open bonnet MERCEDES-BENZ V-CLASS 2021 Owners Manual

1
Combination switch →
108
2 Instrument cluster →
181
3 Adjusts the steering wheel →
98
Horn
4 DIRECT SELECT le ver (auto-
matic transmission) →
141
5 Multimedia system display
6 Glovecompartment →
99
7 Cent reconsole operating units
8 Steering wheel gearshiT pad-
dles (automatic transmission) →
144 9
Ignition lock →
136
A Cruise cont rol le ver →
157
B Diagnostics connection →
23
M Opens the bonnet →
224
C Parking brake →
150
D Light switch →
107
E Driving systems control panel:
Ç LaneKeeping Assist →
176
f DSR →
159
Ô 360° camera →
168 6 6
At
a glance – Cockpit

R
R
ectifying pr
ectifying pr oblems wit
oblems with t
h the sliding sunr
he sliding sunr oof
oof &
W
WARNING
ARNING Risk of becoming trapped or
fata l injuries when the sliding sunroof is
closed again
If yo u close the sliding sunroof again immedi-
ately aTer it has been bloc ked or reset, the
sliding sunroof will close with increased or
maximum forc e.
There is a risk of becoming trapped or even of
fata l injuries! #
Make sure that no parts of the body are
in the closing area. #
Release the button immediately if some-
body becomes trapped.
or #
Brie0y press the button in any direction
during the automatic closing process.
The closing process will be stopped. The sliding sunr The sliding sunr
oof canno
oof cannot be closed and y
t be closed and y ou can-
ou can-
no
no t det
t det ect t
ect the cause.
he cause.
If th e sliding sunroof is obstructed during closing
and opens again slightl y:#
Immediately aTer the sliding sunroof has been
obstructed, pull the3 button down again to
th e point of resis tance until the sliding sunroof
is closed.
The sliding sunroof will be closed with
increased forc e.
If th e sliding sunroof is obstructed again and opens
again slightl y: #
Immediately aTer the sliding sunroof has been
obstructed, pull the3 button down again to
th e point of resis tance until the sliding sunroof
is closed.
The sliding sunroof will be closed without the
automatic reve rsing function. Anti-t Anti-theT
heTprev
pr ev ention
ention F
F
unction of immobiliser
unction of immobiliser The immobiliser pr
events your vehicle from being
star ted without the cor rect key.
The immobiliser is automatically activated when
th eve hicle is switched o., and deacti vated when
th eve hicle is switched on. A A
T
TA
A (Anti-
(Anti- TheT
TheT Alar
Alarm syst
m syst em)
em) F
F
unction of AT
unction of ATAA(Anti-t
(Anti-theT heTAlar
Alarm syst
m syst em)
em)
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when opening a door
R when opening theve hicle with the emer gency
key
R when opening the bonnet
R when opening theta ilgate
ATer locking theve hicle with theke y,theAT A sys-
te m is automatically primed. When
theATA system is primed, indicator lamp 1
0ashes in theov erhead control panel.
ATA is automatically deactivated in thefo llowing
situations:
R ATer unlocking theve hicle with thekey.
R When theke y is inser ted into the ignition loc k.
% The ala rmis not deactivated, even if you
immediately close the open door that has trig-
ge red it, forex ample.
Pr
Pr iming/deactiv
iming/deactiv atingAT
ating ATAA(Anti-t
(Anti-theT heTAlar
Alarm syst
m syst em)
em)
Pr
Pr iming
iming #
Close all the doors. #
Lock theve hicle with thekey.
Indicator lamp 1intheove rhead control
panel 0ashes. 68
68
Opening and closing

