Page 38 of 491
37 Getting started
Unlocking
For information on starting the engine us-
ing the KEYLESS-GO start/stop button,
see “Starting with KEYLESS-GO*”
(page 48).iWhen you switch on the ignition, the in-
dicator and warning lamps (expect low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. This indicates that the respective
systems are operational. The indicator
and warning lamps (expect low beam
headlamp indicator lamp, high beam
headlamp indicator lamp, and turn sig-
nal indicator lamps if activated) should
go out when the engine is running.
Page 50 of 491

49 Getting started
Driving
Starting difficulties
If the engine does not start as described,
carry out the following steps:
If you are starting the engine with the
SmartKey, turn SmartKey in starter
switch to position0 and repeat starting
procedure.
If you are starting the engine with
KEYLESS-GO: Close any doors that
may be open to allow for better detec-
tion of the SmartKey with
KEYLESS-GO.
Or:
Start the engine with the SmartKey as
radio signals from another source may
be interfering with the SmartKey with
KEYLESS-GO.
Repeat the starting procedure
(page 47). Remember that extended
starting attempts can drain the battery.
Get a jump start (
page 428).If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.
Notify an authorized Mercedes-Benz
Center.
Parking brake
1Parking brake pedal
2Release handle
Release the parking brake by pulling on
release handle2.
The warning lamp ; (USA only) or
3 (Canada only) in the instrument
cluster goes out.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. Children
could release the parking brake, which
could result in an accident and/or serious
injury.
Page 52 of 491
51 Getting started
Driving
Switching on headlamps
Low beam headlamps
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.Exterior lamp switch1Off
2Low beam headlamps on
Turn exterior lamp switch to
positionB.
The low beam headlamp indicator
lampB in the instrument cluster
comes on (
page 141).High beam
The combination switch is located on the
left of the steering column.
Combination switch1High beam
2High beam flasher
Turn combination switch in direction of
arrow1.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
For more information on headlamps, see
“Lighting” (
page 141).
Turn signals
The combination switch is located on the
left of the steering column.Combination switch1Turn signal, right
2Turn signal, left
Press combination switch in direction
of arrow1 or2.
The corresponding turn signal indicator
lamp L or K in the instrument
cluster flashes.
Page 53 of 491
52 Getting startedDrivingThe combination switch resets automati-
cally after major steering wheel move-
ments.
Windshield wipers
The combination switch is located on the
left of the steering column.Combination switch1Single wipe
2Switching on windshield wipers
Switch on the ignition (
page 34).Switching on windshield wipers
Turn the combination switch to the de-
sired position depending on the inten-
sity of the rain.
0Windshield wipers off
IIntermittent wiping
IINormal wiper speed
IIIFast wiper speed
iTo signal minor directional changes
such as changing lanes, press combi-
nation switch only to point of resis-
tance and release. The corresponding
turn signals will flash three times.
iIntermittent wiping interval is depen-
dent on wetness of windshield. After
the initial wipe, pauses between wipes
are automatically controlled by the rain
sensor.
Page 59 of 491

58 Getting startedParking and locking
After exiting the vehicle press the lock
button‹ on the SmartKey
(page 32).
All turn signal lamps flash three
times.
An acoustic signal sounds three
times (if equipped and feature acti-
vated).
For more information, see “Factory
setting” (
page 104).
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.For more information, see the “Controls in
detail” section (
page 102).
iWith the SmartKey removed and the
driver’s door open, a warning sounds
and the message
Switch off lights
appears in the multifunction display if
the vehicle’s exterior lamps are not
switched off.Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.
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. Unsuper-
vised use of vehicle may cause an accident
and/or serious personal injury.
Page 60 of 491

59 Getting started
Parking and locking
Turning off with KEYLESS-GO*
Place the gear selector lever inP.
Press the KEYLESS-GO start/stop but-
ton to shut off the engine.
With the driver's door closed, the start-
er switch is now in position1. With the
driver’s door opened, the starter switch
is set to position0, same as SmartKey
removed from starter switch
(page 34).
Press the seat belt release button
(page 45).
Allow the retractor to completely re-
wind the seat belt by guiding the latch
plate.
!If you hear a warning signal, you have
either
forgotten to switch off the vehicle’s
exterior lamps before opening the
driver’s door,
or
tried to turn off the engine while the
gear selector lever is not inP.
Turn off the lights or place the gear se-
lector lever inP.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.
Page 61 of 491
60 Getting startedParking and locking1Lock button on the door handle
After exiting the vehicle, press lock
button1 on the door handle or on the
tailgate.
All turn signal lamps flash three
times.
An acoustic signal sounds three
times (if equipped and feature acti-
vated).
For more information, see “Factory
setting” (
page 110).
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.For more information, see the “Controls in
detail” section (
page 107).
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. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
Page 99 of 491

98 Safety and SecurityAnti-theft systemsAnti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the tailgate
the hood.
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
The alarm system will also be triggered
when
someone attempts to raise the vehicle.
opening the vehicle with the mechani-
cal key.
someone opens a door from the inside
if the vehicle was locked from the out-
side with the SmartKey or
KEYLESS-GO.Arming the alarm system
The alarm system is armed within approxi-
mately ten seconds after locking the vehi-
cle with the SmartKey or KEYLESS-GO*.
The turn signal lamps flash three times to
indicate that the alarm system is activated.
The indicator lamp in the central locking
switch (
page 27) begins to flash after
arming the alarm system.Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the SmartKey or
KEYLESS-GO*. The turn signal lamps flash
once to indicate that the alarm system is
deactivated.
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system* (
page 269) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the tailgate
Close the respective element and lock
the vehicle again.