
4ETS (Electronic Traction System)
iObserve the "Important safety notes" sec-
tion (Ypage 57).
4ET Straction contro lispart of ESP
®.
4ET Straction contro lisnolonger activ eabove a
speed of approximately 37 mph (60 km/h).
Traction contro lbrakes the drive wheels indi-
vidually if they spin. This enables you to pull
away and accelerate on slippery surfaces,f or
example if the road surface is slippery on one
side. In addition, more drive torque is transfer-
red to the wheel or wheels with traction.
Traction contro lremains active, even if you
deactivate ESP
®.
Importan tsafetyn otes
iObserve the "Important safety notes" sec-
tion (Ypage 57).
GWARNING
If ESP
®is malfunctioning, ESP®is unable to
stabilize the vehicle. Additionally, further driv-
ing safety systems are deactivated. This
increases the risk of skiddin gand an accident.
Driv eonc arefully. Have ESP
®checked at a
qualified specialist workshop.
!Only operate the vehicle for amaximum of
ten seconds on abrake test dynamometer.
Switc hoff the ignition.
Application of the brakes by ESP
®may oth-
erwise destroy the brake system.
!Af unction or performanc etest should only
be carried out on atwo-axle dynamometer.
Beforey ou operate the vehicle on such a
dynamometer, please consult aqualified
workshop. You could otherwise damage the
drive train or the brake system.
If the å ESP
®OFF warning lamp lights up
continuously, ESP®is deactivated.
If the ÷ ESP®warning lamp lights up contin-
uously, ESP®is not available due to amalfunc-
tion.
Observe the information on warning lamps
(
Ypage 191) and display messages which may
be displayed in the instrument cluster
(
Ypage 171). Only use wheels with the recommended tire
sizes. Only then will ESP
®function properly.
If differential locksa re switched on, ABS, BAS
and ESP
®switc hoff automatically.
Characteristics of ESP®
Genera linformation
If the ÷ ESP®warning lamp goes out before
beginning the journey, ESP®is automatically
active.
If ESP
®intervenes, the ÷ESP®warning lamp
flashes in the instrument cluster.
If ESP
®intervenes:
XDo not deactivate ESP®under any circum-
stances.
XOnly depress the accelerator pedal as far as
necessary when pulling away.
XAdapt your drivings tyle to suit the prevailing
road and weather conditions.
ECO start/stop function
The ECO start/stop function switches the
engin eoff automatically when the vehicle stops
moving. The engin estart sautomatically when
the driver wants to pull away again. ESP
®
remains in its previously selected status, e.g. if
ESP®was deactivated before the engin ewas
automatically switched off.
Deactivating/activating ESP®
Important safetyn otes
iObservethe "Important safety notes" sec-
tion (Ypage 57).
You can select between the following states of
ESP
®:
RESP®is activated.
RESP®is deactivated.
GWARNING
If you deactivate ESP
®,E SP®no longer sta-
bilizes the vehicle. There is an increased risk
of skiddin gand an accident.
Only deactivate ESP
®in the situation sdescri-
bed in the following.
Driving safetys ystems59
Safety
Z

