2015 MERCEDES-BENZ E-CLASS SALOON Owners Manual

Problems with the rear window heating
Problem
Possible causes/consequences and
M
MSolutions The rear window heat-
ing has switched off
prematurely or cannot
be activated. The battery has not been sufficiently charged.
X Switch off any consumers that are not required, e.g. reading
lamps, interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window heat- ing can be activated again. Switching air-recirculation mode
on/off
General notes You can deactivate the flow of fresh air if
unpleasant odours are enteringt he vehicle
from outside. The air already inside the vehi-
cle will then be recirculated.
If you activate air-recirculation mode, the win-
dows can mist up more quickly, in particular
at low temperatures. Only use air-recircula-
tion mode briefly to prevent the windows
misting up.
Activating/deactivating X
Turn the key to position 2in the ignition
lock (Y page 179).
X To activate: press thegbutton.
The indicator lamp above the gbutton
lights up.
i THERMATIC automatic climate control:
air-recirculation mode is activated auto-
matically at high outside temperatures.
THERMOTRONIC automatic climate con-
trol: air-recirculation mode is automatically
activated at high levels of pollution or at
high outside temperatures.
When air-recirculation mode is activated
automatically, the indicator lamp above the g button does not light up. Outside air is
added after about 30 minutes.
X To deactivate: press thegbutton.
The indicator lamp above the gbutton
goes out. i
Air-recirculation mode is deactivated
automatically:
R after approximately five minutes at out-
side temperatures below approximately
5†
R after approximately five minutes if cool-
ing with air dehumidification is deactiva-
ted
R after approximately 30 minutes at out-
side temperatures above approximately
5† if the cooling with air dehumidifica-
tion function is activated Convenience opening or closing using
the air-recirculation button G
WARNING
When the convenience closing feature is oper- ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is arisk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. When closing make sure that no parts of the body are in the closing area. G
WARNING
During convenience opening parts of the body could be drawn in or become trapped
between the side window and window frame.
There is arisk of injury.
When opening, make sure that nobody is
touching the side window. If someone
becomes trapped, press the Wswitch 166
Operating the climate control systemClimatec
ontrol

immediately to open/close the side window
in the door. The side window stops. To con-
tinue closing the side window, pull on the
W switch.
X Convenience closing feature: press and
hold the gbutton until the side win-
dows and the sliding sunroof or the pano-
rama sliding sunroof are closed.
The indicator lamp above the gbutton
light sup. Air-recirculation mode is activa-
ted.
If part softhe body are in the closin garea
during convenienc eclosing, proceed as fol-
lows:
X Press the Wbutton to sto pthe side win-
dows.
The side windows stop.
X To the nopen the side windows ,press the
W button again.
X Press the 3button to sto pthe sliding
sunroof or panorama sliding sunroof.
The sliding sunroof or panorama sliding
sunroof stops.
X To the nopen the sliding sunroof or pano-
rama sliding sunroof, pull back on the 3
button.
i Notes on the automatic reversin gfeature
for:
R the side windows (Y page 110)
R the sliding sunroof (Y page 115)
R the panorama sliding sunroof
(Y page 115)
X Convenience opening feature: press and
hold the gbutton until the side win-
dows and the sliding sunroof or panorama
sliding sunroof have opened. The side win-
dows and the sliding sunroof or panorama
sliding sunroof move back to their original
position.
The indicator lamp above the gbutton
goes out. Air-recirculation mode is deacti-
vated. i
If you open the side windows
,the sliding
sunroof or the panorama sliding sunroof
manually after closing the mwith the con-
venienc eclosing feature, the ywill remain in
this position when opened using the con-
venienc eopening feature. Activating/deactivating th
eresidual
heat function
General notes The residual heat function is only available
with THERMOTRONI
Cautomatic climat econ-
trol.
It is possible to make use of the residual heat
of the engin etocontinue heatin gthe vehicle
for approximately 30 minutes after the engine
has been switched off .The heatin gtime
depends on the set interior temperature.
Activating/deactivating X
Turn the key to position 0in the ignition
lock or remove it (Y page 179).
X To activate: press theÌbutton.
The indicator lamp above the Ìbutton
light sup.
i If the residual heat function is activated,
the windows may mist up on the inside.
i The blower will run at
alow speed regard-
less of the airflow setting.
i If you activate the residual heat function
at high temperatures, only the ventilation
will be activated. The blower runs at
medium speed.
X To deactivate: press theÌbutton.
The indicator lamp above the Ìbutton
goes out.
Residual heat is deactivate dautomatically:
R after approximately 30 minutes
R when the ignition is switched on
R if the battery voltage drops
R when the auxiliary heatin gisswitched on Operating thec
limate control system
167Climate control Z

