
High-beam flasher
:
High-beam headlamps
; Turn signal, right
= High-beam flasher
? Turn signal, left
X To switch on:  turn the SmartKey in the
ignition lock to position  1 or 2 or start the
engine.
X Pull the combination switch briefly in the
direction of arrow =. Hazard warning lamps
X
To switch on the hazard warning lamps: 
press button :.
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 :. The hazard warning lamps automatically
switch on if:
R
an air bag is deployed
R the Emergency Tensioning Devices are
triggered, or
R the vehicle is slowed down rapidly from a
speed of over 45 mph (70 km/h) and
comes to a halt
The hazard warning lamps switch on
automatically if an air bag or the Emergency
Tensioning Devices are triggered and the
SmartKey 
is in position  1 in the ignition lock.
The hazard warning lamps switch off
automatically if the vehicle reaches a speed
of over 6mph (10km/h) again after a full
brake application.
i The hazard warning lamps still operate if
the ignition is switched off. Cornering light function
The cornering light function improves the
illumination of the road over a wide angle in
the 
direction you are turning, enabling better
visibility in tight bends, for example. The
cornering light function can only be activated
if the low-beam headlamps are switched on
and the fog lamps are switched off.
Active:  if you are driving at speeds below
25 mph (40 km/h) and switch on the turn
signal or turn the steering wheel
Not active:  if you are driving at speeds above
25 mph (40 km/h) or switch off the turn 104
Exterior lighting
Lights and windshield wipers       

signal or turn the steering wheel to the
straight-ahead position
The 
cornering light function may remain lit for
a short time, but is automatically switched off
after no more than three minutes. Headlamps and indicator lamps
fogged up on the inside
The 
headlamps and the indicator lamps in the
exterior mirrors may fog up on the inside if
there is high atmospheric humidity.
X Drive with the headlamps switched on.
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
:
p 
Switches the left-hand front reading
lamp on/off
; c Switches the front interior lighting
on
= t Switches the cargo compartment
lamp/rear interior lighting on/off
? | 
Switches the front interior lighting/
automatic interior lighting control off A
p Switches the right-hand reading
lamp on/off
B Switches the automatic interior lighting
control on Rear-compartment overhead control panel
:
p Switches the right-hand reading
lamp on/off
; p 
Switches 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 brightness of the ambient lighting may be
set using the control on the instrument
cluster (Y page 209). Interior lighting
105
Lights and windshield wipers Z     

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 G
WARNING
Bulbs and lamps can become very hot. For
this reason, allow them to cool down before
changing them. Otherwise, you could burn
yourself when you touch them.
Keep bulbs out of the reach of children.
Otherwise, they could, for example, damage
the bulbs and injure themselves.
Never use a bulb which has been dropped.
Such a bulb may explode and injure you.
Halogen bulbs are pressurized and could
explode when you change them, especially if
they are very hot. You should therefore wear
eye protection and gloves when you are
changing them.
There are bulbs other than the Xenon bulbs
that you cannot replace. Replace only the
bulbs 
listed (Y page 109). 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
can burn into the glass surface and reduce
the service life of the bulbs. Always use a lint-
free cloth or only touch the base of the bulb
when installing.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult
a qualified specialist workshop.
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. Before changing bulbs Have the following bulbs changed at a
qualified specialist workshop:
R
Additional turn signals in the exterior
mirrors
R High-mounted brake lamp
R High-beam/low-beam headlamps (Xenon
bulbs)
R Daytime running lamps
R Parking lamp/standing lamp
R License plate lamp
i Individual segments of the license plate
lamp LEDs may fail without a display
message appearing in the multifunction
display. Regularly check the license plate
lamp. If necessary, visit a qualified
specialist workshop.
You can replace the following bulbs:
R Fog lamp/cornering light with fog lamp
function
R Turn signal lamp (front)
R Brake/tail lamp
R Turn signal lamp (rear)
R Tail lamp/standing lamp
R Backup lamp
R Rear fog lamp
R Side marker lamps Overview: changing bulbs/bulb types
Front lamps You can change the following bulbs. The bulb
type can be found in the legend. Replacing bulbs
109
Lights and windshield wipers Z 

:
Turn signal lamp: 1156 NA
; Side marker lamp: T 4 W
= Cornering light function with fog lamp
function: 
H11 55 W (except AMG vehicles)
Rear lamps You can change the following bulbs. The bulb
type can be found in the legend.
:
Tail lamp/standing lamp: W 5 W
; Brake lamp/tail lamp: P 21/5 W
= Turn signal lamp: PY 21 W
? Side marker lamp: T 4 W
A Backup lamp: P 21 W
B Rear fog lamp: P 21 W Changing the front bulbs
Front fog lamps/cornering lamps with
fog lamp function X
Switch off the lights.
X Unscrew screws :.
X Remove cover ;. X
Unscrew screws =.
i Only remove screws =. Do not turn
adjustment screw  ?. If adjustment
screw ? has been turned, the front fog
lamp adjustment must be checked at a
qualified workshop.
X Remove lamp  A.110
Replacing bulbs
Lights and windshield wipers         

