level turn on ignition #
Switch on the ignition.
Waiting period for engine oil level not observed #
Ifth e engine is at normal operating temp era-
ture, repeat the engine oil measurement aTer
appr oximately /ve minutes. #
Ifth e engine is not at normal operating tem-
perature, repeat the engine oil measurement
aTer appr oximately 30 minutes.
Engine oil level Not with the engine running #
Switch o. the engine and, when it is at normal
operating temp erature, wait appr oximately
/ve minutes before measuring the engine oil
le ve l.
Engine oil level System inoperative
The engine oil le vel measurement is malfunction-
ing. #
Check the oil le vel using the oil dipstick
(/ page 226). #
Have the oil le vel display checked at a quali/ed
specialist workshop.
Chec Chec king t
king t he engine oil lev
he engine oil lev el wit
el with an oil dips
h an oil dips tick
tick &
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. The engine oil becomes dirty during operation,
loses quality and also gradually loses volume.
Check the oil le velre gular lyand top up the oil or
ha ve itch anged if necessar y.
Re gular lych eck the 0uid le vel and the major
assemblies for leaks. If you de tect 0uid loss, for
ex ample, oil drops on theve hicle parking space,
consult a quali/ed specialist workshop as quickly
as possible. #
Only check the oil le vel when the engine is at
normal operating temp erature. 226
226
Maintenance and care

R
Use only automatic car washes that meet cur-
re nt tech nological standa rds.
R Do not use a wash prog ram that ends with a
hot wax treatment in automatic car washes.
R Do not use paint cleaners, bu1ng or polishing
products, or gloss preser vers, e.g. wax.
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop. N
No
ot
tes on t
es on t he car
he care of v
e of vehicle par
ehicle par ts
ts &
W
WARNING
ARNING Risk of injury if unsuitable
climbing aids are used
In theev ent that you use openings in the body-
wo rkor attachments as steps, you could:
R Slip and/or fall.
R Damage theve hicle and thus slip and fall. #
Always use non-slip, stable climbing aids,
e.g. a suitable ladder. &
W
WARNING
ARNING Risk of ent rapment if the wind-
screen wipers are switched on while the
windscreen is being cleaned
If th e windscreen wipers are set in motion
while you are cleaning the windscreen or wiper
blades, you can be trapped bythe wiper arm. #
Always switch o. the windscreen wipers
and the ignition before cleaning the wind-
screen or wiper blades. &
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
th ese parts of theve hicle, you could burn your-
self. #
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. *
N NOOTE TE Damage caused bythe use of open-
ings in the bodywork or de tach able part as
a step Using
the lo wer guide of the sliding door (car-
ri age) as a step can damage the trim and/or
mechanism of the sliding door. #
Do not use the guide of the sliding door
(car riage) as a step. %
Information on suitable cleaning agents or
cleaning clo ths can be obtained from a quali-
/ed specialist workshop.
To prev ent damage totheve hicle, obser vethe
no tesfo r cleaning and care of thefo llowing vehicle
parts:
Wheels and r Wheels and r ims
ims
R Use water and acid-free alloy wheel cleaner.
R Do not use acidic alloy wheel cleaners to
re mo vebrake dust. Otherwise, wheel bolts and
brake components could be damaged.
R Toavo id cor rosion of brake discs and brake-
pads, drive for a few minutes aTer cleaning
before parking theve hicle. The brake discs and
brakepads warm up and dry out.
W
W indo ws
indo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom-
mended for Mercedes-Benz.
R Do not use dry clo ths, abrasive cleaning agents
or cleaners containing sol vents toclean the
inside of windo ws.
W
W iper blades
iper blades
R With th e wiper arms folded away,clean the
wiper blades with a damp clo th (/ page 118).
R Do not clean the wiper blades too oTen.
Ext
Ext er
erior lighting
ior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, forex ample, car shampoo.
R Only use cleaning agents or clo ths suitable for
plastic lenses.
Sensors
Sensors
R Clean the sensors in the front and rear bump-
ers with a soT clo thand car shampoo
(/ page 152).
R When using a high-pressure cleaner, keep a
minimum distance of 30 cm. 232
232
Maintenance and care

#
Open the clasp of holder 2. #
Remo ve/re extinguisher 1from its holder.
Fo rve hicles with a swivelling front seat, the
reta iner with the /re extinguisher is loca ted at the
side of the seat base.
Please read the inst ructions on the /re extin-
guisher carefully and familiarise yourself with its
operation. Ha vethe /re extinguisher re/lle daTer
each use and checkedev ery one or two years. It
may otherwise fail in an emer gency.
