101 Controls in detail
Locking and unlocking
Factory setting
Warning!G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious personal injury.
iWhen you open a door, the side window on
that side lowers slightly. Once you close the
door, the window moves up again.
!The side windows will not open or close if
the battery is discharged or the windows are cov-
ered with ice. As a result, you may no longer be
able to properly close the door. Do not attempt
to force the door shut. Doing so may damage the
door or the side window. Correct the condition
that prevents the windows from operating before
attempting to close the door.
iUSA only:
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open and close the windows
and tilt/sliding sunroof using the SmartKey
(
page 208).
!If you can no longer lock or unlock the vehi-
cle with the SmartKey, then the batteries in the
SmartKey are discharged, the SmartKey is mal-
functioning or the vehicle battery is drained.
Check the batteries in the SmartKey
(
page 103) and replace them if necessary
(
page 402).
Use the mechanical key to unlock the driv-
er’s door (
page 398) and the trunk
(
page 399).
Have the vehicle battery checked by an au-
thorized Mercedes-Benz Center.
If the SmartKey is malfunctioning, contact an au-
thorized Mercedes-Benz Center.
iWhen unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If you
wish to deactivate the feature, or adjust its signal
volume, contact an authorized Mercedes-Benz
Center.
104 Controls in detail
Locking and unlocking
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. It is possible for children
to open a locked door from the inside, which
could result in an accident and/or serious
personal injury.
iWhen you open a door, the side window on
that side lowers slightly. Once you close the
door, the window moves up again.
!The side windows will not open or close if
the battery is discharged or the windows are cov-
ered with ice. As a result, you may no longer be
able to properly close the door. Do not attempt
to force the door shut. Doing so may damage the
door or the side window. Correct the condition
that prevents the windows from operating before
attempting to close the door.
iUSA only:
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open and close the windows
and tilt/sliding sunroof using the SmartKey with
KEYLESS-GO (
page 208).
!If you can no longer lock or unlock the vehi-
cle with the SmartKey with KEYLESS-GO, then
the batteries in the SmartKey are discharged,
the SmartKey with KEYLESS-GO is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the SmartKey with
KEYLESS-GO (
page 103) and replace
them if necessary (
page 402).
Use the mechanical key to unlock the driv-
er’s door (
page 398) and the trunk
(
page 399).
Have the vehicle battery checked by an au-
thorized Mercedes-Benz Center.
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact an authorized Mercedes-Benz
Center.
109 Controls in detail
Locking and unlocking
Front doors
Pull on door handle2 on the respec-
tive front door to open door.
If door was locked, locking knob1 will
move up.
Rear doors
Pull up locking knob1 on the
respective rear door to unlock door.
Pull on door handle2 on the
respective rear door to open door.
Opening the trunk
You can open the trunk if the vehicle is sta-
tionary.
A minimum height clearance of 5.90 ft
(1.80 m) is required to open the trunk lid.iIf the vehicle has previously been locked
with the SmartKey or KEYLESS-GO*, opening a
door from the inside will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the following:
Press button Œ or ‹ on the SmartKey
or SmartKey with KEYLESS-GO*.
Insert the SmartKey or SmartKey with
KEYLESS-GO* in the starter switch.
In vehicles with KEYLESS-GO*
Press the KEYLESS-GO* start/stop button
(
page 39).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.
Pull an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.
iWhen you open a door, the side window on
that side lowers slightly. Once you close the
door, the window moves up again.
iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Switch Off Lights
appears in the multifunction display.
Switch off the headlamps.
!Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
Warning!G
Make sure the trunk is closed when the en-
gine is running and while driving. Among
other dangers, such as blocked visibility, ex-
haust fumes may enter the vehicle interior.
These fumes are damaging to your health.
!The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
183 Controls in detail
Good visibility
Good visibility
For information on windshield wipers, see
“Windshield wipers” (
page 56).
