2021 MERCEDES-BENZ V-CLASS fuse

Overview and operation of
the on-board
computer ................................................. 181
Overview of data shown on the inst ru-
ment clus ter display ................................. 183
Ad justing the inst rument lighting .............. 183
Overview of menus on the on-board
computer ................................................. 183
Menus and submenus .............................. 184 Mer
Mer
cedes me
cedes me ........................................... 191 191
Mercedes me calls ................................... 191
Mercedes me connect ............................. 193
Mercedes me and apps ............................ 194 MBUX multimedia syst MBUX multimedia syst
em
em......................... 196 196
Overview and operation ............................ 196
System settings ....................................... 199
Na vigation ................................................ 202
Te lephone ................................................ 207
Overview of Smartphone Integ ration ......... 209
We b br owser overview ............................. 210
Ra dio and media ...................................... 210
Sound settings ........................................ .213 T
T
r
ranspor
anspor ting
ting............................................. 214 214
No tes on loading guidelines ..................... .214
Load distribution ...................................... 215
Securing loads ......................................... 216
Load securing aid ..................................... 218
Car rier systems ........................................ 221 Maint Maint
enance and car
enance and car e
e.............................. 223 223
No tes on maintenance ............................. 223
Se rvice inter val display ............................. 223
Engine compartment ................................ 224
Cleaning and care .................................... 230 Br
Br
eakdo
eakdo wn assist
wn assist ance
ance.............................. 235 235
Emer gency ............................................... 235
Mercedes-Benz eme rgency call system .... 236
Flat tyre ...................................................2 38
Battery ..................................................... 238
To wing or tow- starting .............................. 245
Electrical fuses ......................................... 250
Ve hicle tool kit ........................................ .250 Wheels and tyr Wheels and tyr
es
es...................................... 252 252
Information on noise or unusual driving
ch aracteristics ......................................... 252
No tes on regula rly inspecting wheels
and tyres ................................................ .252 Information on driving with summer
tyres ........................................................ 252
Information on M+S tyres ......................... 252
No
tes on snow chains .............................. 253
Ty re pressure ........................................... 253
Changing a wheel .................................... .258
Information on wheel and tyre combina-
tions ........................................................ 264
Spare wheel ............................................. 267 T T
ec
ec hnical dat
hnical dat a
a.......................................... 269 269
Information on thete ch nical data ............. 269
On-board electronics ................................ 269
Re gula tory radio identi/cations and
no tes ...................................................... .270
Ve hicle identi/cation plate, vehicle iden-
ti/cation number (VIN) and engine num-
ber ........................................................... 270
Operating 0uids and capacities ............... .271
Ve hicle data ............................................. 278
Tr ailer hitch ............................................. .279
Lashing points and car rier systems ...........2 80 Displa Displa
y messag
y messag es and w
es and war
arning and indi-
ning and indi-
cat
cat or lam
or lam ps
ps.............................................. 281 281
Display message s .................................... .281
Wa rning and indicator lamps .................... 304 Inde
Inde
x
x.......................................................3 13
313 Contents
3
3

