Beforeswitching off the engine, always switch
to parking position P.Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
!If the engine is switched off, rolling in neutral
N can damag ethe power transmission and
result in transmission damage.
Alway sobserve the instructions and safety
notes under "Tow starting and towing away"
(
Ypage 264).
Bearinm ind that power transmission between
the engine and the transmission is interrupted
whe nthe engine is switched off. For this reason,
shift the automatic transmission to Pbefore the
engine is switched off and with the vehicle is
stationary. Appl ythe parking brake to prevent
the vehicle from rolling away.
DIREC TSELECT lever
Overvie wofthe transmissio nshift sys-
tem
jPark positio nwithp arking lock
kReverseg ear
iNeutral
hDrive
The DIREC TSELECT lever is on the right of the
steering column.
The DIREC TSELECT lever always returns to its
origina lposition. The display in the instrument
cluster showst he current transmission position,
namely P,R, Nor D(
Ypage 127).
Selecting transmissio npositions
!If the engine speed is too hig horthe vehicle
is moving, do not shift the automatic trans-
missio ndirectly from Dto R,f rom Rto Dor
directly to P.The automatic transmission
could otherwise be damaged.
!Only shift the automatic transmission to R
whe nthe vehicle is stationary.
XIf park position Pis selected ,depress the
brake pedal to chang ethe transmission posi-
tion.
XDrive positionD :push the DIREC TSELECT
lever dow nbeyond the 1st point of resist-
ance.
XReverse gear R: push the DIRECTSELECT
lever up beyond the 1st point of resistance.
iThe ECO start/stop function is not available
whe nreverse gea risengaged .Further infor-
mation can be found under "EC Ostart/stop
function" (
Ypage 122).
XNeutral N: push the DIREC TSELECT lever up
or dow nasfar as the 1st point of resistance.
iWhe nyou switch off the engine, the auto-
mati ctransmission shifts to Nautomatically.
XPark positionP :press the button of the
DIREC TSELECT lever in the directio nofarrow
P.
Park position Pis engaged automaticall yifyou:
Rremove the key
Rope nthe driver'sd oorwhile the vehicle is sta-
tionary or traveling at very low speeds and the
transmission is in position Dor R
If yo uwantthe automatic transmission to
remain in neutral Nafte ryou switch off the
engine, yo umustleave the key in the ignition
lock. Thisisn ecessa
ry, for example, whe nwash-
i
ng the vehicle in acar wash with aconveyor.
126Automatic transmission
Drivin gand parking
Transmission positions
BPark position
Thisprevents the vehicl efromr olling
away when stopped. Do not shift the
transmission into position Punless
the vehicl eisstationary.
The automatic transmission shifts to P automaticall yifyou:
Rremove the key
Ropen the driver's door whil ethe
vehicl eisstationar yortraveling at
ver ylow speeds and the transmis-
sion is in position Dor R.
The parkin gloc ks houl dnot be used
as ab rake when parking. Always
appl ythe parkin gbrake as well once
yo uh avep arked the vehicle.
CRevers egear
Onlys hift the transmission to Rwhen
the vehicl eisstationary.
ANeutral
No powe ristransmitted fromt he
engine to the drive wheels .Releasi ng
the brakes will allo wyouto mov ethe
vehicl efreely, e.g .byp ushing or tow-
ing.
If ESP
®is deactivated or faulty: shift
the transmission to position Nif the
vehicl eisind angerofs kidding,e.g.
on icy roads.
When yo uswitch off the engine ,the
automatic transmission automati-
cally shifts into neutral N.
!If the engine is switched off ,roll-
ing in neutral Ncan damage the
powe rtransmission and resul tin
transmission damage.
7Drive
The automatic transmission changes
gear itself. All forward gear sareavail-
able.
Yo uc an influence gearshifts with
your choice of transmission program.
Yo uc an also restric tthe shift range.
Transmission position and transmis-
sion program display
:Transmission program
;Current transmission positio nor
current gear in transmission program M
=Shift range,ifrestricted
The transmission positions and current trans-
mission program :ares hown at the bottom of
the instrument cluster display. The current
transmission positio nish ighlighted.
