2021 MERCEDES-BENZ V-CLASS heater

#
Start the engine of the donor vehicle and run it
at idling speed. #
Start theve hicle and let the engine runfo r a
while. #
Before disconnecting the jump leads, switch
on an electrical consumer in your ow nve hicle,
e.g. there ar wind owheater or the lighting. #
Disconnect the negative term inal clamp of the
jump lead from ea rth contact 4and then
from negative term inal 2ofthe donor bat-
te ry. #
Disconnect the positive term inal clamp of the
jump lead from positive term inal 5onthe
jump-start connection point, and then from
positive term inal 3ofthe donor batter y.
Contact pr otection co ver1 is automatically
re turned forw ards toits original position bythe
spring forc e and the jump-start connection
point is closed. #
Position the co ver on positive term inal 3of
th e donor batter y. #
Have the battery checked at a quali/ed spe-
cialist workshop.
Char
Char ging t
ging t he 12 V batt
he 12 V batt ery
ery
* NO
NOTE
TEDamage tothe electronics caused
by non-appro vedch arging devices Charging a /tted battery with a battery
charger
which has not been appr ovedby Mercedes-
Benz can damage the on-board electronics. #
Only use a battery charge r which has
been appr ovedby Mercedes-Benz and
which permits charging the battery when
it is /t tedintheve hicle. #
Only charge the battery using the jump-
start connection point. A battery
charge r specially adap tedfo r Mercedes-
Benz vehicles and tested and appro vedfor
Mercedes-Benz is available as an accessor y.
Fu rther information is available from any
Mercedes-Benz Se rvice Centre. Read the operat-
ing inst ructions foryo ur charge r before charging
th e batter y.
Re charge the battery more frequently if you use
th eve hicle mainly for short trips and/or drive at
low outside temp eratures. #
Connect the battery charge rto the positive ter-
minal and ear thcontact in the same order as when connecting
the donor battery in the
jump-starting procedu re.
% If a battery is not /tted and not in service, you
should charge itev ery thre e months. This
helps tocounteract self-discharging and pre-
ve nt damage tothe batter y.
12 V batt
12 V batt er
ery care
y care
* NO
NOTE
TEBattery dischar gedue toleakage
cur rents Dirty bat
tery term inal clamps and battery sur-
fa ces cause leakage cur rents. This can lead to
th e battery discharging. #
Keep the battery term inals and battery
sur faces clean and dr y. *
N
NO
OTE
TE Damage tothe battery housing due
to improper cleaning If
yo u use cleaning agents containing fuel,
th ese can damage the battery housing. #
Do not use cleaning agents containing
fuel. *
N NOOTE TE Damage tothe battery due toself-
dischar ge If dirt
gets into the battery cell, the self-dis-
ch arge ofthe battery is increased and the bat-
te ry can be damaged. #
Only clean the battery with the cell caps
scr ewe d in. Obser
vethefo llowing points on battery care: #
Regular lych eck the battery term inals and the
fa stening of the negative cable tothech assis
to ensure that they are /rmly seated. #
Lightly grease the undersides of the battery
te rm inal clamps with acid-resistant grease. #
Only clean the battery housing with commer-
cially available cleaning agents. Disconnecting and r
Disconnecting and r
emo
emoving t
ving t he st
he start
arter batt
er batt ery
ery &
W
WARNING
ARNING Risk ofexplosion due tohydro-
ge nga s igniting
If, when charging a batter y,there is a short cir-
cuit or spar ksstart toform ,th ere is a danger
of hydrogen gas igniting. 242
242
Breakdown assis
tance

Eng
rav
Eng raved VIN in t
ed VIN in t he engine com
he engine com par
partment
tment VIN
1is eng rave d into the longitudinal member in
th e engine compartment next tothe fuse box.
Engine number
Engine number
The engine number is stamped onto the crank-
case. You can obtain fur ther information from a
qu ali/ed specialist workshop. Oper Oper
ating
ating 0uids
0uids and capacities
and capacities N
No
ot
tes on oper
es on oper ating
ating0uids
0uids &
W WARNING ARNING Risk of injury from operating
0uids harmful toyour health
Operating 0uids may be poisonous and harmful
to your health. #
Obser vethete xt on the original contain-
ers when using, storing or disposing of
operating 0uids. #
Always store operating 0uids sealed in
th eir original containers. #
Alwayske ep children away from operat-
ing 0uids. +
ENVIR ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvi ronmental
pollution due todisposing of operating 0u-
ids in a non-e nvironmentally responsible
manner Incor
rect disposal of operating 0uids can
cause conside rable damage tothe environ-
ment. #
Dispose of operating 0uids in an environ-
mentally responsible manner. Operating 0uids include
thefo llowing:
R fuels
R exhaust gas aTertreatment additives, e.g.