Headlamp cleaning system*
The headlamps will automatically be
cleaned with a high-pressure water jet
when you have
switched on the headlamps
and
operated the windshield wipers with
washer fluid five times
When you switch off the ignition, the
counter resets.
For information on filling up the washer
reservoir, see “Washer system and
headlamp cleaning system*”
(
page 292).
Rear view mirrors
For more information on setting the rear
view mirrors, see “Mirrors” (
page 47).
Auto-dimming mirrors
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the interior rear view mirror will respond
automatically to glare when
the ignition is switched on
and
incoming light from headlamps falls on
the sensor in the interior rear view mir-
ror
The rear view mirrors will not react if
reverse gear is engaged
the interior lighting is turned on
Warning!G
The auto-dimming function does not react if
incoming light is not aimed directly at the
sensors in the interior rear view mirror.
The interior rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, if the rear window sun-
shade* is in raised position.
Light hitting the mirror(s) at certain angles
incident light) could blind you. As a result,
you may not be able to observe traffic con-
ditions and could cause an accident.
Warning!G
Exercise care when using the passen-
ger-side exterior rear view mirror. The mirror
surface is convex (outwardly curved surface
for a wider field of view). Objects in mirror
are closer than they appear. Check your in-
terior rear view mirror or glance over your
shoulder before changing lanes.
185 Controls in detail
Good visibility
1Sun visor
2Mirror cover
3Mirror lamp
4Mounting
5Vanity mirror
Swing sun visors1 down when you
experience glare.
To use the vanity mirror5, lift up the
mirror cover2.
Make sure the sun visor is properly
engaged in the mounting4.
Lamp3 switches on.If sunlight enters through a side window:
Disengage sun visor1 from
mounting4.
Pivot sun visor to the side.
Rear window sunshade*
The switch is located in the center console.
1Rear window sunshade switch
Switch on the ignition (page 38).
Press switch1 briefly to raise the sun-
shade.
Press switch1 briefly to lower the
sunshade.
Always raise the sunshade fully for its sup-
port against the window frame.
iIf sun visor1 is disengaged from
mounting4 with mirror cover2 open, mirror
lamp3 will switch off.
186 Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear. The
defroster is automatically deactivated
after approximately 6 to 20 minutes of
operation depending on the outside tem-
perature.
Switch on the ignition (page 38).Activating
Press button F (page 191) or
button1 (
page 190) on the
respective climate control panel.
The indicator lamp on the button
comes on.
Deactivating
Press buttonF (page 191) or
button1 (
page 190) again.
The indicator lamp on the button goes
out.
Warning!G
When operating the rear window sunshade,
be sure that there is no danger of anyone
being harmed by the raising or lowering pro-
cedure.
The raising or lowering procedure can be
immediately halted by briefly pressing
switch1. To reverse direction of move-
ment, press switch1 again.
Warning!G
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it 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 re-
sult in an accident and/or serious personal
injury.
Warning!G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
187 Controls in detail
Good visibility
!If the rear window defroster switches off too
soon and the indicator lamp starts flashing, this
means that too many electrical consumers are
operating simultaneously and there is insuffi-
cient voltage in the battery. The system re-
sponds automatically by deactivating the rear
window defroster.
As soon as the battery has sufficient voltage, the
rear window defroster automatically turns itself
back on.
190 Controls in detail
4-zone automatic climate control
USA only
1Air distribution, driver’s side
2Front window defroster
3Temperature rocker switch, driver’s
side
4Display
5Temperature rocker switch,
passenger side
6Rear window defroster
7Air distribution, passenger side
8Air distribution and air volume, pas-
senger side (automatic, manual)
9AC cooling on/off
aRear air-conditioning remote control
bIncreasing air volume
cClimate control on/off
dDecreasing air volume
eMAX COOL on/off
fAir recirculation
gAir distribution and air volume, driv-
er’s side (automatic, manual)