EBD (electronic brakeforce distribu-
tion)
General information
EB Dm onitors and controls th ebrak epressure
on th erear wheels to improve driving stability
while braking.
Important safety notes
iObserv ethe "Important safety notes" sec-
tio n(Ypage 57).
GWARNING
If EB Dism alfunctioning, th erear wheels can
lock, e.g .unde rfull braking .This increases the
risk of skiddinga nd an accident.
You should therefore adapt your driving style
to th edifferenth andlingcharacteristics .Have
th eb rak esystem checked at aqualified spe-
cialist workshop.
Observ einformatio nregardin gindicator and
warning lamps (
Ypage 190) as well as display
messages (Ypage 172).
ADAPTIV EBRAKE
ADAPTIVEB RAKE provide sincreased braking
safety. In addition to th ebraking function,
ADAPTIVEB RAKE also has th eHOLDf unction
(
Ypage 139) and hill start assist(Ypage 127).
Protection against theft
Immobilizer
The immobilizer prevent syour vehicle from
beings tarted without th ecorrec tSma rtKey.
XTo activate: remove theSmartKey from the
ignition lock.
XTo deactivate: switch on theignition.
When leavin gthe vehicle ,always tak ethe
SmartKey with you and lockt hevehicle .The
engine can be started by anyon ewithavalid
SmartKey that is left inside th evehicle.
iThe immobilizer is always deactivate dwhen
you start th eengine. In th
eeven ttha tthe engine canno tbestarted
(yet th evehicle's battery is charged), th esys-
te misn otoperational. Contac tanauthorized
Mercedes-Ben zCenter or call
1-800-FOR-MERCedes (in th eUSA)or
1-800-387-0100 (in Canada).
ATA (anti-thef talarm system)
XTo arm: lockthevehicle with th eSmartKey.
Indicato rlamp :flashes. The alarm system
is armed after approximately 15 seconds.
XTo disarm: unlock thevehicle with th eSma rt-
Key.
iIf you then do no topen aside door or the
rear door,t healarm system switches back on
again after approximately 40 seconds.
Av isual and audible alarm is triggered if the
alarm system is armed and you open:
Rad oor
Rthev ehicle with th emechanical key
Rther ear door
Rtheh ood
The alarm is also triggered if:
Rth ep osition of th evehicle is changed.
Raw indow is smashed.
The alarm is no tswitched off ,even if you close
th eo pen door that triggered it, for example.
XTo stop th ealarm: pressthe % or&
butto nont heSmartKey.
The alarm is stopped.
or
XInsertt heSmartKey int othe ignition lock.
The alarm is stopped.
iIf th ealarm continues for mor ethan
30 seconds, th embrace emergency call sys-
te ma utomaticall ynotifies th eCustomer
Protection against theft61
Safety
Z

SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is arisk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GWARNING
If you attach heavy or large object stothe
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a risk of an accident.
Do not attach any heavy or large object stothe
SmartKey. Remove any bulky key rings before
insertingt he SmartKey into the ignition lock.
!Keep the SmartKey away from stron gmag-
netic fields. Otherwise, the remote control
function could be affected.
Strong magnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. amobile phone
or another SmartKey.
Rwith metallic objects, e.g. coins or metal foil.
Rinside metallic objects, e.g. ametal case.
This can affect the functionality of the Smart- Key. Ac
heck which periodically establishes aradio
connection between the vehicle and the Smart-
Key determines whether avalid SmartKey is in
the vehicle. This occurs, for example:
Rwhen startin gthe engine
Rwhile driving
SmartKey functions
:& Locks the vehicle
;%Unlockst he vehicle
The SmartKey centrally locks/unlocks:
Rthe doors
Rthe rear door
Rthe fuel filler flap
XTo unlock centrally: press the%button.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Rprotection against theft is reactivated.
XTo lock centrally: press the&button.
The turn signals flash once when unlocking and
three times when locking.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (
Ypage 166).
You will receive visual and acoustic locking con-
firmation if all components were able to be
locked.
When the surround lighting is activated via the
on-board computer, it lights up when it is dark
after the vehicle is unlocked with the SmartKey (
Ypage 165).
SmartKey63
Opening and closing
Z

Changing thesettings of th elocking
system
You can chang ethe settings of th elockin gsys-
tem. This mean sthato nlyt he driver'sd oor and
th ef uel fille rflap are unlocked when th evehicle
is unlocked. This is useful if you frequently travel
alone.
XTo change th esetting: pressand hold down
the % and& buttons simultaneously
for approximately six seconds until th ebat-
tery check lamp (
Ypage 65 )flashes twice.
If th esettin goft helockin gsystem is changed
within th esignal range of th evehicle ,pressing
the & or% button:
Rlocks or
Runlock sthe vehicle
The SmartKey no wfunctionsasf ollows:
XTo unlock th edriver's door and fuel filler
flap: pressthe % buttononce.
XTo unlock centrally: pressthe % button
twice.
XTo lock centrally: pressthe & button.
XTo restor ethe factor ysettings: pressand
hold the %and& buttons simultane-
ously for approximately six seconds until the
battery check lamp (
Ypage 65) flashes
twice.
Mechanica lkey
General notes
If th evehicle can no longer be unlocked witht he
SmartKey, use th emechanical key.
If you use th emechanical ke ytou nlock and
open th edriver'sd oor,theanti-thefta larm sys-
te mw ill be triggered. Switch off th ealarm
(
Ypage 61).
If you unlock th evehicle usingt hemechanical
key, th efuel fille rflap will no tbeunlocked auto-
matically.
XTo unlock th efuelfille rflap: insert the
SmartKey int othe ignition lock.
Removing th emechanica lkey
XPush release catch :in th edirection of the
arrow and at th esame tim eremove mechan-
ical key ;from th eSmartKey.
Further informatio nonlocking/unlockin gthe
driver'sd oor (
Ypage 68).
Insertingthe mechanica lkey
XPush mechanical key ;completely int othe
SmartKey until it engages and release
catch :is back in its basic position.
SmartKey battery
Important safety notes
GWARNING
Batteries contain toxic and corrosive substan- ces .Ifb atteries are swallowed, it can result in
severe healthp roblems. Thereisar iskoff atal
injury.
Keep batteries out of th ereac hofc hildren. If
ab attery is swallowed, seek medical attention
immediately.
HEnvironmental note
Batteries contain dangerous
substances. It is against the
law to dispose of them with
th eh ouseholdr ubbish. They
must be collecte dseparately
64SmartKey
Opening and closing

