maintenance MERCEDES-BENZ V-CLASS 2021 Owner's Manual

Before
tow- starting, ensure thefo llowing:
R make sure that the battery is connected and
ch arge d. The vehicle cann otbe switched on
ot herwise and there will be no steering and
braking assistance.
R use a towing bar and attach it tothe front tow-
ing eye (/ page 249) onl y.
R ifth eve hicle does not start aTer a fewsec-
onds, try a jump-starting procedure using the
battery of ano ther vehicle (/ page 240).
T
T o
o w
w -st
-st ar
arting pr
ting pr ocedure
ocedure #
Switch on the hazard warning lamps
(/ page 108). #
If necessar y,allow the engine and theex haust
system tocool down. #
Swit chon theve hicle. #
ShiT to2nd or 3rd gear. #
Release the parking brake. #
Keep the clutch pedal fully depressed when
to w- starting theve hicle. #
Release the clutch pedal slo wly. #
Immediately shiT toneutral if theve hicle
starts. #
Stop in accordance with the tra1c conditions. #
Use the parking brake tosecure theve hicle
against rolling away. #
Remo vetheto wing device. #
Remo vetheto wing eye. #
Switch o. the hazard warning lamps
(/ page 108). Electr
Electr
ical fuses
ical fuses N
No
ot
t es on electr
es on electr ical fuses
ical fuses *
N
NOOTE
TE Electrical fuses #
Obser vethe information in the supple-
ment. You may otherwise failto recog-
nise dangers. The fuse allocation
chart and the information on
th e fuses can be found in the "Fuse allocation
ch art" Supplement. V
V
ehicle t
ehicle t ool kit
ool kit Inf
Inf
or
ormation on t
mation on t he v
he vehicle t
ehicle t ool kit
ool kit The
vehicle tool kit is in there ar st owage compart-
ment.
Apart from some countr y-speci/c variants, vehi-
cles without a spare wheel are not equipped with a
tyre-changing tool.
If yo ur vehicle is equipped with a tyre-change tool
kit, you can /nd it in theve hicle tool kit in there ar
st ow age compartment.
Some tools forch anging a wheel are speci/c to
th eve hicle. For more information on which tyre-
ch ange tool kits are requ ired and appr ovedfo r per-
fo rm ing a wheel change on your vehicle, consult a
qu ali/ed specialist workshop.
Re quired tyre-change tool kits may include thefo l-
lowing, forex ample:
R Jack
R Wheel spanner
R Ratchet ring spanner
% The jack has a maximum weight of 7.5 kg
depending on theve hicle's equipment.
Yo u will /nd the maximum load capacity of the
jack stated on the adhesive label attached to
th e jac k.
The jack is maintenance-free. If there is a mal-
function, please contact a quali/ed specialist
wo rkshop. S S
t
to
o w
w ag
ag e com
e com par
partment in t
tment in t he r
he rear
ear Opening t
Opening t
he stow
he st owag
age com
e com par
partment
tment St
ow age compartment in there ar on theright-
hand side of theve hicle 250
250
Breakdown assis
tance

Inf
Inf
or
ormation on t
mation on t he t
he tec
echnical data
hnical data
The tech nical data was de term ined in accordance
with EU Directives. The given data only applies to
ve hicles with standard equipment. You can obtain
fur ther information at a quali/ed specialist work-
shop.
Onl
Onl y f y for cert
or cert ain countr
ain countr ies:
ies:you can /n dvehicle-
speci/c vehicle data in theCO C documents (CER-
TIFIC ATE OF CONFORMITY). These documents are
supplied when theve hicle is deli vered. On-boar
On-boar
d electr
d electronics
onics N
No
ot
tes on w
es on w or
ork on t
k on t he engine electr
he engine electr onics
onics *
N
NOOTE
TE Premature wearthro ugh improper
maintenance Improper maintenance may cause
vehicle com-
ponents towe ar more quickly and theve hicle's
operating permit may be in validated. #
Always ha veworkon the engine elec-
tronics and related components car ried
out at a quali/ed specialist workshop. T
T
w
w o-wa
o-wa y r
y radios
adios Inst
Inst
allation not
allation not es f
es f or tw
or tw o-wa
o-way r
y radios
adios &
W
WARNING
ARNING Risk of accident due to
improper workon two-w ayradios
If two-w ayradios are manipulated or retro/tted
inco rrectl y,the electromagnetic radiation from
th e two-w ayradios can inter fere with theve hi-
cle elect ronics and jeopa rdise the operating
saf ety of theve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of accident due to
improper operation of two-w ayradios
If yo u use two-w ayradios in theve hicle
improper ly,th eir electromagnetic radiation can
disrupt theve hicle's elect ronics. This is the
case in thefo llowing situations, in particular:
R The two-w ayradio is not connected toan
ex terior aerial.
R The exterior aerial is /tted incor rectly or is
not a lo w-re0ection aerial. This could jeopardise
the operating saf ety of
th eve hicle. #
Have the lo w-re0ection exterior aerial /t-
ted at a quali/ed specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe lo w-
re 0ection exterior aerial. *
N
NOOTE
TE Inva lidation of the operating permit
due tofailure tocomply with the inst ruc-
tions for installation and use The operating permit may be in
validated if the
inst ructions for installation and use of two-w ay
ra dios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out-
put po wer in these frequency bands. #
Only use appr oved aerial positions. Use
Tech nical Speci/cation ISO/TS 21609 (Road
Ve hicles - EMC guidelines for installation of aTer-
mar ketradio frequency transmitting equipment)
when retro/tting two- wayra dios. Comply with the
legal requ irements for de tach able parts.
If yo ur vehicle has /ttings for two-w ayradio equip-
ment, use the po wer supply or aerial connections
intended for use with the /ttings. Obser vethe
manufacturer's supplements during ins tallation.
T
T w
w o-wa
o-wa y r
y radio tr
adio tr ansmission output
ansmission output
The maximum transmission outputs (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table:
Fr
Fr eq
eq uency band and maximum tr
uency band and maximum tr ansmission out-
ansmission out-
put
put F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
Short wave
3 – 54 MHz 100 W
4 m waveband
74 – 88 MHz 30 W
2 m waveband
144 – 174 MHz 50 W
Tr unked radio system/
Te tra
380 – 460 MHz 10 W Te
ch nical data
269
269

