
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times. G
WARNING
When it is dark or foggy, turn the light switch
quickly from 000Dto000A.O therwise, the
headlamps could switch off temporarily and
you could cause an accident.
Front fog lamps G
WARNING
If you suspect tha tdriving conditions will be
foggy, turn the light switch to 000Abefore you
start yourj ourney. Your vehicle may
otherwise not be visible and you could
endanger yourself and others. G
WARNING
In low ambient lighting or foggy conditions,
only switch from position 000Dto000A with
the vehicle at a standstill in a safe location.
Switching from 000Dto000A will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions may
result in an accident.
X To switch on the front fog lamps: turn
the SmartKey in the ignition lock to position
2 or start the engine.
X Turn the light switch to 000Aor0012. If the
light switch is set to 000D, you cannot
switch on the fog lamps.
X Pull the light switch out to the first detent.
The green 000Bindicator lamp on the light
switch lights up.
X To switch off the front fog lamps: press
the light switch in as far as it will go.
The green 000Bindicator lamp on the light
switch goes out. Rear fog lamp X
To switch on the rear fog lamp: turn the
SmartKey in the ignition lock to position 2
or start the engine.
X Turn the light switch to 000Aor0012
(vehicles with front fog lamps), or turn the
light switch to 000A(vehicles without front
fog lamps). If the light switch is set to
000D, you cannot switch on the rear fog
lamp.
X Turn the light switch to 000A. If the light
switch is set to 0012, you cannot switch on
the rear fog lamp.
X Pull the light switch out to the second stop
(vehicles with front fog lamps) or pull it out
to the stop (vehicles without front fog
lamps).
The yellow 000Dindicator lamp on the light
switch lights up.
X To switch off the rear fog lamp: press the
light switch in as far as it will go.
The yellow 000Dindicator lamp on the light
switch goes out.
Headlam pcleaning system If the "Wipe with washer fluid" function is
operated five times (Y
page 289) while the
lights are on and the engine is running, the
headlamps are cleaned automatically. When
you switch off the ignition, the automatic
headlamp cleaning syste mis reset and
counting is resumed from 0. 282
Exterior lightingLights and windshield wipers

Combination switch
Turn signals 0002
High-beam headlamps
0003 Right tur nsignal
0026 High-beam flasher
0025 Left turn signal
X To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow 0003or0025.
The corresponding tur nsignal flashes three
times.
X To indicate: press the combination switch
beyond the pressure point in the direction
of arrow 0003or0025.
High-beam headlamps X
To switch on th ehigh-beam headlamps:
turn the SmartKey in the ignition lock to
position 2or start the engine.
X Turn the light switch to 000A.
X Press the combination switc hbeyond the
pressure point in the direction of
arrow 0002.
The 0009 indicator lamp in the instrument
cluster lights up.
X To switch off the high-beam
headlamps: move the combination switch
back to its normal position.
The 0009 indicator lamp in the instrument
cluster goes out. High-beam flasher X
To switch on: turn the SmartKey in the
ignition lock to position 1or 2or start the
engine.
X Pull the combination switch in the direction
of arrow 0026. Hazard warning lamps
The hazard warning lamps automatically
switch on if:
R
an air bag is deployed.
R the vehicle is slowed down rapidly from a
speed of over 45 mph (70 km/h) and
comes to a halt.
X To switch on the hazard warning lamps:
press button 0002.
All turn signals flash. If you now switch on
a turn signal using the combination switch,
only the turn signal lamp on the
corresponding side of the vehicle will flash.
X To switch off the hazard warning
lamps: press button 0002.
If the vehicle returns to a speed of over
6m ph (10 km/h) after a full application of the
brakes, the hazard warning lamps are
deactivated automatically.
i The hazard warning lamps still operate if
the ignition is switched off. Exterior lighting
283Lights and windshield wipers Z

Rear-compartmen
toverhead control panel
0002 Reading lamp
0003 Press 0011consecutively:
to switch the reading lamp and interior
lighting on
to switch only the reading lamp on
to switch the reading lamp off
0026 Interior lighting Interior lighting control
Important notes In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
except for when the SmartKey is in position
2
in the ignition lock.
Automatic interio rlighting control X
To switch on/off: press the0018button.
The OFF indicator lamp shows whether the
automatic interior lighting control is
deactivated (indicator lamp on) or
activated (indicator lamp off).
The interior lighting automatically switches
on if you:
R unloc kthe 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
ignition lock. You can activate this delayed
switch-off using COMAND (Y page 267).Manual interior lighting control X
To switch the front interior lighting on/
off: press the 0004button.
X To switch the rear interior lighting on/
off: press the 0001button.
X To switch the reading lamps on/off:
press the 0011button. Replacing bulbs
Important safety notes
Xenon bulbs G
DANGER
Xenon bulbs carry a high voltage. You could
get an electric shock and be seriously or even
fatally injured if you touch the electric
contacts on Xenon bulbs. Therefore, never
remove the cover from Xenon bulbs.
Do not change the Xenon bulbs yourself, but
have them replaced at a qualified workshop.
If your vehicle is equipped with Xenon bulbs,
you can recognize this by the following: the
cone of light from the Xenon bulbs moves
from the top to the bottom and back again
when you start the engine. For this to be
observed, the lights must be switched on
before starting the engine.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Other bulbs There are bulbs other than the Xenon bulbs
that you cannot replace. Replace only the
bulbs listed (Y
page 287). Have the bulbs that
you cannot replace yourself changed at a
qualified specialist workshop.
If you require assistance changing bulbs,
consult a qualified specialist workshop.
Do not touch the glass tube of new bulbs with
your bare hands. Even minor contamination 286
Replacing bulbsLights and windshield wipers

