2021 MERCEDES-BENZ V-CLASS auxiliary battery

R
hot vehicle parts do not come into
contact with 0ammable materials.
R theex haust gas can 0ow out of the
stationa ryheater exhaust pipe unhin-
dered.
R theex haust gas does not come into
contact with 0ammable materials. The heater
forth e auxiliary heating is /t tedatthe
front of theve hicle underbod y.The emissions out-
let is on the leT side of theve hicle below the front
door. &
W
WARNING
ARNING Risk of poisoning during work
on the auxiliary warm-air hea ter
If wo rkon the heat exch anger of the auxiliary
wa rm-air hea ter is not per form ed cor rectl y,
ex haust fumes could leak into the passenger
compartment. #
Have all workon the auxiliary warm-air
hea ter car ried out at a quali/ed specialist
wo rkshop. If
yo u are transporting hazardous materials, com-
ply with there leva nt sa fety regulations. Place
objects a su1cient distance from the auxiliary
heating outlet opening.
* N
NO OTE
TE Damage tothe auxiliary heating due
to ove rheating If
th e 0ow of hot air is bloc ked, the auxiliary
heating may overheat and switch o.. #
Do not block the 0ow of hot air. *
N
NOOTE
TE Battery dischar gecaused bystation-
ary heater or stationa ryventilation ope ra-
tion Operating
the stationary heater or stationary
ve ntilation drains the batter y. #
ATer heating or ventilating theve hicle
twice, drive for a longer period of time. Yo
ur vehicle may be equipped with either a hot-
wa ter auxiliary heater or an auxiliary warm-air
hea ter.
The ho hot-w
t-w at
ater auxiliar
er auxiliar y heat
y heat er
eris adjusted and
ope rated using the& rock er switch on the cli-
mate control system operating unit and via the
multimedia system or byremo tecont rol. The auxiliar
auxiliar y w
y war
arm-air heat
m-air heat er
eris adjusted and oper-
ated via the switch clock on the lo wer centre con-
sole. Ho
Ho
t-w
t-w at
ater auxiliar
er auxiliar y heat
y heat er
er F
F
unction of t
unction of t he ho
he hot-w
t-wat
ater auxiliar
er auxiliar y heat
y heater
er
Obser vethe no tes on auxiliary heating
(/ page 129).
The hot-water auxiliary heater has a heater boos-
te r,stationary heater and stationary ventilation
function.
The stationary hea ter automatically adapts its
operating mode tochanges in outside temp erature
and weather conditions. It is therefore possible
th at the stationary heater may switch from ventila-
tion toheating mode or from heating toventilation
mode.
The stationary hea ter will automatically switch
itself o. aTer a maximum of 50 minutes. The
heater booster function helps toheat up theve hi-
cle while the engine is running and at low outside
te mp eratures.
Yo u can set up tothre e departure times for pre-
entry climate control byremo tecont rol or via the
multimedia system. The switch-on time is then cal-
culated based on the outside temp erature and the
activated departure time. This means that your
ve hicle is preheated or precooled bythe set depar-
ture time.
If th e departure time is reached and theve hicle is
not star ted, the auxiliary heating will continue to
ru nfo r appr oximately /ve more minutes. It will
th en switch o. automaticall y.
When the auxiliary heating is heating and theve hi-
cle is star ted, the heater booster function of the
auxiliary heating will be activated.
When the auxiliary heating is ventilating and the
ve hicle is star ted, the auxiliary heating will be auto-
matically switched o.. 130 130
Climate control