X
Unscrew screws ;.
X Swing protection grille : to the right.
X After changing the bulbs, swing protection
grille  : to the left.
X Tighten screws ;.
Tail lamp ! 
When installing the lens, make sure that
the seal is positioned correctly.
!  Do not fasten the screws too tightly. You
could otherwise damage the lens. X
Switch off the lights.
X Unscrew screws :.
X Remove lens  ;.=
Turn signals
? Brake/tail lamp
A Tail lamp/standing lamp X
Turn the bulb counterclockwise, applying
slight pressure, and remove it from bulb
holder.
X Insert the new bulb into the bulb holder and
turn it clockwise until it engages.
X Install lens ;.
X Replace and tighten screws  :.
X AMG vehicles:   secure the protection grille
(Y page 112).
Backup lamp/rear fog lamp ! 
Do not fasten the screws too tightly. You
could otherwise damage the lens. Example: rear fog lamp
X
Switch off the lights.
X Unscrew screws ;.
X Remove lens  :. X
Turn bulb  = counter-clockwise, applying
slight 
 pressure, and remove it from the bulb
holder.
X Insert the new bulb into the bulb holder and
turn it clockwise until it engages. Replacing bulbs
113
Lights and windshield wipers Z         

USA only
:
Sets the temperature, left ( Y page 131)
; Defrosts the windshield ( Y page 131)
= Switches maximum cooling MAX COOL on/off ( Y page 132)
? Activates/deactivates cooling with air dehumidification ( Y page 124)
A Switches the rear window defroster on/off( Y page 133)
B Sets the temperature, right ( Y page 131)
C Activates/deactivates air-recirculation mode (Y page 134)
D Sets the air distribution (Y page 131)
E Increases the airflow ( Y page 131)
F Reduces the airflow ( Y page 131)
G Display
H Switches climate control on/off ( Y page 121)
I Sets climate control to automatic (Y page 130) Information about using automatic
climate control
The following contains notes and
recommendations on optimum use of
automatic climate control.
R Activate 
climate control using the  Ã and
Á buttons. The indicator lamps in the
à and Á buttons light up.
R Set the temperature to 72 ‡ (22 †).
R Only use the "defrosting" function briefly
until the windshield is clear again. R
Only use "air-recirculation" mode briefly,
e.g. if there are unpleasant outside odors
or when in a tunnel. The windows could
otherwise 
fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side as well. The
indicator lamp in the  á button goes out.120
Overview of climate control systems
Climate control   

USA only
:
Sets the temperature, left ( Y page 131)
; Defrosts the windshield ( Y page 131)
= Switches maximum cooling MAX COOL on/off ( Y page 132)
? Activates/deactivates cooling with air dehumidification ( Y page 124)
A Switches the rear window defroster on/off( Y page 133)
B Sets the temperature, right ( Y page 131)
C Activates/deactivates air-recirculation mode (Y page 134)
D Sets the air distribution (Y page 131)
E Increases the airflow ( Y page 131)
F Reduces the airflow ( Y page 131)
G Display
H Switches climate control on/off ( Y page 121)
I Sets climate control to automatic (Y page 130)
X Press the ^ button.
The indicator lamp in the  ^ button lights up.Activating/deactivating cooling with air dehumidification
Points to observe before use 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.
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. 124
Operating the climate control systems
Climate control   

X
Turn the SmartKey to position
2 (Y page 139) in the ignition lock.
X To activate:  press the ¬ button.
The  indicator lamp in the  ¬ button lights
up.
The climate control system switches to the
following functions:
R cooling with air dehumidification (only
with engine running)
R high airflow (depending on the outside
temperature)
R high temperature (depending on the
outside temperature)
R air distribution to the windshield and
front side windows
R air-recirculation mode off
X To deactivate:  press the ¬ button.
The 
 indicator lamp in the  ¬ button goes
out. The previously selected settings are
restored. The cooling with air
dehumidification function remains on. Air-
recirculation mode remains deactivated.
or
X Press the à button.
The 
indicator lamp in the  ¬ button goes
out. Airflow and air distribution are set to
automatic mode.
or
X Turn controls  : or B clockwise or
counter-clockwise ( Y page 119).
or
X Press the K or I button. Activating/deactivating 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 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  Á 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
Switch on the windshield wipers
(Y page 114).
X Press the  _ button repeatedly until the
P or O symbol appears in the
display. 132
Operating the climate control systems
Climate control