XTo deactivate:press and holdbutton :for
approximatelyf ives econds unti latone
sounds.
XTo activate: press and hol dbutton ;for
approximatelyf ives econds unti latone
sounds.
If yo upress one of the two buttons and do not
hea rat one, the relevant setting hasa lready
been selected.
The vehicl eislocked automaticall ywhent he
ignition is switched on and the wheels are turn-
ing.
Yo uc ould therefore be locked outi f:
Rthe vehicleisbeing pushed.
Rthe vehicl eisbeing towed.
Rthe vehicl eisbeing teste donadynamometer.
Yo uc an also switch the automatic locking func-
tio nona nd off using the on-board computer
(
Ypage 166).
Locking/unlockin gthe driver's door
with the mechanical key
XInsert the mechanical key into the lock of the driver's door as far as it will go.
XTo unlock: turn the mechanical key counter-
clockwise as far as it will go to position 1.
XTo lock:turn the mechanical key clockwise as
far as it will go to position 2.
If yo uusethe mechanical key to unlock and
open the driver's door, the anti-thef talarm sys-
tem will be triggered .Switch off the alarm
(
Ypage 61).
Rear door
Important safety notes
GWARNING
Combustio nengines emi tpoison ouse xhaust
gases such as carbo nmonoxide. If the rear
door is open when the engine is running ,par-
ticularly if the vehicl eismoving, exhaust
fumes could enter the passenger compart-
ment. There is ariskofp oisoning .
Turn off the engine before opening the rear
door. Never drive with the reard ooro pen.
GWARNING
If objects, luggage or load sare not secured or
not secured sufficiently ,they could slip ,tip
overorbef lung around and thereb yhitvehicle
occupants. There is ariskofi njury,p articu-
larly in the event of sudden braking or asud-
de nc hange in direction.
Alway sstoreo bjects so thatt hey cannotbe
flung around .Secure objects, luggage or
load sagain st slipping or tipping before the
journey.
!The tailgate swing soutto the side when
opened. Therefore, make sure thatt hereis
sufficient clearance.
Do not leave the SmartKey in the cargo com-
partment. Otherwise, yo ucould lock yourself
out.
Yo us houl dpreferabl yplace luggage or load sin
the cargo compartment. Observe the loading
guideline s(
Ypage 204).
Opening
The tailgate must be unlockedb efore it can be
opened.
XPress the %button on the SmartKey.
68Rear door
Opening and closing

XPress release button:and pull door han-
dle ;.
XOpen the rear door.
Closing
XPush the tailgate closed from outside the
vehicle.
XLock the vehicle with the &button on the
SmartKey.
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
could become trapped between the side win-
dow and the door frame as the side window
moves. There is arisk of injury.
Make sure that nobody touches the side win-
dow during the opening procedure. If some-
body becomes trapped, release the switch or
pull the switch to close the side window again.
GWARNING
While closing the side windows, body parts in
the closing area could become trapped. There is ar isk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or press
the switch to open the side window again.
GWARNING
If children operate the side windows they
could become trapped, particularly if they are left unsupervised. There is arisk of injury.
Activate the override feature for the rear side
windows. When leaving the vehicle, always
take the SmartKey with you and lock the vehi-
cle. Never leave children unsupervised in the
vehicle.
Opening and closing the side win-
dows
The switches for all side windows are located on
the driver's door. There is also aswitch on each
door for the corresponding side window.
The switches on the driver's door take prece-
dence.
:Frontl eft
;Frontr ight
=Rear right
?Rear left
XTurn the SmartKey to position 1or2 in the
ignition lock.
XTo open manually: press and hold the cor-
respondings witch.
XTo open automatically: press the corre-
sponding switch beyond the point of resist-
ance and release it.
Automatic operation is started.
XTo interrupt automatic operation: press/
pull the corresponding switch again.
XTo close manually: pull the corresponding
switch and hold it.
You can continue to operate the side windows
after you switch off the engine or remove the
Side windows69
Opening and closing
Z