R
R
eplacing fr
eplacing fr ont light bulbs (v
ont light bulbs (v ehicles wit
ehicles with halog
h halogen
en
headlam
headlam ps)
ps) Ov
Ov
er
ervie
vie w of fr
w of fr ont light sour
ont light sour ce types
ce types 1
Additional turn signal lamp on the outside mir-
ro r: LED
2 Turn signal light: PY 21 W
3 Low beam: H7 55 W
4 High beam/standing/parking lights/d aytime
ru nning lights: H15 55 W/15 W
R
R eplacing light sour
eplacing light sour ces in t
ces in the headla mp
he headlamp
R
R eq
eq uir
uir ements:
ements:
R The lighting system is switched o..
R The appropriate front wheel is turned in wards.
R Lo
Lo w beam:
w beam: youre qu ire a H7 55 W light bulb.
R T
T ur
ur n signal light
n signal light: :yo ure qu ire a PY 21 W light
bulb.
R High beam / st
High beam / st anding/par
anding/parking lights / da y-
king lights / da y-
time r
time r unning lights:
unning lights: youre qu ire a H15 55 W/
15 W light bulb.
F
F itting/r
itting/r emo
emoving t
ving t he cov
he cov er in t
er in the fr
he front wheel ar ch
ont wheel ar ch #
T
To r
o r emov
emov e:
e:grip the centre of co ver1, slide it
upwards and pull it out.
The co ver will hang down wards on the strap. #
T To
o /t:
/t: insert co ver1 attheto p and slide it
down wards until it engages.
Lo
Lo w beam
w beam #
Remo vethe co ver in the front wheel ar ch. #
Turn housing co ver1 anti-clockwise and
re mo veit. #
Turn soc ket2 for low beam tothe leT and
pull it out. #
Pull the bulb out of soc ket2. #
Inse rtthe new bulb into soc ket2. #
Inse rtsoc ket2 and rotate itto theright to
tighten it. #
Press on housing co ver1 and ro tate itto the
ri ght totighten it. #
Replace the co ver in the front wheel ar ch.
High beam, st
High beam, st anding/par
anding/parking lights and da
king lights and da ytime
ytime
r
r unning lights
unning lights #
Open the bonnet. 114
114
Light and vision

#
Turn housing co ver1 anti-clockwise and
re mo veit. #
Pull out the bulb with soc ket2. #
Inse rtthe new bulb with soc ket2 and engage
it as far as it will go. #
Press on housing co ver1 and ro tate itto the
ri ght totighten it. #
Close the bonnet.
T
T ur
ur n signal light
n signal light #
Open the bonnet. #
Turn soc ket1 anti-clockwise and pull it out. #
Pull the bulb out of soc ket1. #
Inse rtthe new bulb into soc ket1. #
Inse rtsoc ket1 and turn it clockwise until it
engages. #
Close the bonnet. R
R
eplacing r
eplacing r ear bulbs
ear bulbs Ov
Ov
er
ervie
vie w of r
w of r ear light sour
ear light sour ce types
ce types Ve
hicles with standard tail lamp
1 Third brake light: LED
2 Licence plate lighting: LED
3 Rear fog light (driver's side): P 21 W
4 Reversing light: P 21 W
5 Brake light, tail light/parking lights: P 21 W
6 Turn signal light: P 21 W
Ve hicles with LED tail lamps 1
Third brake light: LED
2 Licence plate lighting: LED
3 Rear fog light (driver's side): LED
4 Reversing light: W 16 W
5 Brake light, tail light/parking lights: LED
6 Turn signal light: LED
R
R eplacing light sour
eplacing light sour ces in t
ces in the t
he tail lamp
ail lamp
R
R eq
eq uir
uir ements
ements
R The lighting system is switched o..
R St
Standar
andar d t
d tail lam
ail lam p:
p:youre qu ire a P 21 W light
source.
R LED t
LED t ail lam
ail lam p:
p:youre qu ire a W 16 W light
source.
R
R emo
emo ving t
ving t he t
he tail lamp
ail lamp
* NO
NOTE
TEDamage tothe paintwork during tail
lamp remo val The paintwork may be damaged when
theta il
lamps are remo ved. The tail lamp ma y,for
ex ample, scratch the paintwork when it is
re mo ved. #
Remo vetheta il lamps carefull y. #
Mercedes-Benz recommends having the
ta il lamp light sources replaced at a
qu ali/ed specialist workshop. Please no
tethat you can change the bulb of the
re ve rsing light only in the case of an LED tail lamp. #
Open theta ilgate.
% You will /nd a scr ewdriver in theve hicle tool
kit (/ page 250). #
Unscr ewtwo side scr ews1. Light and vision
115
115

