the instrument cluster goes out. The
_
indicator lamp in the multifunction display
remains lit.
X To deactivate: move the combination
switch back to its normal position.
The _ indicator lamp in the instrument
cluster goes out. Headlamps fogged up on the inside
The headlamps may fog up on the inside if
there is high atmospheric humidity.
X Switch on the light and drive off.
The level of moisture diminishes,
depending
on the length of the journey and
the weather conditions (humidity and
temperature).
If the level of moisture does not diminish:
X Have the headlamps checked at a qualified
specialist workshop. Interior lighting
Overview of interior lighting
Front overhead control panel
:
u To switch the rear interior lighting
on/off
; | To switch the automatic interior
lighting control on/off
= p To switch the right-hand front
reading lamp on/off ?
c To switch the front interior lighting
on/off
A p
To switch the left-hand front reading
lamp on/off Rear-compartment overhead control panel
:
p To switch the right-hand reading
lamp on/off
; p
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 2 in the
ignition lock.
The color and brightness of the ambient
lighting may be set using the on-board
computer (Y page 221). Interior lighting
117
Lights and windshield wipers Z
Control panel for 3-zone automatic climate control
Canada only
Front control panel
: Sets the temperature, left ( Y page 130)
; Defrosts the windshield ( Y page 131)
= Activates/deactivates the residual heat function (Y page 133)
? Activates/deactivates cooling with air dehumidification ( Y page 128)
A Switches the rear window defroster on/off( Y page 132)
B Sets the temperature, right ( Y page 130)
C Switches the ZONE function on/off ( Y page 131)
D Switches climate control on/off ( Y page 128)
E Sets the air distribution (Y page 130)
F Increases the airflow ( Y page 131)
G Reduces the airflow ( Y page 131)
H Adjusts the climate control settings (Y page 129)
I Activates/deactivates air-recirculation mode (Y page 132)
J Sets climate control to automatic (Y page 129)
Rear control panel
K Increases the airflow ( Y page 131)
L Reduces the airflow ( Y page 131)
M Display
N Reduces the temperature ( Y page 130)
O Increases the temperature (Y page 130) Overview of climate control systems
127Climate control Z
i
The cooling with air dehumidification
function uses refrigerant R134a. This
coolant does not contain
chlorofluorocarbons, and therefore does
not damage the ozone layer.
Activating/deactivating X
To activate: press the ¿ button.
The indicator lamp in the ¿ button lights
up.
X To deactivate: press the ¿ button.
The
indicator lamp in the ¿ button goes
out. The cooling with air dehumidification
function has a delayed switch-off feature.
Problems with the cooling with air
dehumidification function When you press the
¿ button, the
indicator lamp in the button flashes three
times
or remains off. You can no longer switch
on the cooling with air dehumidification
function.
X Visit a qualified specialist workshop. Setting climate control to automatic
G
WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions
are warm. The windows can fog up
more quickly. Window fogging may impair
visibility and endanger you and others.
In automatic mode, the set temperature is
maintained automatically at a constant level.
The system automatically regulates the
temperature of the dispensed air, the airflow
and the air distribution.
Automatic mode will achieve optimal
operation if cooling with air dehumidification
is also activated. If desired, cooling with air
dehumidification can be deactivated. X
Turn the SmartKey to position 2 in the
ignition lock.
X Set the desired temperature.
X To activate: press the à button.
The
indicator lamp in the à button lights
up. Automatic air distribution and airflow
are activated.
i 3-zone automatic climate control: when
automatic mode is activated, you can
select a climate mode setting
(Y page 129).
X To switch off: press the _ button.
or
X Press the I or K button.
The
indicator lamp in the à button goes
out. Adjusting the climate mode settings
You can select the following climate mode
settings in automatic mode:
FOCUS high airflow that is set slightly cooler
MEDIUM medium airflow, standard setting
DIFFUSE low airflow that is set slightly warmer and with less draft
X Turn the SmartKey to position 2 in the
ignition lock.
X Press the à button.
X Press the ñ button repeatedly until the
desired climate mode appears in the
display. Operating the climate control systems
129
Climate control Z
Setting the temperature
Climate control Different temperatures can be set for the
driver's and front-passenger sides.
X
Turn the SmartKey to position 2 in the
ignition lock.
X To increase/reduce: turn controls : and
B clockwise or counter-clockwise
(Y page 125).
Only change the temperature setting in
small increments. Start at 72 ‡ (22 † ).
3-zone automatic climate control Automatic climate control zones
You
can select different temperature settings
for the driver's and front-passenger sides as
well as for the rear compartment.
X Turn the SmartKey to position 2 in the
ignition lock.
