heater MERCEDES-BENZ V-CLASS MPV 2021 User Guide

ru
nfo r appro ximately five more minutes. It will
th en switch off automaticall y.
When the auxiliary heating is heating and the
engine is star ted, the heater boos ter function of
th e auxiliary heating will be activated.
When the auxiliary heating is ventilating and the
engine is star ted, the auxiliary heating will be
automatically switched off.
Switching the hot- water auxiliary hea ter
on/off with the but ton
Requ irements
R The fuel tank is filled abo vethere ser veleve l. The coloured indicator lamps abo
vethe003B
rock er switch ha vethefo llowing meanings:
R Blue – stationary ventilation is switched on
R Red – thest ationary heater is swit ched on
R Yellow – a departure time is preselec ted#
Toswitch on: presstheto p or bottom sec‐
tion of rocker switch 1.
The red or blue indicator lamp abo verock er
switch 1will light up.
The multimedia sy stem will be activated for
appr oximately one minute. #
Set the desired temp erature via the multime‐
dia sy stem. #
Toswitch off: presstheto p or bottom sec‐
tion of rocker switch 1again.
The red or blue indicator lamp abo verock er
switch 1will go out. Ad
justing the hot-water auxiliary hea terby
re mo tecontrol
Re quirements:
R The fuel tank is filled abo vethere ser veleve l.
Switching on immediately #
Press and hold the008B button until theON
message appears on there mo tecontrol's dis‐
pla y.
Setting the departu retime #
Brie fly press the 008B button. #
Continue topress the006A or0066 button
until the time tobe changed appears on the
displa y. #
Press the008B and0078 buttons simultane‐
ously.
The 004Dsymbol on there mo tecontrol display
will flash. #
Set therequ ired departure time with
th e006A and0066 buttons. #
Press the008B and0078 buttons simultane‐
ously.
The new departure time will be sa ved.
Up tothre e departure times can be sa ved. #
Toactivate the departu retime: briefly
press the008B button. #
Select there qu ired departure time with
th e006A and0066 buttons. #
Press and hold the 008B button.
The 004Csymbol, the departure time and,
depending on the selected departure time,
letter A,Bor Cwill appear on there mo tecon‐
trol's displa y. 12 8
Climate cont rol

#
Todeactivate the departure time: select
th ere qu ired departure time and press and
hold the0078 button.
OFF will appear on the displa y. #
Tocheck thest atus of the active station‐
ary heater: briefly press the008B button.
Switching off immediately #
Press and hold the 0078 button.
Overview of remo tecontrol displa ys(station‐
ary heating/ventilation) 1
Stationary ventilation switched on
2 Stationary heating swit ched on
3 Selected departure time
4 Remaining stationary heating or ventilation
time (in minu tes)
5 Stationary heating or ventilation acti ve
6 Departure time acti vated
7 Signal stre ngth
Fu rther display options:
R Time: the selected departure time.
R 0 minutes: theru nning time of thest ationary
heating extends as the engine has not yet
re ached the operating temp erature.
R OFF: stationary heating or ventilation has
been switched off.
Changing the remo tecontrol's bat tery (sta‐
tiona ryheater) &
DANG ER Risk of fata l injuries due to
swallowing batteries
Batteries contain toxic and cor rosive subs tan‐
ces. Swallowing batteries may cause se vere
internal burns within two hours.
There is a risk of fata l injuries. #
Keep batteries out of there ach of chil‐
dren. #
Ifth e battery co ver does not close
securely, do not continue touse the
re mo tecontrol, and keep it out of the
re ach of children. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
damage due toimproper disposal of bat‐
te ries Batteries contain
toxic and cor ro‐
sive subs tances. #
Ta
ke dischar ged batteries to
a qu alified specialist workshop or to a
collection point for used batteries. Re
quirements
R A CR2450 lithium battery is available.