Ad Blue ®
R lubricants
R coolant
R brake 0uid
R windscreen washer 0uid
R climate cont rol system refrigerants
Only use products which ha vebeen appr oved for
yo ur vehicle byMercedes-Benz. Damage caused
by the use of products that ha venot been
app rove d is not co veredby the Mercedes-Benz
guarantee or goodwill gestures.
Yo u can identify operating 0uids appr ovedby
Mercedes-Benz bythefo llowing inscriptions on the
container:
R MB-F reigabe (e.g. MB-F reigabe 229.51)
R MB-Appr oval (e.g. MB -Appr oval 229.51)
Fu rther information on appr oved operating 0uids is
av ailable at thefo llowing locations:
R Inthe Mercedes-Benz Speci/cations for Oper-
ating Fluids at https://be vo.mercedes-
benz.com (by entering the designation)
R Ataqu ali/ed specialist workshop
Ad ditives for appr oved operating 0uids are neither
re qu ired nor permitted. Appr oved fuel additives are
th eex ception. Additives can cause engine damage
and must therefore not be added tothe operating
0uids.
The use of additives is alw aysth ere sponsibility of
th eve hicle operator. The use of additives may
re sult in there striction or loss of your wa rranty
claims. &
W WARNING
ARNING Risk of /re or explosion from
fuel
Fu els are highly 0ammable. #
Fire, naked 0ames, smoking and creating
spar ksmust be avoided. #
Before refuelling, switch o. theve hicle
and, if /tted, the stationary heater and
ke ep switched o. during /lling. &
W
WARNING
ARNING Risk of injury from fuels
Fu els are poisonous and hazardous toyour
health. Te
ch nical data
271
271

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
4 Engine oil level Stop vehi-
cle Switch engine off *T
he oil le vel is too lo w.There is a risk of engine damage. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. #
Secure theve hicle against rolling away. #
Check the oil le vel (/ page 226). #
If necessar y,top up the engine oil (/ page 227).
6 Reserve fuel level *T
he fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (stationary heater) is deactivated in
th ere ser verange. #
Refuel theve hicle.
Ï *T
here is very little fuel in the fuel tank. #
It is absolutely essential torefuel at the nearest /lling station. A A
dBlue
dBlue ®
® Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Ø
Refill AdBlue See Own-
er’s Manual *
Awa rning tone also sounds. The AdBlue ®
leve l has fallen below the
re ser verange. #
Top up with AdBlue ®
as soon as possible (/ page 148).
Ø Refill AdBlue Emer. oper.
in XXX km See Owner's
Manual *
Awa rning tone also sounds. The AdBlue ®
leve l is su1cient only for
th e distance displa yed. If you subsequently start the engine again, you
will be able todrive theve hicle only at a maximum speed of 20 km/h
fo rth e distance shown. Engine management will then pr event the
engine from starting. #
Top up with AdBlue ®
immediately (/ page 148).
Ø
Limp-home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can drive
th e distance shown at a maximum speed of 20 km/h. If you subse-
qu ently switch o. the engine, the engine management system will
pr eve ntthe engine from being star ted again. You will then be able to
start the engine only once you ha vere/lled theAd Blue ®
tank. #
Stop theve hicle in accordance with the tra1c conditions. #
Top up with AdBlue ®
immediately (/ page 148).
Ø
Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can no
longer start the engine. #
Top up with at least 8 l AdBlue ®
(/ page 148). #
Turn theke yto position 2inthe ignition lock and waitfor
appr oximately one minute.
The engine can be restar ted once the engine management has
de tected the new le vel. Display message
s andwarning and indicator lamps
297 297

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Tocontinue your journe y,shiT the transmission toposition kor
h.
Risk of vehicle rolling
Vehicle not in P *A
warning tone also sounds. The driver's door is open and the trans-
mission is in position i,korh. #
ShiT the transmission toposition j. #
Secure theve hicle against rolling away.