Obser vethe legal requ irements of the country in
which you are cur rently driving. Mer
Mer
cedes-Benz eme rg
cedes-Benz emerg ency call syst
ency call system
em Inf
Inf
or
ormation on t
mation on t he Mer
he Mercedes-Benz emerg
cedes-Benz emerg ency call
ency call
syst
syst em
em The Mercedes-Benz emer
gency call system only
functions in areas where mobile phone co verage is
av ailable from there leva nt contract partner. Insuf-
fi cient network co verage from there leva nt con-
tract partner may result in an emer gency call not
being transmitted.
The ignition must be switched on before an auto-
matic eme rgency call can be made.
% The Mercedes-Benz emer gency call system is
activated at thefa ctor y.Using the Mercedes-
Benz emer gency call system is free of charge. Ov Ov
er
ervie
vie w of t
w of t he Mer
he Mer cedes-Benz emerg
cedes-Benz emerg ency call
ency call
syst
syst em
em The Mercedes-Benz emer
gency call system can
help todecisively reduce the time between an
accident and the ar riva l of emer gency services at
th e site of the accident. It helps locate an accident
site in places that are di1cult toaccess.
The emer gency call can be triggered automatically
(/ page 236).
Yo u also ha vethe option of triggering the emer-
ge ncy call manually (/ page 237). Only make eme
rgency calls if you or others are in need of res-
cue. Do not make an emer gency call in theev ent
of a breakdown or a similar situation.
Messag
Messag e in t e in the media displa y:
he media displa y:
SOS NOT READY :th eve hicle is not switched on or
th e emer gency call system is malfunctioning.
This does not necessarily indicate a tota lfa ilure of
th e emer gency call system. Eme rgency calls can
still be transmitted.
The display refers only totheve hicle and does not
ta ke account of theav ailability of mobile phone
networ ksand the Mercedes-Benz emer gency call
centre.
The functional readiness of the emer gency call sys-
te m on theve hicle can be seen when theSOS
NOT READY display disappears once theve hicle is
switched on.
During an active emer gency call, Gappears in
th e displa y.
Yo u can /nd more information on there gional
av ailability of the Mercedes-Benz emer gency call
system at: https://www.mercedes-benz-
mobile.com/extra/ecall/
% If no eme rgency call is available due toate ch-
nical problem in theve hicle, there d SOS NOT
READY message appears in the display of the
inst rument cluster or in the media display and
th ere d LED indicator lights up. T T
r
rigg
igg er
ering an aut
ing an aut omatic Mer
omatic Mer cedes-Benz emer-
cedes-Benz emer-
g
g ency call
ency call R
R
eq
eq uir
uir ements:
ements:
R The vehicle is switched on.
R The star ter battery is su1ciently charge d.
The Mercedes-Benz emer gency call system auto-
matically triggers an eme rgency call aTer activa-
tion of there straint system in theev ent of an acci-
dent, forex ample airbags or seat belt tensioners.
When the emer gency call is made:
R Avo ice connection is made tothe Mercedes-
Benz emer gency call centre.
R A messa gewith accident data is transmit tedto
th e Mercedes-Benz emer gency call centre.
The Mercedes-Benz eme rgency call centre can
transmit theve hicle position data toone of the
public emer gency services call centres.
R Under cer tain circumstances data is also
transmitted in thevo ice channel tothe
Mercedes-Benz eme rgency call centre. 236
236
Breakdown assistance

%
F
For Eur
or Eur asian Economic U
asian Economic Union: nion:various func-
tions, e.g. receiving tra1c information, cannot
be used for up totwo hours aTer sending an
emer gency call. F
F
unction of t
unction of t he emerg
he emerg ency call syst
ency call syst em self-diagno-
em self-diagno-
sis
sis Yo
ur car veri/es the operability of the emer gency
call system each time the ignition is ON.
In theev ent of a system malfunction, you will be
informed bythefo llowing signals:
R The SOS NOT READY messageinthe inst ru-
ment cluster or there dSOS NOT READY mes-
sage on the displa y,ifav ailable
R The 0ashing indicator lamp in theove rhead
control panel
Please, make sure, that during 30 seconds aTer
switching ignition ON there d indicator SOS NOT
READY inthe upper right corner of the multimedia
display is switched OFF, this means the emer gency
call system passed diagnostics successfull y.S
S
t
tar
ar ting/st
ting/st opping ERA
opping ERA -GL
-GLONASS t
ONASS t es
est mode
t mode R
R
eq
eq uir
uir ements:
ements:
R The star ter battery is su1ciently charge d.
R The vehicle is switched on.
R The vehicle has been stationary for at least one
minute.
