
X
Slide wiper arm :into new wiper blade ;
with fitting =.
X Engag espring clip ?into the end of the wiper
arm. X
Mak esure that wiper blade ;is seated cor-
rectly.
X Fold wiper arm :back onto the windscreen. Problems with the windscreen wipers
Problem
Possible causes/consequences and
M
MSolutions The windscreen wipers
are jammed. Leaves or snow, for example, are obstructing windscreen wiper move-
ment. The wiper motor has been deactivated.
X Switch off the engine.
X Remove the key from the ignition lock.
X Remove the cause of the obstruction.
X Switch the windscreen wipers back on. The windscreen wipers
fail completely. The windscreen wiper drive is malfunctioning.
X Select another wiper speed on the combination switch.
X Have the windscreen wipers checked at aqualified specialist work-
shop. The windscreen washer
fluid from the spray noz-
zles no longer hits the
centre of the wind-
screen. The spray nozzles are misaligned.
X Have the spray nozzles adjusted at aqualified specialist workshop. Windscreenw
ipers
83Lightsand windscreen wipers Z

vated unintentionally. In particular, ensure that
the remote control for the auxiliary heating is
kept out of the reach of children.
The remote control has
arange of approximately
300 metres .This range is reduced by:
R source sofradioi nterference
R soli dobjects between the remote control and
the vehicle
R the remote control being in an unfavourable
position in relation to the vehicle
R transmitting from an enclosed space
If the remote control battery is low,t he battery
symbol on the left of the display is show nas
empty. Replace the remote control battery and
observe the important safety notes when doing so (Y page9 2).
Activating/deactivating the auxiliary
heating or auxiliary ventilation Remote control
: Display
; u Activates the auxiliaryh eating or aux-
iliary ventilation
Checks th estatus
= . Setsthe departur etime
? ^ Deactivates th eauxiliary heating or
auxiliary ventilation
A , Setsthe departur etime
X To activate: press and hold the ubutton.
ON is shown on th eremot econtro ldisplay.
X To deactivate: press and hold the ^but-
ton.
OFF is shown on th eremot econtro ldisplay.
Checking th estatus of theauxiliary heat-
ing or auxiliary ventilation
X Briefl ypress the ubutton. The followin
gmessages may appear on the dis-
play: Display Meaning
The auxiliary heating or
auxiliary ventilation is
deactivated.
The auxiliary ventilation is
activated. The number on
the display shows the
remaining time (in
minutes) for the auxiliary
ventilation.
The auxiliary heating is
activated. The number on
the display shows the
remaining time (in
minutes) for the auxiliary
heating.
Ad
epart uret ime ha sbeen
activated .The departure
time appear sonthe dis-
play. Ad
epart uret ime ha sbeen
activated .The auxiliary
ventilatio nisc urrently
activated .The numbe ron
the display shows the
remaining time (in
minutes) for the auxiliary
ventilation. If the vehicl eis
not started afte rthist ime,
the running time is
increased by fiv eminutes. Ad
epart uret ime ha sbeen
activated .The auxiliary
heating is currentl yactiva-
ted .The numbe ronthe
display shows the remain-
ing time (i nminutes) for
the auxiliary heating .Ifthe
vehicl eisnot started after
thi stime ,the running time
is increased by five
minutes. If the engine has not yet reached oper
ating tem-
perature when it is started, the auxiliary heating running time is increased .The auxiliary heating
continues to run until the operating temperature
is reached .Ifthis is the case, the ysymbol Operating the climate control system
91Climate control Z

X
Insert new battery =with the lettering facing
upwards. X
Slide battery cover :onto the remote con-
trol in the opposite direction to the arrow until it engages.
X Use the remote control to check the vehicle's
auxiliary heating functions.
Problems with the auxiliary heating/ventilation Problem
Possible causes/con
sequences andM
MSolutions FAIL
¨ The signal transmission between the transmitter and the vehicle is
faulty.
X
Change your position in relation to the vehicle, moving closer if
necessary. FAIL The auxiliary heating or auxiliary ventilation cannot be switched on or
has switched itself off.
The starter battery is not sufficiently charged.
X Charge the starter battery. The fuel level has dropped into the reserve range.
X Refuel at the nearest filling station. The auxiliary heating or auxiliary ventilation is faulty.
X Have the auxiliary heating or auxiliary ventilation checked at a
qualified specialist workshop. The auxiliary heating or auxiliary ventilation was started more than
twice when the engine was switched off.
X Switch on the engine and let it run for more than 10 seconds. The battery symbol on
the left of the remote
control display is shown
as empty. The remote control battery is discharged.
X Replace the remote control battery (Y page 92).Air ven
ts Important safety notes
G
WARNING
Very ho torvery cold air can flow from the air
vents. This coul dresult in burns or frostbite in
the immediate vicinity of the air vents. There
is ar isk of injury.
Make sure that all vehicl eoccupants always
maintai nasufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicl einterior. In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R keep the air inlet betwee nthe windscree nand
the bonnet free of blockages, such as ice,
snow or leaves
R never cover the vents or ventilation grilles in
the vehicle interior
i For virtually draught-free ventilation, adjust
the sliders of the air vents to the centre posi- tion.
i If the automatic climate control regularly
deviates from the selected temperature or is Airv
ents
93Climatecont rol Z