In transmission program M,the transmission
positio nindicator shows the current gear
(
Ypage 130 )inposition D.
If yo urestric tthe shift range ,the transmission
positio nindicator shows the current transmis-
sion positio nplusr estricted shift range =,e.g.
D2 (
Ypage 128).
The arrow sinthe transmission positio ndisplay
sho whow and into which transmission positions
yo uc an change using the DIRECT SELECTl ever.
Changin ggear
The 7-spee dautomatic transmission adapts to
your individual drivin gstyle by continuously
adjusting its shift points .These shift point
adjustments take into account the current oper-
ating and drivin gconditions. If the operating or
drivin gconditions change ,the automatic trans-
mission reacts by adjusting the gearshift pro-
gram.
The 7-spee dautomatic transmission shifts to
the individual gear sautomaticall ywhenitisi n
transmission position D.T hisd epen ds on:
Rthe selecte dtransmission program
(Ypage 129)
Rany restrictio ninthe shift range
(Ypage 128)
Rthe positio nofthe accelerator pedal
Rthe roa dspeed
Yo uc an also change gear manuall yifyouselect
transmission program M(
Ypage 130).
Automati ctransmission127
Driving an dparking
Z
Do not getinto the vehicl eagain durin gthe refu-
eling process. Otherwise, electrostatic charge
could buil dupagain.
HEnvironmental note
If fuel sarehandled improperly, theyp osea
dange rtopersons and the environment. Do
not allo wfuels to runi nto the sewag esystem,
the surface waters ,the ground water or into
the ground.
!Do not switch on the ignition if yo uacciden-
tally refue lwitht he wrong fuel .Otherwise, the
fuel will ente rthe fuel lines .Notify aquali fied
specialis tworkshop and have the fuel tank
and fuel lines draine dcompletely.
!Overfilling the fuel tank could damage the
fuel system.
!Take car enot to spil lany fuel on painted
surfaces .You could otherwis edamag ethe
paintwork.
!Use afilter when refueling fromaf uelcan.
Otherwise, the fuel lines and/or injectio nsys-
tem could be blocke dbyparticle sfromt he
fuel can.
Yo uw illf ind furthe rinformatio nabout fuel and
fuel grade sunder "Service products and capaci-
ties" (
Ypage 296).
Refueling procedure
:Fue lfille rflap
;Fue lfille rcap
=Tire pressure plate (Ypage 270)
?Fue lfille rneck
Fue lfille rflap :is on the left side of the vehicle
behind the front door. It is onl ypossibl etoo pen
fuel fille rflap :when the front door is open.
XRemov ethe key fromt he ignition lock.
XOpen the front left-hand door first, and then
fuel fillerflap :.
XClose al lvehicl edoors to prevent fuel vapors
frome nteringthe vehicl einterior.
XTurn fuel fille rcap ; counter-clockwise,
remove it and le tithangf romt he strap.
XCompletely insert the fille rneck of the fuel
pump nozzl einto tank ?and refuel.
XOnlyf illt he tank unti lthe pump nozzle
switches off .Fuelm ayotherwis elea ko ut.
XReplace tank fille rcap ; on tank ?and turn
clockwise.
Yo uw illh ea rac lick when the fuel fille rcap is
closed fully.
XOpen the front left-hand door first, and then
close fille rflap :.
Problems with the fuela nd fueltank
If your vehicl eislosingfuel, the fuel lines or the
fuel tank ar edefective.
XTurn the key immediatel ytoposition0in the
ignition lock and remove it.
XDo not restar tthe engine under any circum-
stances.
XConsult aquali fied specialis tworkshop.
Parking
Important safety notes
GWARNING
Flammabl ematerial such as leaves, grass or
twigs mayi gnite if theyc ome into contact with
hot parts of the exhaust system or exhaust
gasf low. There is ariskoff ire.
Park the vehicl esothatnof lammabl emate-
rials come into contact with parts of the vehi-
cle which ar ehot. Take particular car enot to
park on dry grassland or harvested grain
fields.
132Parking
Driving an dparking
GWARNING
If you leave children unsupervised in the vehi-
cle, they coul dset it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehiclee quip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alway stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
!Always secure the vehiclec orrectly against
rolling away. Otherwise, the vehicleori ts driv-
etrain coul dbedamaged.