Auxiliary heating
Important safety notes G
DANGER
If th eexhaust pipe is blocke dorsufficient
ventilation is no tpossible, toxic exhaust
fumes can ente rthe vehicle, especially car-
bon monoxide. This is th ecase, e.g. in
enclosed spaces, or if th evehicl eiss tuck in
snow. There is ariskoff atal injuries.
You should switch off th eauxiliary heating in
enclosed spaces whic hdonothav eane xtrac-
tion system, e.g. agarage. If th evehicl eis
stuck in snow and you mus tleav ethe auxiliary
heating running, keep th eexhaust pipe and
th ea rea around th evehicl eclear of snow. To
guarantee asufficien tsupply of fresh air, open
aw indow on th eside of th evehicl eaway from
th ew ind. G
WARNING
When th eauxiliary heating is switched on,
part soft hevehicl ecan become ver yhot.
Flammabl ematerials suc hasleaves, gras sor
twigs may ignit eiftheyc om eintoc ontact
with:
R hot part softheexhaust system
R thee xhaust gas itself
There is ariskoff ire.
When th eauxiliary heating is switched on,
mak esuret hat:
R no flammabl ematerials come int ocontact
wit hh ot vehicl ecom ponents
R thee xhaust gas can escape from the
exhaust pipe unhindered
R thee xhaust gas does no tcom eintoc ontact
wit hflammabl ematerials.
The auxiliary heating and th eexhaust gas dis-
charge location can be foun dinfrontof the
right-hand fron twheel.
! Operating th
eauxiliary heating/ventila-
tion draws on th evehicl ebattery. Afte ryou
hav eheated or ventilated th evehicl ea maximum of two times
,drivef or alonger
distance.
i Switc
hthe auxiliary heating on regularly
once amonth for about te nminutes.
The auxiliary heating heat sthe air in th evehi-
cle interior to th eset temperature. This
occur swithout usin gthe heat of th erunning
engine. The auxiliary heating is operated
directly usin gthe vehicle's fuel .For this rea-
son ,the tan kcontent mustbeatl east at
reserv efuel level to ensur ethatthe auxiliary
heating functions.
The auxiliary heating/ventilation automati-
call yadjust stoc hanges in temperature and
weather conditions. Fo rthisr eason ,the aux-
iliar yheating could switch from ventilation
mod etoh eating mod eorfromh eating mode
to ventilation mode.
The auxiliary heating switches off automati-
call yafter 50 minutes. This time limi tcan be
altered. To do this, visit aqualified specialist
workshop.
You canno tuse th eauxiliary ventilation to
cool th evehicl einterior to atem perature
lower than th eoutside temperature.
Before switchin gon X
Turn th ekeyto position 2in th eignition
loc k(Ypage 179).
X Se tthe desired temperature.
Auxiliar yheating or auxiliary ventilation can
also be switched on if th emanually set cli-
mat econtro lisactivated. Optimum comfort
is attained by setting th esystem to automatic
mode. Se tthe temperature to 22 †.
The auxiliary heating or auxiliary ventilation
can be switched on/off usin gthe butto non
th ec entre console or th eremot econtrol.
The on-board computer can be used to spec-
ify up to three departur etimes,o ne of which
may be preselected (Y page 293).168
Operating th
eclimat econtro lsystemClimat econt rol