Hold the windshield wiper arm firmly when
you change the wiper blade. If you release
the windshield wiper arm withou
tawiper
blade and it falls onto th ewindshield, the
windshield may be damaged by the force of
the impact.
Mercedes-Ben zrecommends that you have
the wiper blades replaced by aqualified
specialist workshop, e.g. at an authorized
Mercedes-Ben zCenter.
! Always position the windshield wiper
arms vertically before folding them away
from the windshield. By doing so, you will
avoid damage to the hood.
! To avoid damaging the wiper blades,
make sure that you touch only the wiper
arm of the wiper.
Changing the windshield wiper blades Moving the wiper blades to
avertical
position
Vehicles without KEYLESS-GO
X Turn the SmartKey to position 1or 2in the
ignitio nlock.
X Set the windshield wipers to
position 0014.
X When the wiper arms have reached a
vertical position, turn the SmartKey to
position 0and remove it from the ignition
lock.
Vehicles with KEYLESS-GO
X Switch off the engine.
X Remove your foot from the brake pedal.
X Set the windshield wipers to
position 0014.
X Press the Start/Stop button repeatedly
until the windshield wipers start.
X When the wiper arms have reached a
vertical position, press the Start/Stop
button. Removing the wiper blades
X
Fold the wiper arm away from the
windshield until it engages.
X Set the wiper blade at right angles to the
wiper arm. X
Remove the wiper blade from the retaining
pin on the wiper arm in the direction of the
arrow.
Installing the wiper blades
X Push the new wiper blade ontot he
retaining pin on the wiper arm in the
opposite direction to the arrow.
Make sure that the wiper blade slides fully
onto the retaining pin on the wiper arm.
X Turn the wiper blade parallel to the wiper
arm.
X Fold the wiper arm back onto the
windshield. Problems with the windshield wipers
The windshield wipers are obstructed Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
X
For safety reasons, you should remove the
SmartKey from the ignition lock.
or
X Switch off the engine using the Start/Stop
button and open the driver's door.
X Remove the cause of the obstruction.
X Switch the windshield wipers back on. 290
Windshield wipersLights and windshield wipers

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops (Y page 31).Overview of climate control systems
Important safety notes
G
WARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. Aclogged
filter will reduce the air volume to the interior
and the windows could fog up, impairing
visibility and endangering you and others.
Have a blocked filter replaced at a Mercedes-
Ben zCenter as soon as possible. G
WARNING
Follow the recommended settings for heating
and cooling given on the following pages.
Otherwise, the windows could fog up,
impairing visibility and endangering you and
others.
Automatic climate control controls the
temperature and the humidity in the vehicle
interior and filters undesirable substances
from the air.
Automatic climate control is only operational
when the engine is running 16
.O ptimum
operation is only achieved if you drive with the
side windows and sliding sunroof/panorama
roof with power tilt/sliding panel closed. You can also set some automatic climate
contro
lfunction svia COMAND (Y page 269).
i Ventilate the vehicle for a brief period
during warm weather, e.g. using the
convenience opening feature (Y page 96).
This will speed up the cooling process and
the desired vehicle interior temperature
will be reached more quickly.
i The integrated filter can filter out most
particles of dust, and completely filters out
pollen .Aclogged filter reduces the amount
of air supplied to the vehicle interior .For
this reason, you should always observe the
interval for replacing the filter, which is
specified in the Maintenance Booklet .As it
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Maintenance
Booklet.
i It is possible that the blower may be
activated automatically 40 minutes after
the SmartKey is removed. The vehicle is
then ventilated for 30 minutes to dry the
air-conditioning system.
16 The residual heat function can only be activated/deactivated if the ignition is switched off. 294
Overview of climate control systemsClimate control