!When the vehicleisp arked,alway sremove
the key to prevent the battery from becoming
discharged.
Always park you rvehicl esafel yand secure it
against rolling away. When parking, observe the
lega lrequirements of the country in which you
are currently driving.
To ensure that the vehicleisp roperly secured
against rolling awa yunintentionally:
Rthe parking brake must be firmly applied
Rthe transmission must be in position Pand the
key must be removed from the ignitio nlock
Ron steep uphill or downhill gradients, the front
wheels must be turned toward sthe curb
Parking brake
GWARNING
If you leave children unsupervised in the vehi-
cle, they coul dset it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehiclee quip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alway stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If you must brake the vehiclew ith the parking
brake, the braking distance is considerably
longer and the wheels coul dlock. There is an
increased dange rofskidding and accidents.
Only use the parking brake to brake the vehi-
cle when the service brake is faulty. Do not
apply the parking brake too firmly .Ifthe
wheels lock, release the parking brake until
the wheels begint urning again.
The brake lampsare not illuminated when you
brake the vehicleu sing the parking brake.
As arule ,you may only apply the parking brake
when the vehicleiss tationary.
XTo apply the parking brake: depress park-
ing brake pedal ;firmly.
The red F(only USA) or J(only Can-
ada )indicator lamp in the instrument cluster
lights up if the engine is running.
XTo release the parking brake: depress the
brake pedala nd keep it depressed.
XPullrelease handle :.
The parking brake is released abruptly.T he
red F (only USA) or J(only Canada)
indicator lamp in the instrument cluster goes
out.
Exceptionally,ift he service brake fails, the park-
ing brake can be used to brake the vehicleina n
emergency.
XEmergency braking: pullrelease handle :
and gradually depress parking brake
pedal ;.
Parking133
Driving and parking
Z
Switching off the engine
Important safety notes
GWARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away.T here isarisk of an
accident.
After switching off the engine, always switch
to parking position P.Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
!If the coolant temperature is very high, e.g.
after driving on hilly roads, leave the engine
running at idle speed for about two minutes
before turning it off.
This allowst he coolant temperature to return
to normal.
Vehicles with automatic transmission
XStop the vehicle.
XShift the transmission to position P.
XApply the parking brake.
XTurn key to position0in the ignition lock and
remove it.
The immobilizer is activated.
If you switch the engine off with the trans-
mission in position Ror D,t he automatic
transmission shifts to Nautomatically.
If you then open one of the front doors or
remove the key from the ignition, the auto-
matic transmission automatically shifts to P.
If you shift the automatic transmission to N
before switching off the engine, the automatic
transmission remains in Neven if afront door
is opened.
XSecure the vehicle to prevent it from rolling
away (Ypage 132).
Parking the vehicle for along period
If you leave the vehicle parked for longer than
4w eeks, the battery may be damaged by
exhaustive discharging.
XDisconnect the battery (Ypage 250).
or
XConnect the battery to atrickle charger.
Be sure to observe the notes on charging the batteries (
Ypage 253).
You can obtain information about trickle
chargers from aqualified specialist work-
shop.
If you leave the vehicle parked for longer than
6w eeks, the vehicle may suffer damage as a
result of lack of use.
XVisit aqualified specialist workshop and seek
advice.
Driving tips
General notes
Important safety notes
GWARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect, for example, the power steering and the brake
boosting effect.Y ou will require considerably
more effort to steer and brake. There is arisk
of an accident.
Do not switch off the ignition while driving.
GWARNING
If you operate mobile communication equip-
ment while driving, you will be distracted from traffic conditions. You could also lose control
of the vehicle. There is arisk of an accident.
Only operate this equipment when the vehicle
is stationary.
Observe the legal requirements of the countryi n
which you are driving. Some jurisdictions pro-
hibit the driver from using amobile phone while
driving avehicle.
134Driving tips
Driving and parking
The intensity of warning lamps:depends on
the brightness of the ambient light and is con-
trolled automatically.