X To increase/reduce the temperature in
the front: turn controls : and B
clockwise or counter-clockwise
(Y page 127).
Only change the temperature setting in
small increments. Start at
72 ‡ (22 † ).
X To increase/reduce the temperature in
the rear compartment using the front
control panel: press the á button.
The
indicator lamp in the á button goes
out.
X Turn control : clockwise or counter-
clockwise (Y page 127). Only change the temperature setting in
small increments. Start at
72 ‡ (22 † ).
The temperature setting for the driver's
side is adopted for the rear compartment
and the front-passenger side.
X To increase/reduce the temperature in
the rear compartment using the rear
control panel: press the r or s
button on the rear control panel.
Only change the temperature setting in
small increments. Start at
72 ‡ (22 † ). Setting the air distribution
Air distribution settings P
Directs air through the center and side
air vents
O Directs the airflow through the
footwell air vents
S Directs air through the center, side and
footwell vents
¯ Directs air through the defroster vents
b Directs the airflow through the
defroster, center and side air vents
(Canada only)
a Directs air through the defroster and
footwell vents
_ Directs the airflow through the
defroster,
center and side air vents, as
well as the footwell air vents (Canada
only)
i Regardless of the air distribution setting,
airflow is always directed through the side
air vents. The side air vents can only be
closed when the controls on the side air
vents are turned downwards.
Adjusting X
Turn the SmartKey to position 2 in the
ignition lock.
X Press the _ button repeatedly until the
desired symbol appears in the display. 130
Operating the climate control systems
Climate control
X
To activate: press the Ù button.
The indicator lamp in the button lights up.
X To activate: press off-road button Ù
again.
The
indicator lamp goes out. The previously
selected settings are restored.
When you activate MAX COOL, climate
control 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 ¿ cooling with air
dehumidification function.
X Activate automatic mode Ã.
X If the windows continue to fog up, activate
the defrosting function
(Y page 131).
i You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside X
Press the _ button repeatedly until the
P or O symbol appears in the
display.
i You should only select this setting until
the windshield is clear again. Rear window defroster
Activating/deactivating G
WARNING
Clear all windows of ice or snow before setting
off. Otherwise, impaired visibility could
endanger you and others.
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
automatically after several minutes.
If the battery voltage is too low, the rear
window defroster may switch off.
X
Turn the SmartKey to position 2 in the
ignition lock.
X Press the ¤ button.
The
indicator lamp in the ¤ button lights
up or goes out.
Problems with the rear window
defroster The rear window defroster has deactivated
prematurely or cannot be activated.
X
Switch off any consumers that are not
required, e.g. reading lamps or interior
lighting.
When the battery is sufficiently charged,
the rear window defroster is activated
again automatically. Activating/deactivating air-
recirculation mode
G
WARNING
At low outside temperatures, only switch over
to air-recirculation mode for brief periods.
Otherwise, the windows could fog up, thus
impairing visibility and endangering yourself
and others. This may prevent you from
observing the traffic conditions and thereby
cause an accident.
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
The
operation of air-recirculation mode is the
same for all control panels. 132
Operating the climate control systems
Climate control
Starting the engine
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these
exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation.
! Do not depress the accelerator pedal
when starting the engine.
General notes i
The catalytic converter is preheated for
up to 30 seconds after a cold start. The
sound
of the engine may change during this
time.
Automatic transmission X
Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
Starting procedure with the SmartKey i
To start the engine using the SmartKey
instead of KEYLESS-GO, pull the Start/
Stop button out of the ignition lock.
X Turn the SmartKey in the ignition lock to
position 3 (Y page 139) and release it as
soon as the engine is running.
Using KEYLESS-GO to start the engine G
WARNING
As long as the SmartKey is in your vehicle, the
vehicle
can be started. Therefore, never leave
children unattended in the vehicle, as they
could otherwise accidentally start the engine.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle,
or with access to an unlocked vehicle. A
child's
unsupervised access to a vehicle could
result in an accident and/or serious personal
injury.
i The Start/Stop button can be used to
start the vehicle manually without inserting
the SmartKey into the ignition lock. The
Start/Stop button must be inserted into
the ignition lock and the SmartKey must be
in the vehicle. This mode for starting the
engine operates independently of the ECO
start/stop automatic engine start function.
X Depress the brake pedal and keep it
depressed.
X Press the Start/Stop button ( Y page 139)
once.
The engine starts. Pulling away
Automatic transmission G
WARNING
If the engine speed is above the idling speed
and you engage transmission position D or
R,
the vehicle could pull away suddenly. There
is a risk of an accident.
When engaging transmission position D or R,
always firmly depress the brake pedal and do
not simultaneously accelerate.
! If a warning tone sounds and the
Release Park. Brake message appears
in the multifunction display, the parking
brake is still applied. Release the parking
brake.