Mercedes-Benz recommends that you ha vethe
battery replaced byaqu alified specialist work‐
shop. #
Push a pointed object into recess 1. #
Slide battery co ver2 backwards in the
direction of the ar row. #
Insert new battery 3with the lettering
fa cing up wards. #
Slide battery co ver2 onto there mo tecon‐
trol in the opposite direction tothe ar row
until the battery co ver engages. Climate control
12 9

Re
ctifying problems with the hot- water auxili‐
ary hea ter
FA IL00A3 00A3 appea rson there mo tecontrol dis‐
play
Po ssible cause:
R Signal transmission between transmitter and
receiver is malfunctioning. #
Change your position in relation totheve hi‐
cle, moving closer if necessar y.
FA IL appea rson there mo tecontrol display
Po ssible cause:
R The star ter battery is not suf ficiently charge d. #
Charge thest ar ter batter y.
Po ssible cause:
R The fuel tank is not filled up tothere ser ve
le ve l. #
Refuel at the nearest filling station.
FA IL appea rson there mo tecontrol dis‐
play 0099 0099
Po ssible cause:
R The auxiliary heating has malfunctioned. #
Have the auxiliary heating checked at a quali‐
fi ed specialist workshop. Au
xiliary warm-air heater Fu
nction of the auxiliary warm-air heater
Obse rveth e no tes on auxiliary heating
(/ page 126).
The air-intake opening forth e auxiliary warm-air
hea ter is located on the inner side of the left
front seat base. The warm-air outlet is on there ar
side of the left front seat.
The auxiliary warm-air hea ter supplements the
climate control sy stem of your vehicle and has an
auxiliary heating function.
The stationary heater will swit choff automatically
when the engine is switched off or when the set
heating duration has elapsed.
The immediate heating mode of the auxiliary
heating supports the climate cont rol sy stem
when the engine is running and the outside tem‐
perature is lo w. Yo
u ha vethefo llowing options for operating the
auxiliary heating:
R The swit chclock in thestow age compartment
below the cent reconsole
R The switch clock on the lo wer centre console
R Remo tecontrol
Yo u can use the switch clock toset up tothree
departure times for pre-entry clima tecontrol.
Au xiliary warm-air heater switch clo ckove r‐
vi ew
Use the switch clock toconfigu rethefo llowing
settings:
R Swit ching immediate heating mode on/off
R Setting up tothre e preselection times
R Setting the operating duration within a range
of 10 to120 minutes or tocontinuous ope ra‐
tion
R Adjusting the heating le vel (preselec tedte m‐
perature). 1
Program column on the display
0059 Selects preselection memory number
1–3
Mon–Sun, sets da ys
2 Menu bar on the display
0084 Switches immediate heating mode
on/o ff
0045 Setsthe preselection periods
0045 Setsthe da y,time and operating du ra‐
tion
00D1 Setsthe heating le vel
3 Displ aysection for time, heating le vel and
operating duration on the display
00D5 Continuous operation on 13 0
Climate cont rol

00D1
Heating le vel set
4 Selects an option in program column 1or
on menu bar 2(forwards)
Increases values
5 Confirms a selection or setting
6 Status bar
0084 Heating mode on
7 Activates the switch clock
Cancels or term inates the settings in a menu
8 Selects an option in program column 1or
on menu bar 2(backwards)
Re duces values
Operating the switch clock (auxiliary warm-
air heater)
Ac tivating the switch clock
The switch clo ckwill swit chtostandby mode
af te rte n seconds. The displ aywill go off.
Sa ved settings will not be lost when the switch
clock switches tostandby mode. #
Press and hold the00D0 button until menu
bar 2and the time are shown on the dis‐
pla y.
Setting the da y,time and ope rating duration
When you swit ch the auxiliary heating on forthe
fi rs t time af ter a malfunction, set the day and
time.
% Yo
u can find fur ther information on malfunc‐
tions under "Problems with the auxiliary
wa rm-air hea ter". #
Activate the switch cloc k. #
Press the00CF or00DB button until the0045
symbol flashes on menu bar 2.#
Press the0076 button.
The selected day will flash in prog ram column
1. #
Press the00CF or00DB button toselect the
desired da y. #
Press the0076 button.
The selected day will be stored.