Collision warning
If av ehicle is detected in the monitoring range of
Blind Spot Assist and you switch on the corre-
sponding turn signal, adouble warning tone
sounds once. The warning lamp in the corre-
sponding exterior mirror flashes. If the turn sig-
nal remains on, detected vehicles are indicated
by the flashing of the warning lamp in the exte-
rior mirror. There are no further warning tones.
Activating Blind Spot Assist
XMake sure that Blind Spot Assist is activated
in the on-board computer (Ypage 184).
XTurn the key to position 2in the ignition lock.
The warning lamps in the exterior mirrors light
up for approximately 1.5 seconds.
Status indicators in the status overview submenu
If Blind Spot Assist is activated, the display
shows symbol :in the StatusOverviewsub-
menu of the on-board computer (Ypage 183). If
you are driving faster than 20 mph (30 km/h) ,
the symbo lalsos hows rada rwaves between the
two vehicles ;.Blind Spo tAssist is thenr eady
for use.
Towin gatrailer
If youattach atrailer, make sure thaty ouhave
correctl yestablishe dthe electrical connection.
Thi scan be accomplishe dbychecking the trailer
lighting. Blind Spo tAssist is thend eactivated
and the Blind Spo tAssist Currently
Unavail. See Operator' sManualmessage
appear sinthe display.
Lane Keeping Assist
General notes
Lane Keeping Assist monitors the area in front of
your vehicl ebymeans of camera :which is
mounted at the top of the windshield. Lane
Keeping Assist detects lane markings on the
roa dand can warn yo ubefor ey ou leav eyour
lane unintentionally.
This functio nisa vailable in the range between
40 mph (60 km/h )and 125 mph (20 0km/h).
Aw arning maybeg iven if afront whee lpasses
ove ralanem arking. It will warn yo ubymeans of
intermittent vibratio nthroug hthe steering
whee lfor up to 1.5 second s.
Importan tsafety notes
GWARNING
Lane Keeping Assist may not always clearly
recognize lane markings.
In this case, Lane Keeping Assist may:
Rgive an unnecessary warning
Rnot give awarning
There is ariskofana ccident.
Alway spayparticula rattention to the traffic
situation and stay in lane, in particula rif
warned by Lane Keeping Assist.
GWARNING
The Lane Keeping Assist warning doe snot
return the vehicl etothe original lane. There is
ar iskofana ccident.
Yo us houl dalway ssteer, brake or accelerate
yourself, in particula rifwarned by Lane Keep-
ing Assist.
Driving systems147
Driving and parking
Z
Standard:the sensitivity with which the sys-
tem determines the attention level is set to
normal.
Sensitive: the sensitivity is set higher. The
driver is warned earlier.
When ATTENTION ASSIST is switched on and
the vehicle engine is running:
Ron vehicles without steering wheel buttons,
the À indicator lamp in the instrument
cluster lights up
Ron vehicles with steering-wheel buttons, the
display shows the Àsymbol:
-in the status area
-in the Status Overviewof the Assist.menu (Ypage 183)
For vehicles with steering wheel buttons, if you
deactivate ATTENTION ASSIST, the system is
automatically re-activated when you start the
engine. The system sensitivity then corresponds to the last selection activated –standard or sen-
sitive.
If you switch off ATTENTION ASSIST in avehicle
without steering wheel buttons, the system
remains switched off even after you start the
engine. The status of the system after switching
on the engine always corresponds to the status
last selected.
Warning in the display
If the system detectst iredness or increasing
lapses in concentration, the warning Atten‐
tion Assist: TakeaBreak!orAttent.Asst: Take Break!is shown in the display.
An additional warning tone sounds.
XIf necessary, take abreak.
XConfirm the message by pressing the a
button on the steering wheel.
On long journeys, take regular breaks in good
time to allow yourself to rest. If you do not take
ab reak and ATTENTION ASSIST continues to
detect increasing lapses in concentration, you
will be warned again after 15 minutes at the
earliest. This will only happen if ATTEN-
TION ASSIST still detectst ypical indicators of
fatigue or increasing lapses in concentration.