one
that does not comply with the speci/cations of
th ese operating inst ructions.
* N
NO OTE
TE Damage caused byadditives in
Ad Blue ®
or by diluting AdBlue ® The
AdBlue ®
ex haust gas aTertreatment sys-
te m could be dest roye dby thefo llowing:
R additives in AdBlue ®
R diluting AdBlue ® #
Only use AdBlue ®
in acco rdance with
ISO 22241. #
Do not mix additives. #
Do not dilu teAd Blue ®
. *
N
NOOTE
TE Dama geand malfunctions caused
by impurities in AdBlue ® Impurities in
AdBlue ®
result in thefo llowing:
R higher emission values
R damage tothe catalytic con verter
R engine damage
R malfunctions in theAd Blue ®
ex haust gas
aTertreatment system #
Avoid impurities in AdBlue ®
. Ad
Blue ®
residue cr ystallises aTer some time and
stain the a.ected sur faces. Clean the dirty sur fa-
ces with water as soon as possible.
If yo u open theAd Blue ®
tank, small amounts of
ammonia vapour may be released. Do not inhale
any ammonia vapours that may be released. Fill
th eAd Blue ®
tank only in well-ventilated areas.
A
A dBlue
dBlue ®
®
consump
consump tion and
tion and/lling
/llingcapacity
capacity
F
F illing capacities
illing capacities
The tota l capacity of theAd Blue ®
tank may vary,
depending on theve hicle equipment.
Tot
Tot al capacity of A
al capacity of A dBlue
dBlue®
®
t
tank
ank V
V
ehicle Tot
ehicle Total capacity
al capacity
All model s1 1.5 litres, 24 litres or
25 litres A
A
dBlue
dBlue ®
®
consump
consump tion
tion
Like fuel consum ption, AdBlue ®
consu mption is
high lydependent upon driving style and operating
conditions. AdBlue ®
consu mption is usually within
a ra nge of 1 and 5% of the fuel consum ption. If necessar
y,Ad Blue ®
must be re/lled in acco rdance
with the inst ructions when there /ll message is dis-
pla yed in the inst rument cluster. This may also be
necessary between the scheduled maintenance.
Check theAd Blue ®
/ll le vel before making jour-
ne ys outside of Europe.
A
A dBlue
dBlue ®
®
r
rang
ang e and
e and /ll
/lllev
level
el
The AdBlue ®
/ll le vel and range can be displa yed
via the on-board computer. The AdBlue ®
range
sh ow n depends strongly on the driving style and
operating conditions. The actual range can there-
fo re deviate from thera nge cur rently displa yed in
th e on-board computer. The information given in
th e operator's manual in display messages rega rd-
ing there ser vequantity and the minimum top-up
qu antity when the fuel tank is em pty is also tobe
understood as guide values.
Display theAd Blue ®
range and le vel
( / page 184). Engine oil
Engine oil N
No ot
tes on engine oil
es on engine oil
Obser vethe no tes on operating 0uids
(/ page 271). *
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 other
th an those which meet the speci/cations
necessary forth e prescribed service
inter vals. #
Do not alter the engine oil or oil /lter in
order toachie velonger change inter vals
th an prescribed. #
Do not use additives. #
Have the engine oil changed aTer the
prescribed inter vals. Mercedes-Benz
recommends having the oil
ch anged at a quali/ed specialist workshop. Te
ch nical data
275
275