The hour value on the clock will flash. #
Set the hour and minute value on the clock to
cor respond with the day and confirm using
th e0076 button.
The time will be stored. Program column 1
will not be shown and the operating duration
will flash on display section 3.The operating duration set is
the default setting
fo r immediate heating mode. You can set the
operating duration within a range of 10to
12 0 minutes or tocontinuous ope ration. #
Press the00CF or00DB button toset the
minute value or the00D5 symbol toselect
continuous operation. #
Press the0076 button.
The operating duration will be stored and the
time will be shown on displ aysection 3.
Setting the heating le vel
Yo u can set the heating le velto between 10and
30.
The heating le vel cor responds toa preselected
te mp erature forth eve hicle interior. This is a
guide value and, depending on the ambient tem‐
perature, may dif fer from the actual vehicle inte‐
ri or temp erature. #
Activate the switch cloc k. #
Press the00CF or00DB button until the00D1
symbol flashes on menu bar 2. #
Press the0076 button.
The heating le vel will flash on display section
3. #
Press the00CF or00DB button toset the
desired heating le vel. #
Press the0076 button.
Immediate heating mode #
Toswitch on: activatethe switch cloc k. #
Press the00CF or00DB button until the0084
symbol flashes on menu bar 2. #
Press the0076 button.
The 0084 symbol will be shown on display
section 3and the operating duration will
fl ash. #
Set the operating duration.
The temp erature le vel will be shown on dis‐
play section 3. #
Toswitch off: pressthe00CF or00DB button
until the0084 symbol flashes on menu bar
2. #
Press the0076 button.
The 0084 symbol will not be shown on display
section 3.
The auxiliary heating will continue torunfor
appr oximately thre e minutes and will then
switch off automaticall y. Climate cont
rol131

Preselecte
d heating mode
Preselected heating mode is available only for
ve hicles that are not equipped totranspo rthaz‐
ardous goods.
Yo u can set thre e preselection periods using the
switch cloc k.
When setting the preselection period, make sure
th at it cor responds not tothe switch-on time but
to the switch-off or departure time. The auxiliary
heating will start up automatically prior todepar‐
ture and runfo rth e set operating duration.
If identical preselection periods (time and day)
are set in the preselection memor y,only the last
preselection period set will be sa ved.
When switching on the auxiliary heating forthe
fi rs t time following a malfunction or voltage sup‐
ply inter ruption, you will need toset the preselec‐
tion periods again. #
Toset the switch-on time: activatethe
switch cloc k. #
Press the00CF or00DB button until the0045
symbol flashes on menu bar 2. #
Press the0076 button.
The preselection memory numbers 0059will
be shown in program column 1. The selec‐
te d preselection memory number will flash. #
Press the00CF or00DB button toselect the
desired preselection memory number. #
Press the0076 button.
The preselection memory number will be
selected. The da yswill be displa yed. #
Set the day and time as described in the "Set‐
ting the da y,time and operating du ration"
section.
The preselection pe riod will be stored. Pro‐
gram column 1will be hidden. The message
on and symbol 0084will appear on display
section 3. #
Press the0076 button.
The operating duration will flash on display
section 3. #
Set the operating duration.
The operating duration forth e preselection
period will be stored. The time and the num‐
ber of the set preselection memory will be
shown.
% An underscore deno
testh e preselection
memory that will be next tobe activated in
chro nological orde r.The selected day will
also be shown. #
Todeactivate the switch-on time: complete
th esteps as described in the "Setting the
switch-on time" section. #
Ifth e0084 symbol is shown on display sec‐
tion 3: press the00CF or00DB button until
off appears. #
Press the0076 button.
The preselection period will be deactivated
and the time will be shown on display section
3.
Operating the auxiliary heating byremo te
control (auxilia rywa rm-air heater)
Yo u can swit chthe auxiliary heating on and off as
we ll as set the operating duration with a remo te
control. The remo tecontrol must be synchron‐
ised wi th the auxiliary heating sy stem receiver.
Fo r more information, please contact a qualified
specialist workshop.