R
R
ectifying pr
ectifying pr oblems wit
oblems with t
h the ho
he ho t-w
t-wat
ater auxiliary
er auxiliary
heat
heat er
er
F
F AIL
AIL ¨
¨appear
appear s on t
s on the r
he remot
emot e contr
e contr ol display
ol display
Po ssible cause:
R Signal transmission between transmit ter and
re ceiver is malfunctioning. #
Change your position in relation totheve hicle,
moving closer if necessar y.
F
F AIL appear
AIL appear s on t
s on the r
he remot
emot e contr
e contr ol display
ol display
Po ssible cause:
R The star ter battery is not su1ciently charge d. #
Char gethe star ter batter y.
Po ssible cause:
R The fuel tank is not /lled up tothere ser ve
le ve l. #
Refuel at the nearest /lling station.
F
F AIL appear
AIL appear s on t
s on the r
he remot
emot e contr
e contr ol displa
ol displa y
y¯
¯
Po ssible cause:
R The auxiliary heating has malfunctioned. #
Have the auxiliary heating checked at a quali-
/ed specialist workshop. A
A
uxiliar
uxiliar y w
y war
arm-air heat
m-air heat er
er F
F
unction of t
unction of t he auxiliar
he auxiliary w
y w ar
arm-air heat
m-air heat er
er
Obser vethe no tes on auxiliary heating
(/ page 129).
The air-in take opening forth e auxiliary warm-air
hea ter is located on the inner side of the leT front
seat base. The warm-air outlet is on there ar side
of the leT front seat.
The auxiliary warm-air hea ter supplements the cli-
mate control system of your vehicle and has an
auxiliary heating function.
The stationary heater will switch o. automatically
when theve hicle is switched o. or when the set
heating duration has elapsed.
The immediate heating mode of the auxiliary heat-
ing supports the climate control system when the
engine is running and the outside temp erature is
lo w.
The switch clo ckforth e auxiliary warm-air hea ter
is located in the lo wer centre console.
Yo u can use the switch clock toset up tothree
departure times for pre-entry climate control. Switc
Switc h cloc h cloc kov
k over ervie
vie w (auxiliar
w (auxiliar y w
y war
arm-air heat
m-air heat er)
er) 1
Select option / change values
2 Menu bar
3 Select option
4 Pressing brie0y :con/rms a selection or set-
ting
Pressing and holding: switches immediate
heating mode on/o.
5 Status bar
6 Pressing brie0y: switches switch clock on /
cancels or term inates the settings in a menu
Pressing and holding: term inates all functions
Switc
Switc hing t hing t he switc
he switc h cloc
h clock on (auxiliar
k on (auxiliar y w
y war
arm-air
m-air
heat
heat er)
er) #
Press button 6.
% The switch clock will switch tostandby mode
aTer ten seconds. The display will go o..
Se
Se tting t
tting t he switc
he switc h cloc
h clock (auxiliar
k (auxiliar y w
y war
arm-air heat
m-air heat er)
er)
Se
Se tting t
tting t he time
he time
Yo u must reset the da y,time and default value for
th e operating duration in thefo llowing cases:
R initial operation
R aTer a voltage supply inter ruption (e.g.if the
battery has been disconnected)
R aTer a malfunction #
Press button 1or3 until 4 0ashes on
menu bar 2. #
Press button 4. #
Press button 1or3 until Î0ashes. #
Press button 4. #
Use button 1or3 toset the hours. Climate control
133
133