Without changing gear,
consult workshop *A
warning tone also sounds. You can no longer change the transmis-
sion position due toa malfunction.
If transmission position hhas been selected: #
Without changing the transmission position, consult a quali/ed
specialist workshop.
If transmission position j,kori has been selected: #
Inform a quali/ed specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Transmission position kcann ot
be selected. #
Inform a quali/ed specialist workshop.
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
switches toneutral i. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. #
ShiT the transmission toposition j. #
Inform a quali/ed specialist workshop.
Stop vehicle Leave
engine running Wait
Transmission cooling *T
he transmission is overheating. Pulling away may be temp orarily
impaired or not possible. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. Do not continue driving! #
Leavethe engine running. #
Wait until the display message disappears before pulling away.
&
inoperative Battery low *T
he on-board elect rical system voltage is too lo w.The hot-water auxili-
ary hea ter (stationary heater) has switched itself o. or cannot be
switched on. #
Drive for an extended distance.
The bat tery will be charge d. The hot-water auxiliary heater (sta-
tionary heater) will be operational again as soon as the on-board
electrical system voltage is su1cient.
& inoperative Refuel vehi-
cle *T
here is too little fuel in the fuel tank. The hot-water auxilia ryheater
(stationary heater) cann otbe switched on. #
Refuel theve hicle. 302 302
Display messages and
warning and indicator lamps

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
& inoperative See Owner's
Man. *T
he hot-water auxiliary heater (stationary heater) is malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine
has cooled down, make up tofour attem ptsto switch on the hot-
wa ter auxiliary heater (stationary heater), waiting se veral minutes
between each attem pt (/ page 131).
If th e hot-water auxiliary heater (stationary heater) does not switch
on: #
Consult a quali/ed specialist workshop. Lights Lights
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
b Left dipped beam (exa m-
ple) *T
he cor responding light source is defecti ve.
Ha ve defective LED lights replaced at a quali/ed specialist workshop. #
Obser vethe no tes on changing a bulb (/ page 113). #
Replace the defective bulb at the front (/ page 114) or rear
(/ page 115).
% Vehicles with LED lights on the trailer: if the cur rent falls below
th e minimum of 50 mA, a display message may appear even
th ough the trailer lights are working proper ly.
Adaptive Main-beam
Assist inoperative *A
daptive Highbeam Assist is malfunctioning. #
Switch high beam on/o. manuall y. #
Consult a quali/ed specialist workshop.
Adaptive Main-beam
Assist currently unavaila-
ble See Owner's Manual *A
daptive Highbeam Assist is deactivated and temp orarily inoperative.
The following causes are possible:
R The windscreen is dirty in the camera's /eld of vision.
R Visibility is impaired due toheavy rain, snow or fog. #
Clean the windscreen.
When the system de tects that the camera is fully operational, the
display will show the message Adaptive Main-beam Assist availa-
ble again
Ad aptive Highbeam Assist is operational again.
Active Light System inop-
erative *T
he active light function is faulty. #
Consult a quali/ed specialist workshop.
b AUTO lights inoperative *T
he light sensor is faulty. The automatic driving lights are malfunction-
ing. #
Switch the light functions on/o. manually (/ page 107). #
Consult a quali/ed specialist workshop.
Intell. Light System inop-
erative *T
he Intelli gent Light System is malfunctioning. The lighting system
re mains available without the Intelligent Light System functions. #
Consult a quali/ed specialist workshop. Display messages and
warning and indicator lamps
303 303

V
V
ehicle
ehicle W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ð Po we r steering system
wa rning lamp *The
red po wer steering warning lamp is on while theve hicle is on. A
wa rning tone also sounds.
The po wer assistance forth e steering could be malfunctioning. You may
need tosteer mo reforc efull y. #
Carefully continue toaqu ali/ed specialist workshop and ha vethe
stee ring checked immediatel y. Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
; Engine diagnostics warn-
ing lamp *The
yellow engine diagnostics warning lamp is on while theve hicle is
on.
There may be a malfunction in thefo llowing vehicle systems:
R Engine management
R Injection
R Exhaust system
R Ignition system (in vehicles with a petrol engine)
R Fuel system
This can cause the emissions limit values tobe exceeded and the
engine torun in eme rgency mode. #
Have theve hicle checked immediately at a quali/ed specialist work-
shop.
6
Fu elreser vewarning lamp *T
he yellow fuel reser vewarning lamp is on while theve hicle is on.
The fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (stationary heater) is deactivated in
th ere ser verange. #
Refuel theve hicle.
?
Coolant warning lamp *The
red coolant warning lamp is on while theve hicle is running and the
coolant temp erature display is at the start of the scale.
The temp erature sensor forth e coolant temp erature display is defec-
tive.
The coolant temp erature is no longer being monitored. If the coolant is
to o hot, the engine may be damaged. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. Do not continue driving! #
Secure theve hicle against rolling away. #
Consult a quali/ed specialist workshop.
? Coolant warning lamp *T
he red coolant warning lamp is on while theve hicle is on.
The coolant le vel is too lo w.
If th e coolant le vel is cor rect, the air supply tothera diator may be
impaired or thera diator's electric fan may be faulty.
The coolant is too hot and the engine is not being adequately cooled. #
Pay attention tothe display messages. Display messages and
warning and indicator lamps
309 309

Seat co
ver..........................................2 33
Sensors.............................................. 232
Ta ilpipes............................................. 232
Tr ailer hitc h......................................... 232
Wa shing byhand................................. 231
Wheels/rims....................................... 232
Wi ndo ws............................................. 232
Wi per blades....................................... 232
Car
Car pe
pet (car
t (car e)
e)............................................ 233
Carr
Carr ier syst
ier syst ems
ems
No tes................................................ .221
Centr
Centr e console
e console
Between the seats (o verview)................ 12
Lo we r section (o verview)....................... 11
Middle section (o verview)...................... 10
St ow age compartmen t.......................... 98
To p (o verview)......................................... 9
Changing a bulb
Changing a bulb
see Changing bulbs
Changing a wheel
Changing a wheel Lowe ring theve hicle........................... 263
Preparing........................................... .261
Ra ising theve hicle.............................. 262
Re moving a wheel.............................. .263
Changing bulbs
Changing bulbs
Light bulb types halogen headlamp s.... 114
No tes................................................ .113
Changing lam
Changing lam ps
ps
see Changing bulbs
Char
Char ging
ging
Battery............................................... 240
Child safe
Child safe ty lock
ty lock
Hinged windo ws.................................... 50
Child safe
Child safe ty loc
ty lock (door
k (door s)
s).............................. 49
Child seat
Child seat
Appr oval catego ries.............................. 41
At tach ing (no tes).................................. 41
Basic instructions................................. 38
Fr ont passenger seat (no tes)................. 48
Fr ont passenger seat (without auto-
matic airbag shuto.)............................. 47
ISOFIX (/tting)...................................... 44
No tes on risks and danger s................... 39
Re commendations forch ild
re straint systems.................................. 40
Seats suitable for belt-secured child
re straint systems.................................. 46
Seats suitable for ISOFIX child
re straint systems.................................. 43
Securing on the co-driver seat............... 48
Securing on there ar seat...................... 47
To pTe ther............................................. 45 Childr
Childr en en
Av oiding dangers in theve hicle............ .39
Basic instructions................................ .38
Cig
Cig are
arett
tte light
e light er
er
Fr ont centre console........................... 104
Cleaning
Cleaning see Care
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating....................... 125
Ad justing the air vents........................ 129
Air distribution settings....................... 126
Au tomatic control.............................. .126
Au xiliary heating................................. 129
Au xiliary warm-air hea ter..................... 133
Demisting the windscreen................... 127
Demisting windo ws............................. 127
Hot-water auxilia ryheater.................. .130
Re frigerant.......................................... 278
Setting the air distribution...................1 26
Setting the air0ow............................... 126
Setting thete mp erature...................... 127
Switching air-recirculation mode
on/o................................................. 127
Switching residual heat utilisation
on/o................................................. 128
Switching the A/C function on/o.......1 25
Switching there ar wind owheater
on/o................................................. 128
Switching there set function on/o.
(cont rol panel).................................... 127
TEMPMATIC operating unit.................. 123
THERMOTRONIC control panel............ 124
Ve ntilating theve hicle (con venience
opening)............................................... 64
Co-dr
Co-dr iv iver airbag
er airbag shut
shuto.
o.
see Automatic co-driver airbag shuto.