If
yo u use parts, tyres, wheels or saf ety-re leva nt
accessories which ha venot been app rove dby
Mercedes-Benz, the operating saf ety of theve hicle
may be jeopardised. Saf ety-re leva nt systems, e.g.
th e brake system, may malfunction. Use only genu-
ine Mercedes-Benz GenuineParts or parts of equal
qu alit y.Use only tyres, wheels and accessory parts
th at are appr ovedfo ryo ur vehicle model.
Mercedes-Benz tests original pa rts, con version
parts and accessory parts that ha vebeen
appr ovedfo ryo ur vehicle model forre liability,
saf ety and suitability. Despite ongoing mar ket
re sear ch, Mercedes-Benz is unable toassess other
parts. Mercedes-Benz accepts no responsibility for
th e use of such parts in Mercedes-Benz vehicles,
ev en if they have been appr oved o1cially or inde-
pendent lyby ate sting centre.
Ce rtain parts are only o1cial lyappr ovedfo r instal-
lation or modi/cation if they comply with legal
re qu irements. All genuine Mercedes-Benz Genu-
ineParts meet there gistration requ irements. The
use of non-appr oved parts may in validate theve hi-
cle's general ope rating permit.
This is the case in thefo llowing situations:
R The vehicle type changes from that stated in
th ege neral ope rating permit.
R Other road users could be endangered.
R The exhaust gas or noise le vels are adversely
a.ec ted.
Alw ays specify theve hicle identi/cation number
(VIN) and engine number when ordering genuine
Mercedes-Benz GenuineParts (/ page 270).Inf
Inf
or
ormation about att
mation about att ac
achments, add-on eq
hments, add-on eq uip-
uip-
ment, inst
ment, inst allations and conv
allations and conv er
ersions
sions
Not
Not es on body/eq
es on body/eq uipment mounting dir
uipment mounting directiv ectives
es
Fo r saf etyre asons, ha veadd-on equipment pro-
duced and /tted in accordance with theva lid
Mercedes-Benz body/equipment mounting direc-
tives. These body/equipment mounting directives
ensure that thech assis and add-on equipment
fo rm one unit and that thegr eatest possible le vel
of operational and driving saf ety is achie ved.
Bo th vehicle manufacturers and body manufactur-
ers must alw ays ensu rethat the products they
manufacture come into circulation only in a safe
state and do not pose any risks topeople. Other-
wise, there may be consequences under civil, crim-
inal or public la w.All manufacturers are responsi-
ble forth e products that they have manufactured.
Manufacturers of attachments, add-on equipment, ins
tallations and con versions must guarantee com-
pliance with Directive 2001/95/EC on general
product sa fety.
Mercedes-Benz recommends thefo llowing proce-
dure for saf etyre asons:
R Do not make any other changes totheve hicle.
R Obtain appr oval from Mercedes-Benz in the
eve nt of deviations from the appr oved body/
equipment mounting directives.
Ac cep tance tests pe rformed bypublic test bodies
or o1cial appro vals do not rule out saf etyrisks.
Comply with the information about Mercedes-Benz
ge nuine parts (/ page 16).
Yo u will /nd the Mercedes-Benz body/equipment
mounting directives online at the https://bb-
por tal.mercedes-benz.com/en/GLOBAL
Yo u will also /nd information about the PIN assign-
ment and changing the fuse there.
% You can obtain fur ther information at a quali-
/ed specialist workshop. &
W WARNING
ARNING Risk of accident and injury in
th eev ent of improper con versions or
ch anges totheve hicle
Con versions or changes totheve hicle can pre-
ve nt systems or components from functioning
prope rly and/or jeopardise theve hicle's
operational saf ety. #
Always ha vecon versions or changes to
th eve hicle car ried out at a quali/ed
wo rkshop. N
No
ot
tes on t
es on t he r
he radiat
adiat or
or
Even seemingly minor changes totheve hicle, such
as attaching a radiator grille in winter, are not per-
mitted. Do not co verth era diator. Do not use any
th ermal mats, insect pr otection co vers etc.
Otherwise, theva lues of theve hicle's diagnostic
system will be dis torted. In some countries, the
re cording of engine diagnostics data is prescribed
by law and must be veri/able and cor rect at all
times. Oper
Oper
ating Ins
ating Ins tr
tructions
uctions
These Operating Instructions describe all models,
as well as standard and optional equipment of your
ve hicle that wa sav ailable at the time of going to
press. Countr y-speci/c di.erences are possible.
No tethat your vehicle may not be /tted with all
functions described. This is also the case for sys- General no
tes
17 17