#
Press button 4. #
Use button 1or3 toset the minutes. #
Press button 4.
Se
Se tting t
tting t he time f
he time f or
ormat
mat #
Press button 1or3 until 4 0ashes on
menu bar 2. #
Press button 4. #
Press button 1or3 until the symbol forthe
time form at 0ashes. #
Press button 4. #
Select the desired time form at using button 1
or 3. #
Press button 4.
Se
Se tting t
tting t he day
he day #
Press button 1or3 until 4 0ashes on
menu bar 2. #
Press button 4. #
Press button 1or3 until the symbol forthe
day 0ashes. #
Press button 4. #
Use button 1or3 toselect the desired day
of thewe ek. #
Press button 4.
Switc
Switc hing immediat
hing immediat e heating mode
e heating mode on/o.
on/o. #
T
To switc
o switc h on:
h on: press button 4until y
0ashes on menu bar 2.
On will brie0y appear on the displa y,follo wed
by there maining operating duration or the
à symbol for continuous operation. #
T
To switc
o switc h
h o.:
o.: press button 4until Off
appears on the displa y.
Se
Se tting t
tting t he depar
he depar tur
ture time (auxiliar
e time (auxiliar y w
y war
arm-air
m-air
heat
heat er)
er)
Yo u can set thre e departure times with the switch
cloc k.Fo llowing malfunctions or if the battery has
been disconnected, you will need tore-set the
departure times.
Selecting a pr Selecting a pr ogr
ogram memory
am memory #
Press button 1or3 until j0ashes on
menu bar 2. #
Press button 4.
The numbers of the prog ram memories are
shown on status bar 5. The tick denotes acti-
va ted prog ram memories. #
Use button 1or3 toselect the desired pro-
gr am memor y. #
Press button 4.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating pr
ating progr
ogram memor
am memor ies
ies #
Use button 1or3 toselect OnorOff. #
Press button 4.
Editing pr
Editing pr ogr
ogram memor
am memor ies
ies #
Use button 1or3 toselect 4. #
Press button 4. #
Set the day of thewe ek and the time
(/ page 133).
Se
Se tting t
tting t he t
he tem
emper
per atur
atur e and oper
e and oper ating dur
ating duration
ation
(auxiliar
(auxiliar y w
y war
arm-air heat
m-air heat er)
er) #
Press button 4. #
Set thete mp erature with button 1or3. #
Press button 4. #
Set the operating duration with button 1or
3 or select theà symbol for continuous
operation. #
Press button 4.
% The operating duration set is the default set-
ting for immediate heating mode. You can set
th e operating duration within a range of 10 to
120 minutes or tocontinuous operation.
R
R ectifying pr
ectifying pr oblems wit
oblems with t
h the auxiliar
he auxiliar y w
y war
arm-air
m-air
heat
heat er
er
The messag
The messag e
eERROR appear
appears on t
s on the switch
he switch
cloc
cloc k's displa y.
k's displ ay.
Po ssible cause:
R A malfunction has occur red. #
Have the auxiliary heating checked at a quali-
/ed specialist workshop.
The messag
The messag e
eINIT appear
appear s on t
s on the switc
he switc h cloc
h clock's
k's
displa y.
displa y.
Po ssible cause:
R The po wer supply has been inter rupted. All
sa ved settings ha vebeen dele ted.
Au tomatic hardware de tection is cur rently
active. #
When automatic ha rdwa redetection is com-
ple te, set the day of thewe ek, time and operat-
ing duration (/ page 133). #
Set the departure time (/ page 134). 134
134
Climate control

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

Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ó *A
warning tone also sounds. The bonnet is open. &
W
WARNI NG
ARNI NGRisk 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. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. #
Secure theve hicle against rolling away. #
Close the bonnet.
C *I
n addition, a warning tone sounds during the trip.
The display sho ws the open door or doors. #
Close all the doors.
¥
Top up washer fluid *T
hewasher 0uid le vel in thewa sher 0uid reser voir has dropped below
th e minimum. #
Top up thewa sher 0uid (/ page 229).
Ð Power steering malfunc-
tion See Owner's Manual *A
warning 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.
Telephone No service *Your vehicle is outside the transmission and receiver range of the
mobile phone network pr ovider.
To start engine, shift to
either P or N *Y
ou ha veattem pted tostart theve hicle in transmission position kor
h. #
ShiT the transmission toposition jori.
Auxiliary battery malfunc-
tion *T
he auxiliary battery forth e transmission is no longer being charge d. #
Consult a quali/ed specialist workshop.
Apply brake to deselect
Park (P) position *Y
ou ha vetried toshiT the transmission toposition h,kori with-
out applying the brake. #
Depress the brake pedal.
Apply brake to select R *You ha vetried toshiT the transmission toposition kwithout appl y-
ing the brake. #
Depress the brake pedal. #
ShiT the transmission position tok .
N permanently active
Risk of vehicle rolling *A
warning tone also sounds. While theve hicle is rolling or driving, the
transmission was shiTed toposition i. #
Tostop, depress the brake pedal and, when theve hicle is at a
standstill, shiT the transmission toposition j. Display messages and
warning and indicator lamps
301 301

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