Coc
Coc kpit (ov
kpit (ov er
ervie
vie w)
w) ....................................... .6
Combination switch
Combination switch
see Headlamp 0ashing
see High beam
see Turn signal light
Comf Comf or
ort r
t r ear benc
ear benc h seat
h seat
Ad justing the seat backrest................... 81
Const
Const ant headlam
ant headlam p mode
p mode
see Daytime running lights
Conv
Conv enience closing
enience closing................................... 64
Conv
Conv enience opening
enience opening.................................. 64
Conv
Conv enience opening/closing
enience opening/closing................... 128
Conv
Conv er
ersions
sions................................................ 17
Coolant
Coolant Checking le vel.................................... 228 316
316
Index

Fu
elreser ve........................................ 274
Low outside temp eratures................... 273
Pe trol.................................................. 272
Quality (diesel ).................................... 273
Quality (petrol).................................... 272
Re fuellin g............................................ 146
Sulphur content.................................. 272
Ta nk content....................................... 274
F
F uel consump
uel consump tion
tion
Displaying theav erage........................ 184
F
F uses
uses........................................................ 250 G
G
Gear
Gear shiT
shiT lev
lever
er........................................... 141
Gear
Gear shiT
shiT r
r ecommendation
ecommendation
Manual shiTing (automatic trans-
mission).............................................. 144
Manual transmission........................... 141
Gener
Gener al oper
al oper ating per
ating per mit number (EC)
mit number (EC)...... 270
Glasses com
Glasses com par
partment
tment ................................. 99
Glov
Glov e com
e com par
partment
tment
Opening/closing................................... 99 H
H
Handbr
Handbr ak
ake (electr
e (electr ical)
ical)
see Electric parking brake
Hazar
Hazar d w
d war
arning light syst
ning light syst em
em
Switching on/o.................................. 108
Head r
Head r es
estrtraint
aint
Ad justing electrically............................. 95
Ad justing mechanical ly......................... 94
Headlam
Headlam p
p0ashing
0ashing .................................... 108
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam Replacing light sources...................... .114
Switching on/o.................................. 108
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e) ..................... 230
Highbeam
Highbeam
Adaptive Highbeam Assis t................... 110
Hill St
Hill Star
art Assist
t Assist......................................... 164
Hing
Hing ed wind ows
ed windo ws
Child saf ety loc k................................... 50
HOLD function HOLD function Notes................................................ .164
Switching on/o.................................. 164
Home scr
Home scr een (media displa
een (media displa y) y).................... 197
Ho
Ho t-w
t-w at
ater auxiliar
er auxiliar y heat
y heater
er
Ac tivating/deactivating with button..... 131 Displa
ys(remo tecont rol).................... 132
Fu nction............................................. 130
Problems............................................ 133
Switching on/o. byremo tecont rol.... .131 I I
Identi/cation
Identi/cation plate
plate
Engine................................................ 270
Re frigerant.......................................... 278
Ve hicle............................................... 270
Ignition key
Ignition key
see Key
Ignition lock
Ignition lock............................................. .136
Immobiliser
Immobiliser ................................................. 68
Im
Im plied w
plied w arr
arranty (v
anty (v ehicle)
ehicle) ............................ 25
Im
Im port
port er addr
er addr esses
esses
Wi reless components............................ 22
Indicat
Indicat or lam
or lam ps
ps
see Warning/indicator lamps
Inst
Inst allations
allations................................................ 17
Ins
Instr trument clust
ument clust er
er
Ad justing the lighting..........................1 83
Care................................................... 233
Displa ys.............................................. 181
No tes on warning/indicator lamps...... 304
Overview............................................ 181
Wa rning/indicator lamps overview..........7
Ins Ins tr
trument lighting
ument lighting................................... .183
Ins
Instr trument panel
ument panel
see Cockpit (o verview)
Int
Int ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating....................... 110
Ac tive headlamps................................ 109
Ad aptive Highbeam Assis t................... 110
Cornering light.................................... 109
Mo torw ay mode................................. .109
Overview............................................1 09
Int Int er
er ior lighting
ior lighting
Ambient lighting.................................. 113
Re placing light sources...................... .116
Setting................................................1 12
Swit ch-o. delay time.......................... 113
Int Int er
erior mo
ior mo tion sensor
tion sensor
Fu nction............................................... 69
Switching on/o.................................... 69
iP
iP ad
ad ®
®
att
att ac
achment
hment.................................... .106
iPhone
iPhone ®
®
see Smartphone integ ration
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Fi tting................................................... 44 320
320
Index