battery MERCEDES-BENZ E-Class SEDAN 2015 W212 User Guide

X
Press release button 0043and push the head
restraints all the way in.
X Fold backrest 0044of the folding bench seat
into its original position until it engages. Switching the seat heating on/off
Switching on/off G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly. Driver's and front-passenger seat
Canada only: rear seat
The three red indicator lamps in the button
indicate the heating level you have selected. Driver's and front-passenger seat:
the sys-
tem automatically switches down from level 3
to level 2after approximately eight minutes.
Rear seat: the system automatically
switches down from level 3to level 2after
approximately five minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Seats
117Seats, steering wheel and mirrors Z

Problems with the seat heating
Problem
Possible causes/consequences and
0050
0050Solutions The seat heating has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically. Switching the seat ventilation on/off
Switching on/off Driver's and front-passenger seat
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X To switch on: press button0043repeatedly
until the desired ventilation level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Y page 100). The seat
ventilation of the driver's seat automati-
cally switches to the highest level. 118
SeatsSeats, steering wheel and mirrors

Problems with the seat ventilation
Problem
Possible causes/consequences and
0050
0050Solutions The seat ventilation has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine. G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock. Adjusting the steering wheel
0043
To adjust the steering wheel height
0044 To adjust the steering wheel position
(fore-and-aft adjustment)
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 121)
R Storing settings (Y page 125) Steering wheel
119Seats, steering wheel and mirrors Z

Problems with the steering wheel heating
Problem
Possible causes/consequences and
0050
0050Solutions The steering wheel
heating has switched
off prematurely or can-
not be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the steering wheel
heating will switch back on automatically. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is a risk of entrapment by the steering
wheel. The adjustment process is stopped.
Vehicles with a memory function: if there is a
risk of becoming trapped by the steering
wheel, you can also one of the memory func- tion position buttons. The adjustment proc-
ess is stopped. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident. Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 246).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active The steering wheel swings upwards when
you:
R remove the SmartKey from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the SmartKey: open the driver's
door; the SmartKey is in position 0or 1
must be in the ignition lock (Y page 157).
i The steering wheel only moves upwards if
it has not already reached the upper stop.
Position of the steering wheel for driv-
ing The steering wheel is moved to the last selec-
ted position when:
R the driver's door is closed
R with KEYLESS-GO: you press the Start/
Stop button once
or
R with the SmartKey: you insert the Smart-
Key into the ignition lock Steering wheel
121Seats, steering wheel and mirrors Z

The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button
0087as long
as the indicator lamp is lit.
X Press adjustment button 0087up, down, or to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic con- ditions.
The convex exterior mirrors provide a larger
field of vision.
After the engine has been started, the exte-
rior mirrors are automatically heated if the
rear window defroster is switched on and the
outside temperature is low. Heating takes a
maximum of ten minutes.
i You can also heat up the exterior mirrors
manually by switching on the rear window
defroster.
Folding the exterior mirrors in or out
electrically This function is only available in Canada.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Briefly press button 0043.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/h) , you can no longer fold in the
exterior mirrors. Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the "Fold in mir-
rors when locking" function in the on-board
computer (Y page 247).
X Turn the SmartKey to position 1in the igni-
tion lock (Y page 157).
X Briefly press button 0043.
Folding the exterior mirrors in or out
automatically This function is only available in Canada.
If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y page 247):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the out-
side.
R the exterior mirrors fold out again automat-
ically as soon as you unlock the vehicle and
then open the driver's or front-passenger
door.
i If the exterior mirrors have been folded in
manually, they do not fold out.
Exterior mirror pushed out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually.
X Vehicles with electrically folding exte-
rior mirrors: press and hold mirror-folding
button until you hear a click and then the
mirrors engage in position (Y page 123).
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Y page 122). Mirrors
123Seats, steering wheel and mirrors Z