PARKTRONIC
General notes
PARKTRONIC is an electronic parking aid. The
system is equipped with ultrasonic sensors in
the front and rear bumpers to monitor the area
around your vehicle. PARKTRONIC indicates vis-
uallya nd audibly the distance between your
vehicle and an object.
Your vehicle features two separate sound emit-
ters with different frequencies for the warning
tones. The warning ranges in front of and behind the vehicle are indicated by different warning
tones.
PARKTRONIC is activated automatically when
you:
Rturn the key to position 2in the ignition lock
Rrelease the parking brake and
Rmove the selector lever to D,Nor R
PARKTRONIC is deactivated at speeds above
11 mph (18 km/h). PARKTRONIC is reactivated
at speeds below 10 mph (16 km/h).
Important safety notes
PARKTRONIC is only an aid. It cannot replace
your own awareness of the immediate surround-
ings. You are responsible for safe maneuvering,
parking and pulling away.W hen maneuvering,
parking and pulling away,m ake sure that there
are no persons, animals or object sinthe maneu-
vering area.
!Pay particular attention to obstacles above
or below the sensors when parking, such as
flower pots or trailer towbars. PARKTRONIC
does not recognizes uch objectswhen they
are in the immediate vicinity of the vehicle.
You could damage the vehicle or objects.
PARKTRONIC can suffer interference from:
Rultrasonic sources such as atruck's
compressed-air brakes, an automatic car
wash or apneumatic drill
Rattachments to the vehicle, e.g. rear moun-
ted racks
Rnumber plates (vehicle license plates) that
are not affixed flat against the bumper
Rdirty or icy sensors
Remove adetachable trailer coupling if it is no
longer required. PARKTRONIC measures the
minimum detection range to an obstacle from
the bumper, not the ball coupling.
150Driving systems
Driving and parking
Problems with PARKTRONIC
ProblemPossible causes/consequences andMSolutions
Only the red segments in
the PARKTRONIC warn-
ing displaysare lit.
Aw arning tone also
sounds for approx-
imately 2seconds.
PARKTRONIC is then
deactivated.
The indicator lamp of the
f button lights up
and the red segments in
the PARKTRONIC warn-
ing display go out.PARKTRONIC has malfunctioned and has switched itself off.
XIf problems persist, have PARKTRONIC checked at aqualified spe-
cialist workshop.
The PARKTRONIC warn-
ing displaysi mplausible
distances.
For example, all the seg-
mentsm ay be lit even
though there is no obsta-
cle present.The PARKTRONIC sensors are dirty or iced up.
XClean the PARKTRONIC sensors (Ypage 257).
XTurn the key to position 2again in the ignition lock.
The license plate or other parts attached near the sensors may not be
secured correctly.
XCheck the license plate and attachmentp arts near the sensors for
correct seating.
An external radio or ultrasonic source may be causing interference.
XCheck PARKTRONIC functions in adifferent location.
Active Parking Assist
General notes
Active Parking Assist is an electronic parking
aid. The system uses ultrasound sensors to
measure the road on both sides of the vehicle
and indicates suitable parking spaces. It can
then actively steer and brake the vehicle to help
you to park and exit the parking space.
Active Parking Assist includes the PARKTRONIC
parking aid which indicates visuallya nd audibly
the distance between your vehicle and an
object .Todot his, PARKTRONIC uses the ultra-
sonic sensors of the Active Parking Assist
(
Ypage 150).
Important safety notes
Active Parking Assist is only an aid. It is not a
substitute for your attention to the immediate
surroundings. You are responsible for safe maneuvering, parking and pulling away.M
ake
sure that no persons, animals or object sare in
the maneuvering range.
When you deactivate PARKTRONIC, Active Park-
ing Assist will also be deactivated.
For vehicles with atrailer coupling installed, the
minimum length for parking spaces will be
slightly increased.
If you have attached atrailer to your vehicle, you
should not use Active Parking Assist. Once the
electrical connection is established between
your vehicle and the trailer, Active Parking
Assist is no longer available. PARKTRONIC is
then deactivated for the rear area.
GWARNING
While parking or pulling out of aparking
space, the vehicle swings out and can drive
onto areas of the oncomingl ane. This could
result in acollision with another road user.
There is arisk of an accident.
154Driving systems
Driving and parking