Switching the rear-compartment
climate control on/off using the rear
control panel X
Turn the SmartKey to position 2in the
ignition lock.
X To switch on: press rocker switch
001F(Y page 295) up or down and select
AUTO .
or
X Press rocker switch 001F(Ypage 295) up or
down and select MAN .
X To switch off: press rocker switch
001F(Y page 295) up or down and select
OFF .
Activating/deactivating cooling with
air dehumidification
Important information The cooling with air dehumidification function
is only available when the engine is running.
The air inside the vehicle is cooled and
dehumidified according to the temperature
selected. 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.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a
malfunction.
You can activate or deactivate the cooling
with air dehumidification function via
COMAND (Y page 271).
i The cooling with air dehumidification
function uses refrigerant R134a. This
coolant does not contain
chlorofluorocarbons, and therefore does
not damage the ozone layer. Problems with the cooling with air
dehumidification function If you can no longer switch on the cooling with
air dehumidification function via COMAND,
the cooling with air dehumidification function
is switched off due to a malfunction.
X
Consult 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.
Controlling the front climate control
using the front control panel X
Turn the SmartKey to position 2in the
ignition lock.
X Set the desired temperature.
X To switch on: press the0004rocker
switch up or down.
The indicator lamp in the 0004rocker
switch lights up. Operating the climate control systems
297Climate control Z

Setting the rear-compartment airflow
using the front control panel X
Turn the SmartKey to position 2in the
ignition lock.
X Activate the 0007rear compartment
function via COMAND (Y page 273).
The rear-compartment climate control can
be controlled via the front control panel
using the 0007rear compartment function.
X To increase/reduce: press the0016
rocker switch up or down.
Setting the rear-compartment airflow
using the rear control panel X
Turn the SmartKey to position 2in the
ignition lock.
X To increase/reduce: press rocker switch
001E up or down (Y page 295). Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
i You should only select the defrosting
function until the windshield is clear again.
X Turn the SmartKey to position 2in the
ignition lock.
X To switch on: press the0008rocker
switch up or down.
The indicator lamp in the 0008rocker
switch lights up.
The climate control system switches to the
following functions:
R cooling with air dehumidification on
R high airflow 17
R high temperature 17
R air distribution to the windshield and
front side windows
R air-recirculation mode off X
To deactivate: press the0008rocker
switch up or down.
The indicator lamp in the 0008rocker
switch goes out. The previously selected
settings come into effect again. The cooling
with air dehumidification function remains
on. Air-recirculation mode remains
deactivated.
or
X Press the 0012rocker switch up or down.
or
X Press the 0016rocker switch up or down. 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.
The MAX COOL function is activated
automatically:
R if climate control is set to automatic
(0004) on both sides
R if additional cooling is used
The display shows MAX COOL .
This is the quickest way to cool the vehicle
interior when the sliding sunroof and the side
windows are closed. Defrosting the windows
Windows fogged up on the inside X
Activate the cooling with air
dehumidification function via COMAND
(Y page 271).
X Activate automatic mode 0004.
X If the windows continue to fog up, activate
the defrosting function (Y page 300).
i You should only select this setting until
the windshield is clear again.
17 Depending on the outside temperature. 300
Operating the climate control systemsClimate control

i
Air-recirculatio nmode deactivates
automatically:
R after approximately five minutes at
outside temperatures below
approximately 41 ‡ (5 †)
R after approximately five minutes if
cooling with air dehumidification is
deactivated
R after approximately 30 minutes at
outside temperatures above
approximately 41 ‡ (5 †) Activating/deactivating the residual
heat function
It is possible to make use of the residual heat
of the engine to continue heating the
stationary vehicle for up to 30 minutes after
the engine has been switched off. The heating
time depends on the temperature that has
been set.
i The blower will run at a low speed
regardless 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 Turn the SmartKey to position 0in the
ignition lock or remove it.
X To activate: press the0002rocker switch
up or down.
The indicator lamp in the 0002rocker
switch lights up.
X To deactivate: press the0002rocker
switch up or down.
The indicator lamp in the 0002rocker
switch goes out.
i Residual heat is deactivated
automatically:
R after about 30 minutes
R when the ignition is switched on
R if the battery voltage drops
R if the coolant temperature is too low Setting the air vents
Important safety notes
G
WARNING
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperature). This
could cause burns or frostbite to unprotected
skin in the immediate area of the air vents.
Always keep sufficient distance between
unprotected parts of the body and the air
vents. If necessary, use the air distribution
adjustmen tto direct the air to air vents in the
vehicle interior that are not in the immediate
area of unprotected skin.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R keep the air intake grille on the hood free
of blockages, such as ice, snow or leaves
R never cover the air vents or air intake grille
in the vehicle interior.
i For virtually draft-free ventilation, adjust
the sliders of the air vents to the center
position. Setting the center air vents
0002
Fixed center air vent
0003 Center air vent, right
0026 Center vent thumbwheel, right 302
Setting the air ventsClimate control