% Thetest mode is cu rrently available in the
count ries of the Eurasian Economic Union. #
T
To st
o st ar
art t
t t he t
he t es
est mode:t mode: press and hold the
~ button on the multifunction steering
wheel or theF button on theove rhead
control panel for at least /ve seconds.
Te st mode is star ted and ended automatically
aTer completion of the speech test. #
T
To st
o st op t
op t es
est mode manuallyt mode manually: :switch o. the
ve hicle.
The test mode is ended. Flat ty
re
Flat tyre N
No
ot
tes on
es on 0at
0attyr
tyres
es &
W
WARNING
ARNING Risk of accident due toa 0at
tyre
A 0at tyre st rongly impai rstheve hicle's driving
ch aracteristics, as well as its steering and
braking characteristics. #
Do not drive with a 0at tyre. #
Replace the 0at tyre with the spare
wheel. Alternativel y,consult a quali/ed
specialist workshop. Yo
u will /nd a stic ker with the Mercedes-Benz
Service24h telephone number on the B-pillar on
th e driver's side, forex ample.
Fo rve hicles with a spare wheel, information in the
ev ent of a 0at tyre can be found under "Wheels
and tyres" (/ page 258). Batt
Batt
ery
ery N
No
ot
tes on t
es on t he st
he start
arter batt
er batt ery
ery Wo
rkon the batter y,e.g. removing or ins talling,
re qu ires specialist kno wledge and the use of spe-
cial tools. Therefore, alw ays ha veworkon the bat-
te ry car ried out at a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of an accident due towo rk
car ried out incor rectly on the battery
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This
can restrict functions releva nt for saf ety sys-
te ms and impair the operating saf ety of your
ve hicle.
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R when braking
R intheev ent of abrupt steering manoeuvres
and/or when theve hicle's speed is not
adap tedto the road conditions #
Intheev ent of a short circuit or a similar
incident, contact a quali/ed specialist
wo rkshop immediatel y. #
Do not drive on. #
Always ha veworkon the battery car ried
out at a quali/ed specialist workshop. 238
238
Breakdown assis
tance

#
Take care that the positive clamp con-
nected toa battery does not come into
contact with vehicle parts. #
Never place me tal objects or tools on a
batter y. #
When connecting and disconnecting the
batter y,alw ays obser vethe sequence of
battery clamps described. #
Take care toonly connect battery term i-
nals of identical polarity when receiving
starting assistance. #
Obser vethe sequence described for con-
necting and disconnecting the jump
leads when receiving starting assistance. #
Do not connect or disconnect the battery
te rm inals while the engine is running. &
W
WARNI NG
ARNI NGDanger of chemical burns from
th e battery acid
Battery acid is caustic. #
Avoid contact with the skin, eyes or
clo thing. #
Do not lean overth e batter y. #
Do not inhale battery gases. #
Keep children away from the batter y. #
Immediately rinse bat tery acid o. thor-
oughly with plenty of clean water and
seek medical attention immediatel y.*
N
NO
OTE
TE Damage toelectronic components
due towo rkcar ried out incor rectly on the
battery If
th e star ter battery is disconnected before
th eke y is remo ved from the ignition loc k,elec-
tronic components or assemblies, such as the
alternator, can be damaged. #
Switch o. theve hicle and remo vethe
ke y from the ignition loc k. #
Check tosee that there are no indicator
lamps lit in the inst rument cluster. #
Always disconnect the negative clamp
/rst and then the positive clamp. #
Do not inter change the battery clamps. Alw
ays ha veworkon the battery car ried out at a
qu ali/ed specialist workshop. If, in
exceptional circums tances, you must discon-
nect the battery yourself, pay attention tothefo l-
lowing:
R Obser vethe no tes on the 12 V battery
(/ page 238).
R Secure theve hicle toprev ent it from rolling
awa y.
R ATer the battery has been disconnected, the
parking brake is automatically applied. You can
th en no longer mo vetheve hicle.
R Forve hicles with an automatic transmission,
th e transmission is loc ked in position jaTer
disconnecting the batter y.Yo u can then no lon-
ge r mo vetheve hicle.
R The battery and the co ver of the positive term i-
nal clamp must be /t tedsecurely during opera-
tion. Seat base (e
xample:right-hand front seat)
The following description on connecting and /tting
th e battery uses theex ample of the star ter battery
in the seat base of theright-hand front seat. #
Switch o. all electrical consumers. #
Switch o. theve hicle and remo vetheke y from
th e ignition loc k. #
Open the front right-hand door. #
Press bo thcatch springs 1down and remo ve
co ver2 upwards from the seat base. #
Remo vecover2 bypulling upwards at an
angle from the seat base. Breakdown assistance
243
243