#
Neverfo ld the wiper arm on the wind-
screen or rear wind owback until a wiper
blade has been /tted. Keep hold of the
wiper arm when replacing a wiper blade. *
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. R
R
emo
emo ving t
ving t he wiper blades
he wiper blades #
Foldthe wiper arms away from the windscreen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade in the direc-
tion of ar row 1 awa y from the wiper arm as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm in
th e direction of ar row 4. F
F itting t
itting t he wiper blades
he wiper blades #
Insert the new wiper blade into the wiper arm
in the direction of ar row 1. #
Slide catch 2inthe direction of ar row 3
until it engages in the locking position. #
Make sure that the wiper blade is seated cor-
re ctl y. #
Foldthe wiper arms back onto the windscreen.
Maint
Maint enance display
enance display #
Remo veprotective /lm 1from the mainte-
nance displa yson the tips of the ne wly/tted
wiper blades.
If th e colour of the maintenance display changes
from black toyello w, the wiper blades should be
re placed.
% The time until the colour changes varies
depending on the usage conditions. Light and vision
119
119

Ov
Ov
er
ervie
vie w of t
w of t he ins
he ins tr
trument clust
ument clust er
er Inst
rument cluster (e xample)
1 Speedome ter
2 Display
3 Rev counter
4 Coolant temp erature display
5 Fuel le vel
Speedom et
Speedom eter
er
In vehicles with Active Distance Assist DISTRONIC,
th ere are illuminated segments on the speedome-
te r dial.
These segments show you what speed range is
av ailable:
R Variable limi ter activated (/ page 158)
The segments light up from the start of the
scale tothe selected limit speed.
R Active Distance Assist DISTRONIC switched on
(/ page 161)
One or two segments light up in the sa ved
speed range.
R Active Distance Assist DISTRONIC de tects a
ve hicle in front.
The segments light up from the speed of the
ve hicle in front up tothe sa ved speed.
Yo u can show the speed as a digital speedome ter
on the display as well.
If yo uch ange your vehicle's wheel size, check its
assignment tothe wheel size group (/ page 260).
If th e assignment changes without recoding the
cont rol units in theve hicle, the speedome ter will
not display the speed accuratel y.The cur rent vehi-
cle speed may then be higher than the speed
shown bythe speedome ter. Driving and driving
saf ety systems may then be operationally impaired
or may de tect a malfunction and switch them-
sel ves o..
In some countries, an audible signal will sound
and/or a message will appear on the display when th
eve hicle reaches the maximum speed permitted
by law, e.g. at 120 km/h.
R
R e
ev count
v count er
er
* NO
NOTE
TEEngine damage due tomaximum
engine speed being exceeded If
th e maximum permissible engine speed is
ex ceeded, the engine may be damaged. #
Avoid driving in there d speed range
(danger zone). Outside t
Outside t
em
emper
per atur
atur e display
e display
Yo u should pay special attention toroad conditions
when temp eratures are around freezing point.
The outside temp erature is shown on the inst ru-
ment cluster display (/ page 183).
Changes in the outside temp erature will be dis-
pla yed aTer a short dela y.
Coolant t
Coolant t em
emper
per atur
atur e display
e display &
W
WARNING
ARNING Risk of burns when opening the
bonnet
If yo u open the bonnet in theev ent of an over-
heated engine or /re in the engine compart-
ment, thefo llowing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other
escaping hot operating 0uids. #
Before opening the bonnet, allow the
engine tocool down. #
Intheev ent of a /re in the engine com-
partment, keep the bonnet closed and
call the /re service. The coolant
temp erature display is located within
th e inst rument cluster's rev counter.
During normal driving and if the coolant le vel is
cor rect, the display is permitted torise to120°C. Ov
Ov
er
ervie
vie w and oper
w and oper ation of t
ation of the on-boar
he on-boar d com-
d com-
put
put er
er &
W
WARNING
ARNING Risk of distraction due toinfor-
mation systems and communications
equipment
If yo u operate information systems and com-
munications equipment integ rated in theve hi-
cle when driving, you could be distracted from Instrument cluster and on-board computer
181 181