St ore there mo tecontrol forth e auxiliary heating
such that the auxiliary heating function cann otbe
switched on unintentionally. In particular, ensure
th at there mo tecontrol is kept out of there ach of
ch ildren.
The remo tecontrol has a range of appr oximately
300 m. The range is reduced bysources of radio
inter fere nce or solid objects, forex ample. 1
Indicator lamps
2 Confirms settings
3 Swit ches there mo tecontrol on/off
Changing the operating duration or cancel‐
ling or term inating settings
Indicator lamp 1lights up in various ways to
show dif fere nt ope rating modes:
R Lights up red – remo tecontrol switched on
R Flashes red – auxiliary heating switched off 13 2
Climate cont rol

R
Lights up green – auxiliary heating switched
on
R Flashes green – change operating duration
option active
R Flashes alternately red and green – remo te
control in synchronising mode
When there mo tecontrol battery is weak, indica‐
to r lamp 1will flash redra pidl y. #
Replace there mo tecontrol battery
(/ page 132).
% Yo
u can find fur ther information on lamp sta‐
tuses under "Problems with the auxiliary
heating" .
Switching there mo tecontrol on/off
The remo tecontrol will switch tostandby mode
af te rte n seconds. Indicator lamp 1will go out. #
Toswitch on: press and hold the00D0 but‐
to n until indica tor lamp 1lights up red. #
Toswitch off: press and hold button 00D0
until indicator lamp 1goes out.
Switching auxiliary heating on and off #
Switch on there mo tecontrol. #
Toswitch on: when indicator lamp 1
fl ashes red, press the0076 button.
During data transfer, indicator lamp 1will
light up red.
When indicator lamp 1lights up green, the
auxiliary heating is swit ched on. #
Toswitch off: when indicator lamp 1lights
up green, press the0076 button.
During data transfer, indicator lamp 1will
light up red.
When indicator lamp 1flashes red, the aux‐
iliary heating is switched off.
Changing the operating du ration #
Switch on there mo tecontrol. #
When indicator la mp1flashes red, press
th e00D0 and0076 buttons simultaneousl y.
Indicator lamp 1will flash green. #
Press the00D0 button repeatedly until the
desired operating duration is shown. R 20 minutes – indicator lamp 1will flash
green tw ice.
R 30 minutes – indicator lamp 1will flash
green thre e times.
R 40 minutes – indicator lamp 1will flash
green four times. #
Press the0076 button.
During data transfer, indicator lamp 1will
light up red.
When indicator lamp 1emits two long,
green flashes, the selected operating duration
is stored.
If no adjustment is made tothe operating
duration, indicator lamp 1will flash six
times and there mo tecontrol will enter
st andby mode.
Re placing the remo tecontrol bat tery (auxili‐
ary warm-air heater) &
DANG ER Risk of fata l injuries due to
swallowing batteries
Batteries contain toxic and cor rosive subs tan‐
ces. Swallowing batteries may cause se vere
internal burns within two hours.
There is a risk of fata l injuries. #
Keep batteries out of there ach of chil‐
dren. #
Ifth e battery co ver does not close
securely, do not continue touse the
re mo tecontrol, and keep it out of the
re ach of children. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
damage due toimproper disposal of bat‐
te ries Batteries contain
toxic and cor ro‐
sive subs tances. #
Ta
ke dischar ged batteries to
a qu alified specialist workshop or to a
collection point for used batteries. Re
quirements
R A CR2430 lithium battery is available.
Mercedes-Benz recommends that you ha vethe
battery replaced byaqu alified specialist work‐
shop. Climate
control 13 3

#
Turn battery co ver2 anticlockwise using a
suita ble object, e.g. a coin, and remo veit. #
Check the seal on battery co ver2 for dam‐
age and replace it if necessar y. #
Remo vebattery 3. #
Insert a new battery 3into the battery com‐
partment with the positive term inal facing
up wa rds.
Use a lint-free clo thtodo so. #
Position battery co ver2 sothat mark 1on
th era ised area points between two recesses
4. #
Turn the battery co ver clockwise as far as it
will go. #
Check all the functions of there mo tecontrol.