A
A
uxiliar
uxiliar y heating aut
y heating aut omaticall
omatically switc
y switches
heso.
o.and/or
and/or
canno
canno t be switc
t be switc hed on.
hed on.
Po ssible cause:
R The under voltage pr otection system integ rated
in the control unit switches auxiliary heating o.
as the on-board electrical system voltage is
below 10 V. #
Have thege nerator and the battery checked.
Po ssible cause:
R The elect rical fuse has blown. #
Replace the electrical fuse; see "Fuse assign-
ment" supplement. #
Have the cause of thefa ulty fuse in vestigated
at a quali/ed specialist workshop.
The ho
The ho t-air auxiliar
t-air auxiliar y heat
y heater has ov
er has overerheat
heat ed
ed
Po ssible cause:
R The air ducts are clogged. #
Ensure that the 0ow of hot air is not bloc ked. #
Have the auxiliary heating checked at a quali-
/ed specialist workshop. Climate cont
rol
135
135

There is a danger of collision!
#
Inthese situations, do not use Active
Pa rking Assist. Snowfall or heavy
rain may lead toa parking space
being measured inaccu rately.Pa rking spaces that
are partial lyoccupied bytrailer dr awbars might not
be identi/ed as such or be measured incor rectl y.
Only use Active Parking Assist on le vel, high-g rip
gr ound.
Do not use Active Parking Assist in thefo llowing
situations, among others:
R inextreme weather conditions such as ice,
pac ked snow or in heavy rain
R when cornering
R for parking spaces which are not on the same
le ve l as thero ad, e.g. not on the pa vement
R when transporting a load that pr otru des
be yond theve hicle
R when snow chains are /tted
Ac tive Parking Assist may also display parking
spaces that are not suitable for parking, forex am-
ple:
R parking spaces where parking is prohibited
R parking spaces on unsuitable sur faces
Ac tive Parking Assist will not assist you with par k-
ing spaces perpendicular tothe direction of tr avel
in thefo llowing situations:
R if two parking spaces are located immediately
next toeach other
R ifth e parking space is immediately next to a
low obstacle such as a kerb
R ifyo u are parking forw ards
Ac tive Parking Assist will not assist you with par k-
ing spaces parallel or perpendicular tothe direc-
tion of tr avel in thefo llowing situations:
R ifth e parking space is on a kerb
R ifth e system deems the parking space tobe
bloc ked, such as byfoliage or grass paving
bloc ks
R ifth e area is too small forth eve hicle to
manoeuv reinto
R ifth e parking space is bordered byan obs ta-
cle, e.g. a tree, a post or a trailer P
P ar
ar king using A
king using A ctiv
ctive P
e Par
arking Assist
king Assist &
W
WARNING
ARNING Risk of accident due toinsu1-
cient lysecuring theve hicle against rolling
awa y when exiting theve hicle
If yo u lea vethe driver's seat when theve hicle
is being braked byActive Parking Assist onl y,it
could rollaw ay inthefo llowing situations:
R ifth ere is a malfunction in the system or in
th e po wer suppl y.
R ifth e electrical system in the engine com-
partment, the battery or the fuses are tam-
pered with.
R ifth e battery is disconnected.
R ifth eve hicle is accelerated, e.g. byave hi-
cle occupant. #
Before leaving the driver's seat, alw ays
secure theve hicle against rolling away. #
Bring theve hicle safely toa stop when the
parking symbol with an ar row sho ws the
desired parking space. &
W
WARNING
ARNING Risk of accident due tovehicle
swinging out while parking or pulling out of
a parking space
While parking or pulling out of a parking space,
th eve hicle swings out and can drive onto
areas of the oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with Park-
ing Pilot. #
V Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: shiTto
re ve rsege ar. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe
transmission toposition k.
The instrument cluster display sho ws theStart
Parking Assist? Yes: OK No: ~message
and the location of the parking space. #
T
To cancel t
o cancel t he pr
he process:
ocess: pressthe~ steer-
ing-wheel button or drive o..
or Driving and parking
171
171

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

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