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

When jump-starting, obser
vethefo llowing points:
R The battery is not accessible in all vehicles. If
th eot her vehicle's battery is not accessible,
starting assis tance is tobe pr ovided using a
donor battery or a starting assistance device.
R You may only jump-start theve hicle when the
engine and exhaust system are cold.
R Ifth e battery is frozen, do not start theve hicle.
Let the battery thaw /rst.
R Starting assis tance may only be pr ovided using
batteries with a nominal voltage of 12 V.
R Only use jump leads that ha vea su1cient
cross-section and insulated term inal clamps.
R Ifth e battery is fully dischar ged, attach the
donor battery for a few minutes before
attem pting tostart. This charge sth e dis-
ch arge d battery a little.
R Make sure that the two vehicles do not touch.
Jump leads and fur ther information rega rding start-
ing assistance can be obtained at any quali/ed
specialist workshop.
Ensure thefo llowing before connecting the jump
lead:
R The jump leads are not damaged.
R Parts of thete rm inal clamps which are not
insulated do not come into contact with other
me tal parts while the jump leads are connec-
te dto the batter y.
R The jump leads do not touch moving parts
when theve hicle is star ted, such as theV- belt
pulley or thefa n. #
Apply the parking brake. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe
transmission toposition j. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: shiTto
neutral. #
Switch o. all electrical consumers, e.g. audio
equipment, blo wer. #
Switch o. theve hicle and remo vethekey. #
Open the bonnet (/ page 224). Connecting and disconnecting t
Connecting and disconnecting t
he jum
he jump lead
p lead Example: jump-start connection point
#
Push contact pr otection co ver1 ofthe jump-
start connection point towa rdsth ere ar of the
ve hicle against the spring pressure as far as it
will go.
Po siti veterm inal 5ofthe jump-start connec-
tion point is visible. Te
rm inal connection diag ram #
Remo vethe co ver from positive term inal 3of
th e donor batter y. #
Connect the positive term inal clamp of the
jump lead topositive term inal 3ofthe donor
batter y,and then topositive term inal 5ofthe
jump-start connection point. #
Connect the negative term inal clamp of the
jump lead tonegative term inal 2ofthe donor
batter y,and then toear thcontact 4ofyour
ow nve hicle. Breakdown assis
tance
241 241

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive in a manner appropriate forth e cur rent le vel, but do not
ex ceed 80 km/h. #
Consult a quali/ed specialist workshop. Engine
Engine
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
# See Owner's Manual *A
warning tone also sounds.
The bat tery is no longer being charge dfo r one of thefo llowing rea-
sons:
R defecti vealternator
R torn pol y-V belt
R malfunction in the electronics #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o..
Do not continue driving. If you do, the engine may overheat. #
Secure theve hicle against rolling away. #
Consult a quali/ed specialist workshop.
! Clean the fuel filter *T
here is water in the fuel /lter. The water must be drained o.. #
Consult a quali/ed specialist workshop.
? Coolant Stop vehicle
Switch engine off *A
warning tone also sounds. The coolant is too hot. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re
in the engine compartment, thefo llowing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating
0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the
bonnet closed and call the /re service. &
W
WARNING
ARNING Risk of scalding from hot coolant
If yo u open the cap, you could be scalded. #
Letthe mo tor cool down before opening the cap. #
When opening the cap, wear pr otective glo ves and saf ety
glasses. #
Open the cap slo wlytorelease pressure. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. Display messages and
warning and indicator lamps
295
295