Re ctifying problems with the auxiliary warm-
air heater
The display section of the switch clock sho ws
th e message Err.
Po ssible cause:
R The fuel le vel in the fuel tank is too lo w.
The auxiliary heating switches off automati‐
call y. #
Refuel theve hicle. #
Start the auxiliary heating se veral times until
th e fuel lines are full.
Po ssible cause:
R A malfunction has occur red.
The auxiliary heating switches off automati‐
call y. #
Have the auxiliary heating checked at a quali‐
fi ed specialist workshop. The message
iniappears on the display sec‐
tion of the switch clock or the clock is flash‐
ing.
Po ssible cause:
R The on-board electrical sy stem voltage has
been inter rupte d. All sa ved settings ha ve
been dele ted.
Au tomatic hardware de tection is cur rently
acti ve. #
When automatic hardware de tection is com‐
ple te, set the da y,time, operating du ration
and preselection pe riod (/ page131).
The indicator lamp on the remo tecontrol
flashes redra pidl y.
Po ssible cause:
R The remo tecontrol battery is dis charge d.
Data transmission is not possible. #
Replace there mo tecontrol battery
(/ page 133).
The indicator lamp on there mo tecontrol
flashes red and green in rapid succession.
Po ssible cause:
R There is no connection between there mo te
control and there ceiver in theve hicle. #
Change your position in relation totheve hi‐
cle, e.g. hold there mo tecontrol higher or
mo veitto the side. #
Movecloser.
If yo u cannot make a connection and the auxiliary
heating is switched on, you can swit choff the
auxiliary heating only via the switch clock in the
ve hicle.
Po ssible cause:
R The remo tecontrol is not synchronised. #
Have there mo tecontrol synchronised at a
qu alified specialist workshop.
The indicator lamp on there mo tecontrol
slo wly flashes red and green alternatel y.
Po ssible cause:
R The remo tecontrol is not synchronised. #
Have there mo tecontrol synchronised at a
qu alified specialist workshop. 134
Climate cont rol

Un
tilthen, compensate forth ere duced brak‐
ing ef fect by applying greater pressure tothe
brake pedal. Driving tips
Note
s on driving &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Ensure floor mats and carpets cannot
slip and pr ovide suf ficient room forthe
pedals. #
Do not lay multiple floor mats or carpets
on top of one ano ther. &
WARNING Risk of accident due toincor‐
re ct foot we ar
Incor rect foot we ar includes, forex ample:
R shoes with plat form soles
R shoes with high heels
R slippers
There is a risk of an accident. #
Alwayswe ar suitable foot we ar so that
yo u can operate the pedals safely. &
WARNING Risk of accident when ignition
switched off due tosteering wheel lock‐
ing
If yo u swit choff the ignition when theve hicle
is stationar y,yo u can no lon gerst eer the
ve hicle. #
Before theve hicle begins toroll, switch
on the ignition todeactivate steering
wheel locking. &
WARNING Risk of accident if the ignition
is switched off while driving
If yo u swit choff the ignition while driving,
saf ety functions are restricted or no longer
av ailable. This may af
fect the po werst eering sy stem
and the brake forc e boosting, forex ample.
Yo u will need touse considerably more force
to steer and brake, forex ample. #
Do not swit choff the ignition while driv‐
ing. &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift down on slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction. #
Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect. &
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case when theve hicle
becomes stuck in sn ow,fo rex ample. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning. #
Open a window on the side of theve hi‐
cle facing away from the wind toensure
an adequate supply of fresh air. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. Driving and pa
rking 137

Af
terth e cooling phase, AIRMATIC is again
av ailable without restrictions. Re
fuelling Re
fuelling theve hicle &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. &
WARNING Risk of injury from fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin,eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact with fuel. &
WARNING Risk offire and explosion due
to electros tatic charge
Electros tatic charge can igni tefuel vapour. #
Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body. #
Toavo id creating ano ther electros tatic
ch arge , do not getinto theve hicle again
during there fuelling process. &
WARNING Risk offire from fuel mixture
Ve hicles with a diesel engine:
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel.