Rear fog lamp
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of
thick fog. Please take note of the country-
specific regulations for the use of rear fog
lamps.
X To switch on the rear fog lamps: turn the
SmartKey in the ignition lock to position 2
or start the engine.
X Turn the light switch to 0058or0058.
X Press the 005Ebutton.
The yellow 005Eindicator lamp in the
instrument cluster lights up.
X To switch off the rear fog lamp: press the
005E button.
The yellow 005Eindicator lamp in the
instrument cluster goes out.
Parking lamps ! If the battery has been excessively dis-
charged, the parking lamps or standing
lamps are automatically switched off to
enable the next engine start. Always park
your vehicle safely and sufficiently lit
according to legal standards. Avoid the
continuous use of the 0060parking lamps
for several hours. If possible, switch on the
0064 right or the 0063left standing lamp.
X To switch on: turn the light switch to 0060.
The green 0060indicator lamp in the instru-
ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures the
corresponding side of the vehicle is illumina-
ted.
X To switch on the standing lamps: the
SmartKey is not in the ignition lock or it is in position 0.
X Turn the light switch to 0063(left-hand side
of the vehicle) or 0064(right-hand side of
the vehicle). Combination switch
Turn signal 0043
High-beam headlamps
0044 Turn signal, right
0087 High-beam flasher
0085 Turn signal, left
X To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow 0044or0085.
The corresponding turn signal flashes three
times.
X To indicate: press the combination switch
beyond the pressure point in the direction
of arrow 0044or0085.
High-beam headlamps X
To switch on the high-beam headlamps:
turn the SmartKey in the ignition lock to
position 2or start the engine.
X Turn the light switch to 0058or0058.
X Press the combination switch beyond the
pressure point in the direction of arrow 0043.
In the 0058position, the high-beam head-
lamps are only switched on when it is dark
and the engine is running.
The blue 0057indicator lamp in the instru-
ment cluster lights up when the high-beam headlamps are switched on.
X To switch off the high-beam head-
lamps: move the combination switch back
to its normal position.
The blue 0057indicator lamp in the instru-
ment cluster goes out. 130
Exterior lightingLights and windshield wipers

Rear-compartment overhead control panel
0043 003D To switch the right-hand reading
lamp on/off
0044 003D To switch the left-hand reading lamp
on/off Interior lighting control
General notes In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
unless the SmartKey is in position 2in the
ignition lock.
The color and brightness of the ambient light-
ing may be set using the on-board computer
(Y page 244).
Automatic interior lighting control X
To activate/deactivate: press the0033
button.
When the automatic interior lighting con-
trol is activated, the button is flush with the overhead control panel.
The interior lighting automatically switches
on if you:
R unlock the vehicle
R open a door
R remove the SmartKey from the ignition lock
The interior light is activated for a short while when the SmartKey is removed from the igni-
tion lock. You can activate this delayed switch-off using the on-board computer
(Y
page 245).
Manual interior lighting control X
To switch the front interior lighting on/
off: press the 004Abutton.
X To switch the rear interior lighting on/
off: press the 0042button.
X To switch the reading lamps on/off:
press the 003Dbutton. Crash-responsive emergency lighting
The interior lighting is activated automatically
if the vehicle is involved in an accident.
X To switch off the crash-responsive
emergency lighting: press the hazard
warning lamp button.
or X Lock and then unlock the vehicle using the
SmartKey. Replacing bulbs
Important safety notes
G
WARNING
Bulbs, lamps and connectors can get very hot when operating. If you change a bulb, you
could burn yourself on these components.
There is a risk of injury.
Allow these components to cool down before changing a bulb.
Vehicles with static LED headlamps:
Do not use a bulb that has been dropped or if
its glass tube has been scratched.
The bulb may explode if:
R you touch it
R it is hot
R you drop it
R you scratch it 134
Replacing bulbsLights and windshield wipers

Setting the air distribution
X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Dual-zone automatic climate control: press
air distribution adjustment button 006Eup or
down, until the desired symbol appears in
the display (Y page 143).
X 3-zone automatic climate control: press air
distribution adjustment button 0071up or
down, until the desired symbol appears in
the display (Y page 145). Setting the airflow
Dual-zone climate control X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press airflow switch
006F up or down (Y page 143).
3-zone automatic climate control X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce front-compart-
ment airflow: press airflow switch 0070up or
down (Y page 145).
X To increase/reduce the rear-compart-
ment airflow: press the0097or0095
switch.
If the battery is not sufficiently charged,
blower output may be reduced. As soon as
the battery is sufficiently charged, full blower output will be available. Switching the ZONE function on/off
X To activate: press the00D6button.
The indicator lamp above the 00D6button
lights up.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side. 3-zone automatic climate control: the tem-
perature setting for the driver's side is not
adopted for the front-passenger side and
the rear compartment.
X To deactivate: press the00D6button.
The indicator lamp above the 00D6button
goes out.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side.
3-zone automatic climate control: the tem-
perature setting for the driver's side is
adopted for the front-passenger side and
the rear compartment. Defrosting the windshield
You can use this function to defrost the wind-
shield or to defrost the inside of the wind-
shield and the side windows.
Switch off the "Windshield defrosting" func-
tion as soon as the windshield is clear again.
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To activate: press the0064button.
The indicator lamp above the 0064button
lights up.
The climate control system switches to the
following functions:
R high airflow
R high temperature
R air distribution to the windshield and
front side windows
R air-recirculation mode off
If the battery is not sufficiently charged,
blower output may be reduced. Once the bat- tery is sufficiently charged again, full blower
output will be available again.
X To deactivate: press the0064button.
The indicator lamp above the 0064button
goes out. The previously selected settings
are restored. Air-recirculation mode
remains deactivated.
or 150
Operating the climate control systemsClimate control

