
switched off or is not operational due to a
malfunction. Vehicle stability in standard
driving maneuvers is reduced.
Adapt your speed and driving to the prevailing
road conditions and to the non-operating
status of the ESP®.
! Avoid spinning of a drive wheel for an
extended period with the ESP® switched
off. This may cause serious damage to the
drivetrain which is not covered by the
Mercedes-Benz Limited Warranty.
Switching on the ESP®
XPress ESP® switch : until the ESP®
warning lamp d in the instrument
cluster goes out.
You are now again in normal driving mode
with the ESP® switched on.
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
Activating
XRemove the SmartKey from the starter
switch.
Deactivating
XSwitch on the ignition.
iStarting the engine will also deactivate
the immobilizer.
In the event that the engine cannot be
started (yet the vehicle’s battery is
charged), the system is not operational.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
Ra door
Rthe tailgate
Rthe hood
The alarm will stay on even if the activating
element (a door, for example) is immediately
closed.
The alarm system will also be triggered when
Rthe vehicle is opened with the mechanical
key
Ra door is opened from the inside
Rthe tailgate is opened from the inside
To cancel the alarm after it has been
triggered, see “Canceling the alarm”
(Y page 55).
XArming: Lock the vehicle with the
SmartKey.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
iIf the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
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TailgateGWarning!
Make sure the tailgate is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter vehicle interior resulting in
unconsciousness and death.
GWarning!
The tailgate swings open to one side. Always
make sure there is sufficient clearance for the
tailgate.
Make sure the tailgate is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter vehicle interior resulting in
unconsciousness and death.
Opening the tailgate from the outside
XUnlock the vehicle (Y page 58).XPress lock cylinder : and pull on
handle ;.
XOpen the tailgate to the side.
Closing the tailgate from the outside
GObserve Safety notes, see page 44.GWarning!
To prevent possible personal injury, always
keep hands and fingers away from the cargo
compartment opening when closing the
tailgate. Be especially careful when small
children are around.
To prevent an inadvertent lockout, do not
place the SmartKey in the cargo
compartment.
Opening the tailgate from the inside
XPull on inside door handle ;.
If the door was locked:
XPull up locking knob :.XPull on inside door handle ;.
Separately locking and unlocking the
tailgate
To deny any unauthorized person access to
the tailgate, lock it separately with the
mechanical key.
XLocking: Close the tailgate.XRemove the mechanical key from the
SmartKey (Y page 221).
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XInsert the mechanical key in the lock
cylinder.
XTurn the mechanical key clockwise to
position 2 and remove the mechanical
key in that position to lock the tailgate.
The tailgate remains locked even when the
vehicle is centrally unlocked.
You can only cancel the separate tailgate
locking mode by means of the mechanical
key.
XUnlocking: Remove the mechanical key
from the SmartKey (Y page 221).
XInsert the mechanical key in the lock
cylinder.
XTurn the mechanical key counterclockwise
to neutral position 1 and remove the
mechanical key in that position to unlock
the tailgate.
You can now open the tailgate.
Starter switch positions
SmartKey
GObserve Safety notes, see page 44.
Starter switch
gFor removing SmartKey (gear selector
lever must be in park position P)
1Power supply for some electrical
consumers, e.g. radio
2Ignition (power supply for all electrical
consumers) and driving position
3Starting positionWhen you switch on the ignition, all lamps
(except low-beam headlamp indicator lamp,
high-beam headlamp indicator lamp, and turn
signal indicator lamps unless activated) in the
instrument cluster come on. If a lamp in the
instrument cluster fails to come on when the
ignition is switched on, have it checked and
replaced if necessary. If a lamp in the
instrument cluster remains on after starting
the engine or comes on while driving, refer to
“Lamps in instrument cluster” (Y page 213).
If the SmartKey is left in starter switch
position 0 for an extended period of time, it
can no longer be turned in the starter switch.
In this case, the steering is locked. To unlock,
remove SmartKey from the starter switch and
reinsert.
The steering is locked when the SmartKey is
removed from the starter switch.
! If the SmartKey cannot be turned in the
starter switch, the vehicle battery may not
be sufficiently charged.
RCheck the vehicle battery and charge it
if necessary.
RGet a jump start.
Always remove the SmartKey from the
starter switch when the engine is not in
operation. This will help to prevent
accelerated vehicle battery discharge or a
completely discharged vehicle battery.
Seats
Safety notes
GWarning!
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel, and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before the vehicle is put into motion.
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XSwitch on the ignition.
or
XOpen the respective door.XSeat fore and aft adjustment: Press the
switch forward or backward in direction of
arrow =.
XSeat backrest tilt: Press the switch
forward or backward in direction of
arrow ;.
XSeat height: Press the switch up or down
in direction of arrow A.
XSeat cushion tilt: Press the switch up or
down in direction of arrow ? until your
upper legs are lightly supported.
XHead restraint height: Press the switch
up or down in direction of arrow :.
Head restraint fore and aft adjustment
XAdjust the head restraint to the desired
position by pushing or pulling on the upper
edge of the head restraint cushion.
Removing and installing front seat head
restraints
iTilt the seat backrest rearward for easier
removal and installation of the head
restraints.
XRemoving: Press switch : upwards and
hold until the head restraint is fully
extended.
XPull out the head restraint with both hands.XInstalling: Press switch : upwards and
hold for about 5 seconds.
XInsert the head restraint into openings on
the seat backrest.
iThe guide bar with the detent must be on
the left.
XPush the head restraint down until it
engages.
XAdjust the head restraint to the desired
position.
Rear seat head restraints
GWarning!
For safety reasons, always drive with the rear
head restraints in the upright position when
the rear seats are occupied.