Re
commended windscreen washer 0uid:
R Above freezing point: e.g. MB SummerFit
R Below freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio, referto the informa-
tion on the anti-freeze container.
Mix thewa sher 0uid with windscreen washer 0uid
all year round. R
R
efr
efr ig
iger
er ant
ant N
No
ot
tes on r
es on r efr
efrig
iger
er ant
ant
Obser vethe no tes on operating 0uids
(/ page 271).
% Your vehicle's climate cont rol system may be
/lled with there frigerant R134a. The refriger-
ant R134a contains 0uorinated greenhouse
ga s.
The refrigerant type of your vehicle can be found
on the information label of the climate control sys-
te m. The information label can be found on the
ra diator cross-member.
* NO
NO TE
TEDamage due toincor rect refrigerant If
th e incor rect refrigerant or refrigerant com-
pressor oil (P AGoil) is used, this can damage
th e climate control system. #
Use only refrigerant and thePA G oil
appr ovedfo ryo ur vehicle byMercedes-
Benz. #
Do not mix the appr ovedPA G oil with
ano ther PAG oil. Maintenance
work, such as topping up there friger-
ant or replacing components, may be car ried out
only byaqu ali/ed specialist workshop. All applica-
ble regulations, as well as SAE standard J639,
must be adhered to.
Ha ve all workon the climate control system car-
ri ed out at a quali/ed specialist workshop. Example:
refrigerant information label
1 Symbols for hazard and service information
2 Refrigerant capacity
3 Applicable standards
4 PAG oil part number
5 Refrigerant type
Symbols 1advise you of thefo llowing:
R Potential dangers
R The per form ance of maintenance workat a
qu ali/ed specialist workshop V
V
ehicle data
ehicle data Inf
Inf
or
ormation on v
mation on v ehicle dimensions
ehicle dimensions The
following section contains impor tant tech nical
data foryo ur vehicle. Your vehicle documents con-
ta in fur ther vehicle-speci/c and equipment-
dependent tech nical data such as vehicle dimen-
sions and weights.
Cur rent tech nical data can also be found online at
https://www.mercedes-benz.com
The values speci/ed may vary as a result of thefo l-
lowing variables:
R tyres
R loading
R condition of the suspension
R optional equipment 278 278
Te
ch nical data

All-wheel dr
All-wheel dr
ive
ive
see 4MATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)..... .113
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle................................. 50
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (anti-lo ckbraking system)
Anti-skid c
Anti-skid c hains
hains
see Snow chains
Anti-t
Anti-theT heTalar
alarm syst
m syst em
em
see ATA (Anti-TheT Alarm system)
Anti-t
Anti-theT heTprot
pr otection
ection
Immobiliser........................................... 68
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (Anti-TheT Alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection sy
ection sy s-
s-
t
t em
em
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Aq
Aq uaplaning
uaplaning.............................................. 139
Ar
Ar mr
mr est
est
St ow age compartmen t.......................... 99
Ashtr ay
Ashtr ay
Re ar passen ger compartment.............1 03
Use (front centre console)................... 103
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem
Assist
Assist ant displa
ant displa y (on-boar
y (on-boar d com
d comput
puter)
er)...... .184
ASS YST
ASS YST
see AS SYST PLUS service inter val display
ASS YS
ASS YST PL
T PL US ser
US ser vice int
vice int erv
erval display
al display
Displaying the service due dat e........... 223
Fu nction/no tes................................... 223
Non-operational times with the bat-
te ry disconnected............................... 224
Re gular maintenance work.................. 223
Special service requ irements.............. 223
AT
ATA A(Anti-
(Anti- TheT
TheT Alar
Alarm syst
m syst em)
em)
Ac tivating/deactivating interior pro-
te ction.................................................. 69
Fu nction............................................... 68 Interior motion sensor function............. 69
St
opping the alarm................................ 68
Switching tow- awa y protection on/o.... 69
To w- awa y protection function................69
A
A tt tt ac
ac hments
hments............................................... 17
A
A TTENTION ASSIST
TTENTION ASSIST
Function............................................. 173
Switching on/o.................................. 173
System limi tations............................... 173
A A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........ 35
PA SSENGER AIR BAG indicator la mp..... 36
A
A ut
ut omatic dist
omatic dist ance adjus
ance adjustmenttment
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ............................. 107
A
A ut
ut omatic engine st
omatic engine st ar
art (EC
t (EC O st
O star
art/st
t/st op
op
function)
function) ................................................... 139
A
A ut
ut omatic engine st
omatic engine st op (EC
op (ECO st
O star
art/st
t/st op
op
function)
function) ................................................... 139
A
A ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident......... 38
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver.......................... 141
Drive prog ram displa y......................... 144
Drive prog rams.................................. .144
DY NAMIC SELECT swit ch.................... 144
Engage park position........................... 143
Engage reve rsege ar............................ 142
Engaging drive position....................... 143
Engaging neutral................................ .142
Kickdown............................................1 45
Manual shiTing................................... 144
Re stricting the shiT range................... 143
Selecting the drive prog ram................ 144
St eering wheel gearshiT paddles......... 144
Tr ansmission position displ ay.............. 141
Tr ansmission position s........................ 141
A
A uxiliar uxiliar y heating
y heating
No tes................................................ .129
A
A uxiliar
uxiliar y w
y war
arm-air heat
m-air heat er
er
Fu nction............................................. 133
Immediate heating mod e..................... 134
Overvie w,timer................................... 133
Problems............................................ 134
Setting the departure time.................. 134
Setting thete mp erature/operating
duration..............................................1 34
Setting the timer................................. 133
Axle load
Axle load................................................... 270 314 314
Index