Opening and closing the sliding sun-
roof
:To raise
;To open
=To close/lower
XTurn the SmartKey to position1or2 in the
ignition lock.
XPress or pull the ¡switch in the corre-
spondin gdirection.
XTo open automatically: press the
¡ switch briefly beyond the point of resist-
ance in the direction of arrow ;.
The sliding sunroof opens completely.
XTo interrupt automatic operation: press or
pull the ¡switch again.
Automatic operation for opening or raising is
only available when the sliding sunroof is closed.
iThe sliding sunroof cannot be raised when a
roof rack is installed.
Operating the sliding sunroof man-
ually
The actuator motor for the sliding sunroof is
located on the left-hand side of the cargo com-
partment, behind the rear panel trim.
Removing the rear panel trim
XOpen the rear door.
XRemove edge protection :on door pillar in
the direction of arrow ;.
XPull rear panel trim=in the direction of
arrow ?as far as necessary, so that the
electrical connections can be reached.
XDisconnect the electrical connections.
XCompletely remove rear panel trim =.
Opening/closing the sliding sunroof manually
XRemove lug wrenchAfrom the vehicle tool
kit (Ypage 239).
XPlace lug wrench Aontothe hexagon nut of
the actuator motor.
XTo open: turn lug wrench Acounter-clock-
wise.
XTo close: turn lug wrench Aclockwise.
Installing the rear panel trim
XConnec tthe electrical connections.
XInser trear panel trim =.
Hook tabs Cof rear panel trim =into vehi-
cle side wall B.
XInsertedge protection :.
XClose the rear door.
72Sliding sunroof
Opening and closing

Correct driver's seat position
:Steering wheel
;Seat belts
=Backrest
XObservethe safety guideline sonseat adjust-
men t(Ypage 74).
XMakes ure that seat =is adjusted properly.
Electrical seat adjustmen t(
Ypage 76)
When adjusting th eseat,m akes ure that:
Ryou are as far away from th edriver'sa ir bag as
possible
Ryou are sittin ginanormalupright position
Ryou can fasten th eseat belt properly
Ryou have moved th ebackres ttoana lmost
vertical position
Ryou have set th eseat cushion angle so that
your thighs are gently supported
Ryou can depress th epedals properly
XCheckw hether th ehead restraint is adjusted
properl y(Ypage 76).
When doings o, makesure that you have
adjusted th ehead restraint so that th eback of
your head is supported at eye leve lbythe
cente rofthehead restraint.
XObserv ethe safety guideline sonsteering
wheel adjustmen t(Ypage 74).
XMakesure that steering wheel :is adjusted
properly.
Adjusting th esteering wheel electrically
(
Ypage 80). When adjusting th
esteering wheel,m akes ure
that:
Ryou can hold th esteering wheel withy our
arm sslightly bent
Ryou can mov eyour legs freely
Ryou can see all th edisplays in th einstrument
cluste rclearly
XObserv ethe safety guideline sfor seat belts
(Ypage 40).
XCheckw hether you have fastened seat
belt ;properl y(Ypage 41).
The seat belt should:
Rfit snugly across your body
Rbe routed across th emiddle of your shoulder
Rbe routed across your hips in th epelvic area
XBefore starting off ,adjust th erear-view mirror
and th eexteri or mirror sinsuchaw ay that you
have agood view of road and traffic condi-
tions (
Ypage 81).
XVehicles with amemory function: save the
seat,s teering wheel and exterior mirror set-
tings witht hememory function (
Ypage 83).
Seats
Important safety notes
GWARNING
Children coul dbecome trapped if they adjust
th es eats, particularly when unattended.
Thereisar iskofi njury.
When leaving th evehicle ,always tak ethe
SmartKey withy ou and lockthevehicle .Never
leave childre nunsupervised in th evehicle.
The seatsc an still be adjusted when there is no
SmartKey in th eignition lock.
GWARNING
When you adjust aseat,y ou or other vehicle
occupants coul dbecome trapped, e.g .onthe
seat guide rail. Thereisar iskofi njury.
Makes ure when adjusting aseat that no one
has any body part sinthesweep of th eseat.
Observ ethe safety note son"Air bags"
(
Ypage 43 )and "Children in th evehicle"
(Ypage 49).
74Seats
Seats, steerin gwheel and mirrors