Switching the auxiliary heating or aux-
iliary ventilation on or off using the
centre console The colours of the indicator lamps on the but-
ton have the following meanings:
Blue Auxiliary ventilation switched on
Red Auxiliary heating switched on
Yellow Departure time preselected (Ypage 293) X
To switch on the auxiliary heating or
auxiliary ventilation: press button:.
The red or blue indicator lamp in button :
lights up.
X To switch off the auxiliary heating or
auxiliary ventilation: press button:.
The red or blue indicator lamp in button :
goes out.
Activating or deactivating the auxiliary
heating or auxiliary ventilation via
remote control General notes
Your vehicle comes with one remote control.
You may use two additional remote controls
for your vehicle. For more information ,please
contact aqualified specialist workshop.
Storet he remote control for the auxiliary
heating so that the auxiliary heating cannot
be switched on unintentionally. In particular,
ensure that the remote control for the auxili-
ary heating is kept out of the reach of chil-
dren. The remote control has
arange of approx-
imately 300 metres. This range is reduced by:
R sources of radio interference
R solid objectsb etween the remote control
and the vehicle
R the remote control being in an unfavoura-
ble position in relation to the vehicle
R transmittingf rom an enclosed space
If the remote control battery is low, the bat-
tery symbol on the left of the display is shown as empty. Replace the remote control battery
and observe the important safety notes when doing so (Y page 171).
Activating and deactivating the auxiliary
heating or auxiliary ventilation Remote control
:
Display
; u Activates the auxiliary heating or
auxiliary ventilation
To check the status
= . Sets the departure time
? ^ Deactivates the auxiliary heating or
auxiliary ventilation
A , Sets the departure time
X To switch on: press and hold the u
button.
ON ON is shown in the remote control display.
X To deactivate: press and hold the ^
button.
OFF OFF is shown in the remote control display. Operating the climate control system
169Climatecontrol Z

Checking th
estatus of theauxiliary heat-
ing or auxiliary ventilation
X Briefly pres sthe u button.
The followin gmessages may appear in the
display: Display Meaning
The auxiliar
yheating or
auxiliar yventilatio nis
deactivated. The auxiliar
yventilation
is switched on .The num-
ber in th edisplay shows
th er emainin gtime( in
minutes )for th eauxiliary
ventilation. The auxiliar
yheating is
switched on .The number
in th edisplay show sthe
remainin gtime( in
minutes )for th eauxiliary
heating. Ad
epartur etimeh as
been activated. The
departur etimea ppears
in th edisplay. Ad
epartur etimeh as
been activated. The aux-
iliary ventilatio niscur-
rently activated. The
number in th edisplay
show sthe remaining
tim e(in minutes )for the
auxiliar yventilation. If
th ev ehicle is no tstarted
after this time, th erun-
nin gtimeisi ncreased by
fiv em inutes. Ad
epartur etimeh as
been activated. The aux-
iliary heating is currently
activated. The number in
th ed isplay show sthe
remainin gtime( in
minutes )for th eauxiliary
heating .Ifthevehicle is
no tstarted after this
time, th erunnin gtimeis
increased by five
minutes. If th
eengine has no tyet reached operating
temperatur ewhen it is started, th eauxiliary
heating runnin gtimeisi ncreased. The auxili-
ary heating continues to run until th eoperat-
ing temperatur eisreached. If this is th ecase,
the y symbo lappear sintheremot econ-
trol display and th erunnin gtimeisz ero
minutes.
Settin gthe departure time
Mak esure that th etimes et in th evehicle is
correc tbefore settin gthe departur etim e(see
th es eparate operatin ginstructions). Other-
wise, th eauxiliar yheating may switch on at
th ew rongtimea nd at an unsuitable location.
When settin gthe departur etime, also
observ ethe important safety notes
(Y page 168). 170
Operating th
eclimate control systemClimate control

