103 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
switch. This can be useful, for example, if
you want to lock the vehicle before starting
to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking switch.The switches are located in the center con-
sole.
Central locking/unlocking switches1Locking
2Unlocking
Locking
Press central locking switch1.
If both doors are closed, the vehicle
locks.Unlocking
Press central unlocking switch2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
KEYLESS-GO* card (if so equipped) with you
and lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment may cause an accident
and/or serious personal injury.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked with the SmartKey or the
KEYLESS-GO* card (if so equipped) it
will not unlock using the central locking
switch.
If the vehicle was previously locked
with the central locking switch:
While in the global remote control
mode, the vehicle is unlocked com-
pletely when a door is opened from
the inside.
While in the selective remote con-
trol mode, only the door opened
from inside is unlocked.
115 Controls in detailSeats
Power seat, setting passenger seat po-
sition from rear*
This function lets you adjust the position of
the passenger seat from the rear.The switch is located on the right rear pas-
senger door.
1Front passenger seat adjustment
2Rear seat adjustment
3Seat height
4Head restraint height
5Backrest tilt
6Seat fore and aft adjustment
Make sure the ignition is switched on.
or
Open the right rear passenger door.
Press button1 to adjust the front
passenger seat.
Warning!
G
When adjusting the passenger seat, make
sure that the seat, if occupied, is as far from
the front passenger airbag as possible.
Otherwise, the passenger could be seriously
or even fatally injured in the event of an ac-
cident or braking maneuver.
Make sure that no one is caught or injured
while the seat is being adjusted.
The power seats can also be operated with
the driver's or passenger door open. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury
iAdjusting the passenger seat position
from the rear is not possible if you de-
activate the operation of the rear door
windows (
page 74).
!Do not move the front passenger seat
completely forward if objects are
stored in the parcel net in the front pas-
senger-side footwell. Items in the net
may be damaged
156 Controls in detailControl systemSetting key dependency
Use this function to set whether the mem-
ory settings for the seats, the steering
wheel, the mirrors, and the automatic cli-
mate control should be stored separately
for each SmartKey (
page 117).
Move the selection marker with
the
æ
or
ç
button to
the
CONVENIENCE
submenu.
Press button
j
or
k
repeatedly
until you see this message in the dis-
play:
SETTINGS KEY-DEPENDENT
.
The selection marker is on the current
setting.
Press
æ
or
ç
to set key depen-
dency to
ON or
OFF
. Activating easy-entry/exit feature
Use this function to activate and deacti-
vate the easy-entry/exit feature. When the
feature is activated, the steering wheel and
driver’s seat will move back to facilitate ex-
iting when you:
remove the SmartKey from the starter
switch
open the driver’s door
However, the engine must be turned off.
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving
steering wheel and the driver’s seat when
the easy-entry/exit feature is in operation
and the driver’s door is being opened or the
SmartKey is removed from the starter
switch.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
164 Controls in detailAutomatic transmission
Program mode selector switch
1Program mode selector switch
S Sport For standard driving
C Comfort For comfort driving
Press the program mode selector
switch repeatedly until the letter of the
desired shift program appears in the ta-
chometer display field (
page 130).
Select C for comfort driving:
The vehicle starts out in second
gear (both forward and reverse) for
gentler starts. This does not apply if
full throttle is applied or gear
range1 is selected.
Traction and driving stability are im-
proved on icy roads.
Upshifts occur earlier even when
you give more gas. The engine then
operates at lower rpms and the
wheels are less likely to spin.
The power transmission ratio for se-
lector lever positionR changes de-
pending on the program mode
selected (C or S).
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
KEYLESS-GO* card (if so equipped) with you
and lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Children could move
the selector lever from positionP, which
could result in an accident and/or serious
personal injury.
!Never change the program mode when
the selector lever is out of positionP.
This could result in a change of driving
characteristics for which you may not
be prepared.
173 Controls in detail
Good visibility
Rear window sunshade*
The switch is located in the center console.
Turn the SmartKey to starter switch po-
sition 1 or 2.
Vehicles with KEYLESS-GO*: press the
start/stop button once or twice.
Press the switch briefly at 1 to raise the
sunshade.
Press the switch briefly at 1 to lower
the sunshade.
Always raise the sunshade fully for its sup-
port against the window frame.
Rear door window sunshade*
To raise sunshade pull on the tab and
engage in holder.
To lower sunshade disengage tab and
guide retraction.
Warning!
G
When operating the rear window sunshade,
b e s u r e t h a t t h e r e i s n o d a n g e r o f a n y o n e b e -
ing harmed by the raising or lowering proce-
dure.
The raising or lowering procedure can be im-
mediately reversed by pressing switch1.Warning!
G
When leaving the vehicle, always remove the
SmartKey from starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment can cause an accident and/or serious
personal injury.
!Always guide the sunshade. Do not let
it snap back abruptly, as the retractor
could be damaged.
234 Controls in detailUseful features
1Rear door lighters
Turn SmartKey in the starter switch to
position1 or2.
Lightly touch the back of the ashtray to
open it (
page 233).
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
KEYLESS-GO* card (if so equipped) with you
and lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment may cause an accident
and/or serious personal injury.iThe lighter socket can be used to ac-
commodate electrical accessories up
to a maximum 85 W.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
To avoid possible injury to children sitting in
the rear seat, deactivate the operation of
the rear door windows, see (
page 74). De-
activation of the rear windows also deacti-
vates the lighters.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
KEYLESS-GO* card (if so equipped) with you
and lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. Unsupervised use of
vehicle equipment may cause an accident
and/or serious personal injury.
328 Practical hintsUnlocking/locking in an emergencyChanging batteries
If the batteries in the SmartKey or the
KEYLESS-GO* card are discharged, the ve-
hicle can no longer be locked or unlocked.
It is recommended to have the batteries re-
placed at an authorized Mercedes-Benz
Center.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1.
Insert the mechanical key in side open-
ing and push gray slide.
The battery compartment is unlatched.
Pull the battery compartment out of the
SmartKey housing in direction of ar-
row.
Remove the batteries.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any authorized
Mercedes-Benz Center.
381 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM
airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the front passenger-side airbag when
such a seat is properly installed (indica-
tor lamp PASSENGER AIRBAG OFF in
the center console lights up). See your
authorized Mercedes-Benz Center for
availability.BabySmart
TM
compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the front
passenger-side airbag if a
BabySmartTM compatible child seat is
installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-xenon headlamps produce low beam
and high beam.CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.