X
Press the 0058button.
The indicator lamp above the 0064button
goes out. Airflow and air distribution are set to automatic mode.
or
X Dual-zone automatic climate control: press
temperature selection switch 006Dor0070 up
or down (Y page 143).
3-zone automatic climate control: press
temperature selection switch 006Eor0072 up
or down (Y page 145).
or X Dual-zone automatic climate control: press
airflow switch 006Fup or down (Y page 143).
3-zone automatic climate control: press
airflow switch 0070up or down (Y page 145). MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running. X To activate: press the00C9button.
The indicator lamp in the button lights up.
X To activate: press off-road button 00C9
again.
The indicator lamp goes out. The previously selected settings are restored.
When you activate MAX COOL, climate con-
trol switches to the following functions:
R maximum cooling
R maximum airflow
R air-recirculation mode on Defrosting the windows
Windows fogged up on the inside X
Activate the 005Acooling with air dehu-
midification function.
X Activate automatic mode 0058.X
Adjust the side air vents so that the warmed
air is directed to the side windows.
X If the windows continue to fog up, activate
the 0064 "Windshield defrosting" function.
i You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside X
Dual-zone automatic climate control: press
air distribution adjustment button 006Eup or
down (Y page 143), until the 009Cor009B
symbol appears in the display.
X 3-zone automatic climate control: press air
distribution adjustment button 0071up or
down (Y page 145), until the 009Cor009B
symbol appears in the display.
X Adjust the side air vents so that no air is
directed to the side windows. Rear window defroster
General notes The rear window defroster has a high current
draw. You should therefore switch it off as
soon as the rear window is clear. Otherwise,
the rear window defroster switches off auto-
matically after several minutes.
If the battery voltage is too low, the rear win-
dow defroster may switch off.
Activating/deactivating X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Press the 006Cbutton.
The indicator lamp above the 006Cbutton
lights up or goes out. Operating the climate control systems
151Climate control

Problems with the rear window defroster
Problem
Possible causes/consequences and
0050
0050Solutions The rear window
defroster has deactiva-
ted prematurely or can-
not 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
defroster can be activated again. Activating/deactivating air-recircula-
tion mode
General notes You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the vehi-
cle will then be recirculated.
If you switch on air-recirculation mode, the
windows can fog up more quickly, in particu-
lar at low temperatures. Only use air-recircu-
lation mode briefly to prevent the windows
from fogging up.
Switching on/off X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To activate: press the0072button.
The indicator lamp above the 0072button
lights up.
i Dual-zone automatic climate control: air-
recirculation mode is automatically activa-
ted at high outside temperatures.
3-zone automatic climate control: air-recir- culation 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 0072 button does not light up. Outside air is
added after about 30 minutes.
X To deactivate: press the0072button.
The indicator lamp above the 0072button
goes out. i
Air-recirculation mode deactivates auto-
matically:
R after approximately five minutes at out-
side temperatures below approximately
41 ‡ (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
41 ‡ (5 †) if the "Cooling with air dehu-
midification" function is activated Activating/deactivating the residual
heat function
General notes The residual heat function is only available in
vehicles for Canada with 3-zone automatic
climate control.
It is possible to make use of the residual heat
of the engine to continue heating the vehicle
for approximately 30 minutes after the engine
has been switched off. The heating time
depends on the set interior temperature.
Switching on/off X
Turn the SmartKey to position 0in the igni-
tion lock or remove it (Y page 157).
X To activate: press the004Bbutton.
The indicator lamp above the 004Bbutton
lights up. 152
Operating the climate control systemsClimate control