While the engine is running, component pa rts
in theex haust sy stem may overheat without
wa rning. #
Neverre fuel using petrol. #
Never mix petrol with diesel fuel. *
NO
TEDo not use diesel torefuel vehicles
with a petrol engine If
yo u ha veaccidentally refuelled with the
wrong fuel:
R do not swit ch the ignition on. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
NO
TEDo not use petrol torefuel vehicles
with a diesel engine If
yo u ha veaccidentally refuelled with the
wrong fuel:
R do not swit ch the ignition on. Otherwise,
fuel can enter the fuel sy stem.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
NO
TEDama getothe fuel sy stem caused
by ove rfilled fuel tanks #
Only fill th e fuel tank until the pump
nozzle switches off. Re
quirements
R The vehicle is unloc ked.
R The auxiliary heating is switched off. Driving and parking
147

#
Insert theke y into the ignition loc k,start the
engine and let it runfo r se veral minutes. #
Before disconnecting the jump leads, switch
on an electrical consumer in your ow nve hi‐
cle, e.g. there ar wind owheater or the light‐
ing. #
Disconnect the negative term inal clamp of
th e jump lead from ear thcontact 4and
th en from negative term inal 2ofthe donor
batter y. #
Disconnect the positive term inal clamp of the
jump lead from positive term inal 5onthe
jump-s tart connection point, and then from
positive term inal 3ofthe donor batter y.
Con tact pr otection co ver1 is automatically
re turned forw ards toits original position by
th e spring forc e and the jump-s tart connec‐
tion point is closed. #
Position the co ver on positive term inal 3of
th e donor batter y. #
Have the battery checked at a qualified spe‐
cialist workshop.
Charging the12 V battery
* NO
TEDama getothe electronics caused
by non-app rove dch arging devices Charging a
fitted battery wi tha battery
ch arge r which has not been appro vedby
Mercedes-Benz can damage the on-board
electronics. #
Only use a battery charge r which has
been appro vedby Mercedes-Benz and
which permits charging the battery
when it is fitted in theve hicle. #
Only charge the battery using the jump-
st art connection point. A battery
charge r specially adapte dfor
Mercedes-Benz vehicles and tested and appr oved
fo r Mercedes-Benz is available as an accesso ry.
Fu rther information is available from any
Mercedes-Benz Service Cent re.Re ad the operat‐
ing instructions 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
te rm inal and ear thcontact in the same order
as when connecting the donor battery in the
jump-s tarting procedure. %
If a battery is not
fitted and not in service,
yo u should charge itev ery thre e months. This
helps tocounteract self-discharging and pre‐
ve nt damage tothe batter y.
12 V battery care
* NO
TEBattery discharge due toleakage
cur rents Dirty battery
term inal clamps and battery sur‐
fa ces cause lea kage cur rents. This can lead
to the battery discharging. #
Keep the battery term inals and battery
sur faces clean and dr y. *
NO
TEDama getothe battery housing
due toimproper cleaning If
yo u use cleaning agents con taining fuel,
th ese can damage the battery housing. #
Do not use cleaning agents containing
fuel. *
NO
TEDama getothe battery due toself-
dischar ge If dirt
gets into the battery cell, the self-dis‐
ch arge ofthe battery is increased and the
battery can be damaged. #
Only clean the battery with the cell caps
scr ewed in. Obser
vethefo llowing points on battery care: #
Regular lych eck the battery term inals and the
fast ening of the negative cable tothech assis
to ensure that they are firm lyseated. #
Lightly grease the undersides of the battery
te rm inal clamps with acid- resis tant grease. #
Only clean the battery housing with commer‐
cially available cleaning agents. Disconnecting and
removing the star ter bat‐
te ry &
WARNING Risk ofexplosion from hydro‐
ge nga s igniting
There is a danger of hydrogen gas igniting
when charging the battery if there is a short
circuit or spar ksstart toform. Breakdown assis
tance 239