X
Briefly press the ubutton.
X Press the ,or. button repeatedly
unti lthe time to be changed appears in the
display.
X Press the uand^ buttons simulta-
neously.
The Îsymbo linthe remote control dis-
play flashes.
X Press the ,or. button to set the
desire ddeparture time.
i The longer yo
upress the ,or.
button, the faster the time changes.
X Press the uand^ button simulta-
neously.
The new departure time is stored.
Activating the se tdeparture time
X Briefly press the ubutton.
X Press the ,or. button repeatedly
unti lthe desire ddeparture time appears in
the display.
X Press the ubutton.
The Ísymbol, the departure time and,
depending on the selected departure time, the letter A, BorCappea rinthe display.
Deactivatin gthe se tdeparture time
X Briefly press the ubutton.
The statu softhe auxiliary heating is shown
in the display.
X Press the .button.
The firs tdeparture time store dappears in
the display.
X Press the ^button.
OFF
OFF is shown in the remote control display.
Replacing the remote control battery Important safety notes
G
WARNING
Batterie scontai ntoxic and corrosiv esubstan-
ces. If batterie sare swallowed, it can result in
severe health problems. There is ariskoff atal
injury. Kee
pbatterie soutof the reach of children. If
ab attery is swallowed, see kmedica lattention
immediately. H
Environmental note Batterie
scontai npollutants.
It is illega ltodispose of them
with the household rubbish.
The ym ustb ec ollected sep-
arately and disposed of in an environmentally responsible
recycling system. Dispose of batterie
sinan
environmentally responsible
manner. Take discharged
batterie stoaqualified spe-
cialist worksho portoacol-
lection point for used batter-
ies.
Replacing the battery If the battery need
stobereplaced, the bat-
tery symbo lonthe left of the display is shown
as empty. ACR2450 lithiu mbattery is
required whe nreplacing the battery.
X Press apointed object into recess :.
X Slide battery cover ;backwards in the
direction of the arrow.
X Remove old battery =.
X Inser tthe new battery with the lettering
facing upwards. Operating the climate control system
171Climate control Z

X
Slide battery cover ;in the opposite direc-
tion to the arrow on the remote control until it engages.
X Use the remote control to check the vehi-
cle's auxiliary heating functions. 172
Operating the climate control systemClimate control

Problems with the auxiliary heating or auxiliary ventilation
Display messages
Possible causes/consequences and
M
MSolutions FAIL¨ The signal transmission between the transmitter and the vehicle is
faulty.
X Change your position in relation to the vehicle, moving closer if
necessary.
X Make another attempt to switch the auxiliary heating on or off
using the remote control. FAIL The auxiliary heating cannot be switched on or has switched itself
off.
The starter battery is not sufficiently charged.
X Charge the starter battery.
X Make another attempt to switch on the auxiliary heating using
the remote control. The auxiliary heating cannot be switched on or has switched itself
off.
The fuel tank content is below the reserve fuel level.
X Refuel at the nearest filling station.
X Make another attempt to switch on the auxiliary heating using
the remote control. The auxiliary heating or auxiliary ventilation cannot be switched on
or has switched itself off.
The auxiliary heating or auxiliary ventilation is faulty.
X Have the auxiliary heating or auxiliary ventilation checked at a
qualified specialist workshop. Adjusting the air vents
Important safety notes
G
WARNING
Very hot or very cold air can flow from the air vents. This could result in burns or frostbit ein
the immediate vicinity of the air vents. There
is ar isk of injury.
Make sure that all vehicle occupants always
maintain asufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior. In order to ensure the direct flow of fresh air
through the air ventsi
nto the vehicle interior,
please observe the following notes:
R keep the air inlet between the windscreen
and the bonnet free of blockages, such as
ice, snow or leaves.
R never cover the ventsorv entilation grilles
in the vehicle interior. Adjusting the air vents
173Climatecontrol Z