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position D or R.
X Release the parking brake ( Y page 158).
X Release the brake pedal.
X Carefully depress the accelerator pedal. Driving
141
Driving and parking Z
i
It is only possible to shift the transmission
from position P to the desired position if
you depress the brake pedal. Only then is
the parking lock released. If you do not
depress the brake pedal, you can move the
DIRECT SELECT lever but the parking lock
remains engaged.
i The vehicle locks centrally once you have
pulled away. The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic
locking feature (Y page 222).
i Upshifts take place at higher engine
speeds after a cold start. This helps the
catalytic converter to reach its operating
temperature more quickly.
Hill start assist G
WARNING
After a short time, hill start assist will no
longer brake your vehicle and it could roll
away.
There is a risk of an accident and injury.
Therefore, quickly move your foot from the
brake pedal to the accelerator pedal. Never
leave the vehicle when it is held by hill start
assist.
Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient.
It holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and to depress it before the vehicle begins to
roll.
X Take your foot off the brake pedal.
The
vehicle is then held for about a second.
X Pull away.
Hill start assist will not function if:
R you are pulling away on a level road or on
a downhill gradient.
R the transmission is in position N. R
the parking brake is applied.
R ESP ®
is malfunctioning. ECO start/stop function
Important safety notes G
WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically.
The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes The ECO start/stop function switches the
engine off automatically when the vehicle
stops moving.
The engine starts automatically when the
driver wants to pull away again. The ECO
start/stop function thereby helps you to
reduce the fuel consumption and emissions
of your vehicle.
Every
time you switch on the engine using the
SmartKey or the Start/Stop button, the ECO
start/stop function is activated.
AMG vehicles: the ECO start/stop function
is only available in drive program C.
The system is operational when ECO symbol
¤ is shown in green in the multifunction
display.
AMG vehicles: the AMG menu in the
multifunction display additionally shows the
Stop/Start active message.
If conditions for automatic engine switch-off
have not been fulfilled ( Y page 143), the
¤ symbol will be shown in yellow.
AMG vehicles: the AMG menu in the
multifunction display additionally shows the
Stop/Start inactive message.
If the ECO start/stop function has been
manually deactivated ( Y page 143) or a142
Driving
Driving and parking
malfunction has caused the system to be
deactivated, the ¤ symbol is not
displayed.
AMG vehicles:
in the AMG menu on the
multifunction display, the Stop/Start
active or Stop/Start inactive display
message disappears.
If the engine is switched off and the ¤
symbol
is shown in green in the multifunction
display, the engine has been switched off
automatically. However, all vehicle systems
remain active.
Deactivating/activating the ECO start/
stop function ECO button
X
To switch off (except AMG vehicles):
press button :.
Indicator lamp ; on button : and the
¤
symbol in the multifunction display go
out.
X To switch on (except AMG vehicles):
press button :.
Indicator
lamp ; lights up. If all conditions
for automatic engine switch-off
(Y page 143) are fulfilled, the ¤ symbol
is shown in green in the multifunction
display.
If not all conditions for automatic engine
switch-off ( Y page 143) are fulfilled, the
¤ symbol is shown in yellow in the
multifunction display. If this is the case, the
ECO start/stop function is not available. X
To switch off (AMG vehicles): press
button : in drive program C.
or
X Switch to drive program S, S+ or M
(Y page 150).
Indicator lamp ; on button : and the
¤
symbol in the multifunction display go
out.
The Stop/Start active or Stop/Start
inactive message in the AMG menu in the
multifunction display goes out.
X To switch on (AMG vehicles): press
button :.
Indicator lamp ; lights up. If drive
program S, S+
or M is active, the automatic
transmission switches to drive program C.
If all conditions for automatic engine
switch-off ( Y page 143) are fulfilled, the
¤ symbol is shown in green in the
multifunction display. In addition, the
Stop/Start active message is shown in
the AMG menu in the multifunction display.
If conditions for automatic engine switch-
off (Y page 143) have not been fulfilled, the
¤ symbol will be shown in yellow. If this
is the case, the ECO start/stop function is
not available. In addition, the Stop/Start
inactive message is shown in the AMG
menu in the multifunction display.
i If
indicator lamp ; is off, the ECO start/
stop function has been deactivated
manually or as the result of a malfunction.
The engine will then not be switched off
automatically when the vehicle stops.
i Every time you switch on the engine using
the SmartKey or the Start/Stop button, the
ECO start/stop function is activated.
Automatic engine switch-off Method of operation
If the vehicle is braked to a standstill in
D or
N, the ECO start/stop function switches off
the engine automatically. Driving
143
Driving and parking Z