Keep the area around head restraints clear of
articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
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GWarning!
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint in such a way that it
is as close to the head as possible and the
center of the head restraint supports the back
of the head at eye level. This will reduce the
potential for injury to the head and neck in the
event of an accident or similar situation.
With a rear seat occupied, make sure to move
the respective head restraint up from the
lowest non-use position and have the
occupant adjust the head restraint properly.
Do not drive the vehicle without the seat head
restraints installed when the rear seats are
occupied. Head restraints are intended to
help reduce injuries during an accident.
Rear seat head restraint height
adjustment
XRaising: Pull head restraint upward to the
desired position.
XLowering: Push head restraint downward
to the desired position.
Rear seat head restraints, removing
and installing
XRemoving: Pull out the head restraint with
both hands.
iThe head restraint(s) should be stored in
a secure place.
XInstalling: Insert the head restraint into
openings on the seat backrest.
XPush the head restraint down to the stop.XAdjust the head restraint to the desired
position.
Multicontour seat
The multicontour seat has a movable seat
cushion and inflatable air cushions built into
the seat backrest to provide additional
lumbar and side support.
The seat cushion depth, seat backrest
cushion-height and curvature can be
continuously varied with switches on the
inside of each front seat when the ignition is
switched on.
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If one or more of the indicator lamps in
respective seat heating button : are
flashing, there is insufficient voltage available
since too many electrical consumers are
turned on. The seat heating switches off
automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
Rear seat heating
:Normal heating;Rapid heating
The red indicator lamps in the switch come
on to show which heating level you have
selected.
The seat heating switches from level 2 (rapid
seat heating) to level 1 (normal seat heating)
after approximately 5 minutes.
The seat heating switches off automatically
from level 1 after approximately 30 minutes.
XSwitch on the ignition.XSwitching on seat heating: Press upper
switch position :.
A red indicator lamp in the switch comes
on.
XSwitching off seat heating: Press upper
switch position : once more.
XSwitching on rapid seat heating: Press
lower switch position ;.
Both red indicator lamps in the switch
come on.
XSwitching off rapid seat heating: Press
lower switch position ; once more.
If one or both of the indicator lamps in the
seat heating switch are flashing, there is
insufficient voltage available since too many
electrical consumers are turned on. The seat
heating switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
Multifunction steering wheel
Safety notes
GWarning!
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The steering wheel adjustment feature can be
operated when the driver’s door is open.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
Make sure
Ryou can reach the steering wheel with your
arms slightly bent at the elbows
Ryou can move your legs freely
Rall displays (including malfunction and
indicator lamps) on the instrument cluster
are clearly visible
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Steering wheel adjustmentXSwitch on the ignition.
or
XOpen the driver’s door.XAdjusting steering wheel in or out: Move
stalk in direction of arrows :.
XAdjusting steering wheel up or down:
Move stalk in direction of arrows ;.
iThe memory function (Y page 70) lets
you store the settings for the steering
wheel together with the settings for the
seat position and the exterior rear view
mirrors.
Easy-entry/exit feature
This feature allows the driver an easier entry
into and exit from the vehicle. When entering
and exiting the vehicle, the steering wheel is
in its uppermost position.
The easy-entry/exit feature can be activated
or deactivated in the Convenience submenu
of the control system (Y page 108).
GWarning!
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement do one of
the following:
RMove steering wheel adjustment stalk.
RPress one of the memory position buttons.
RPress the memory button.
Do not leave children unattended in the
vehicle, 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.
With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you close the driver’s door with
the ignition switched on. The steering wheel
will also return to its last set position when
you insert the SmartKey into the starter
switch with the driver’s door closed.
iThe last set steering wheel position is
stored when the ignition is switched off or
the position is stored in memory
(Y page 71).
With the easy-entry/exit feature activated,
the steering wheel tilts upwards when you
remove the SmartKey from the starter switch.
The steering wheel also tilts upwards when
you open the driver’s door with the SmartKey
in starter switch position 0 or 1.
iWhen the current position for the steering
wheel is in the uppermost tilt position, the
steering wheel will no longer be able to
move upward when the easy-entry/exit
feature is activated.
The adjustment procedure is briefly
interrupted when the engine is started.
GWarning!
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
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still adjusting could cause the driver to lose
control of the vehicle.
Heated steering wheel
The steering wheel heating warms up the
leather area of the steering wheel.
XSwitch on the ignition.XSwitching on: Turn switch at the tip of the
stalk in direction of arrow :.
Indicator lamp = comes on.
iThe steering wheel heating may be
suspended temporarily. However, indicator
lamp = remains on. The steering wheel
heating is suspended when the
temperature of the vehicle interior is above
86‡ (30†). It is also suspended when the
temperature of the steering wheel is above
95‡ (35†).
When these conditions do not apply
anymore, steering wheel heating
continues.
XSwitching off: Turn switch at the tip of
stalk in direction of arrow ;.
Indicator lamp = goes out.
iIndicator lamp = flashes or goes out in
case of power surge or undervoltage or if
the steering wheel heating malfunctions.
iThe steering wheel heating switches off
automatically when you remove the
SmartKey from the starter switch.
For more information on the steering wheel,
see “Multifunction steering wheel”
(Y page 97).
Mirrors
Notes
Adjust the interior and exterior rear view
mirrors before driving so that you have a good
view of the road and traffic conditions.
Interior rear view mirror
XAdjust the interior rear view mirror
manually.
Exterior rear view mirrors
GWarning!
Exercise care when using the passenger-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 interior
rear view mirror and glance over your
shoulder before changing lanes.
XSwitch on the ignition.XPress button = for the driver’s side
exterior rear view mirror or button ; for
the passenger-side exterior rear view
mirror.
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