!
Avoid high engine speeds when the engine
is cold. The engine's service life could other-
wise be significantly shortened. Do not use
the engine's full performance until it has
reached operating temperature. Key positions
g
To remove the key
1 Power supply for some consumers, such as
the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position
3 Starting the vehicle
You can only remove the key if: R the key is in position gin the ignition lock
R the automatic transmission selector lever is
in j Starting the vehicle
Important safety notes G
WARNING
If children are left unsupervised in the vehicle, they can:
R open doors and endanger other persons or
road users
R climb out and be injured by the traffic
R operate vehicle equipment and, for exam-
ple, trap themselves. Children could als
oset th evehicle in motion,
for example by:
R releasin gthe parking brake
R shiftin gthe automatic transmission out of
park position P
R starting th eengine.
Ther eisar iskofana ccidentand injury.
When leaving th evehicle ,always tak ethe key
wit hyou and loc kthe vehicle .Never leave
children unattende dinthevehicle .Always
keep th ekeyout of reac hofchildren. G
WARNING
Combustion engine semit poisonous exhaust
gase ssuch as carbon monoxide .Inhaling
these exhaust gase sleads to poisoning. There
is ar isk of fatal injury .Therefore never leave
the engine running in enclose dspace swith-
out sufficient ventilation. G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or parts of the engine that heat up. There is arisk
of fire.
Carry out regular checks to make sure that
there are no flammable foreig nmaterials in
the engine compartment or in the exhaust
system.
! Do not depress the accelerator when start-
ing the engine.
Starting procedure X
Shift the automatic transmissio ntoposition
j.
i You can also star
tthe engine when the auto-
mati ctransmissio nisinpositioni.
X Make sure that the parking brake is applied.
X Turn the key to position 2(Ypage 96) in the
ignition lock.
The % preglow indicator lamp on the
instrument cluster lights up.
X Whe nthe % preglow indicator lamp goes
out, turn the key to position 3(Ypage 96) 96
DrivingDrivin
gand park ing

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions The engine does not
start. The starter motor
can be heard. R
The engine electronics are malfunctioning.
R The fuel supply is malfunctioning.
X Turn the key back to position gin the ignition lock before attempt-
ing to start the engine again.
X Restart the engine (Y page 96). Avoid excessively long and frequent
attemptstos tart the engine, as this (Y page 96) will drain the bat-
tery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. The engine does not
start
.The starter motor
can be heard. The yellow reserve fuel warning
lamp is lit and the needle
of the fuel gauge shows
0. The fuel tank is empty.
X Refuel the vehicle.
X Bleed the fuel system (Y page 110).The engine does not
start
.You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 227).
If the engine does not start despite attempt stojump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to excessively high thermal load.
X Allow the starter motor to cool down for approximately two minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialist workshop. The coolant temperature
display is showing more
than 120 †. Adisplay
message may also
appear in the multifunc-
tion display and awarn-
ing tonem ay sound. The coolant level is too low. The coolant is too hot and the engine is not
being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 215). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolan
tlevel is correct, the radiator fan may be faulty. The cool-
ant is too hot and the engine is not being cooled sufficiently.
X If the coolant temperature is below1 20 †, you can continue driving
to the nearest qualifieds pecialist workshop.
X Avoid heavy loadsont he engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. 100
DrivingDriving and parking

Automati
ctransmission Important safety notes
G
WARNING
If th eengine spee disabove the idling speed
and you engag etransmission position Dor R,
the vehicl ecouldp ulla wa ysuddenly .There is
ar isk of an accident.
When engaging transmission position Dor R,
alwaysf irmly depress the brake peda land do
not simultaneously accelerate. G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicl emay roll away. There is arisk of an
accident.
After switching off the engine, alwayss witch
to parking position P.Prevent the parked vehi-
cle from rolling awaybya pplying the parking
brake.
i Bear in mind that power transmission
between the engine and the transmission is
interrupted when the engine is switched off.
For this reason, shift the automatic transmis-
sion to Pwhen the engine is switched off and
the vehicl eisstationary. Apply the parking
brake to prevent the vehicl efrom rolling
away. Selector lever
Overview of transmission positions !
If the engine speed is too high or if the vehi-
cle is rolling ,donot shift the transmission
directly from Dto R,f rom Rto Dor directly to
P.
Do not open the driver's door while the vehi-
cle is in motion. At low speeds in transmission position Dor R,p ark position Pis otherwise
engaged automatically.
The transmission could be damaged. :
Pbutton: park position with parking lock
k Revers egear
i Neutral
h Drive
After you select atransmission position ,the
selector lever return stoits original position.
The curren ttransmission position P,R, Nor D
appears in the transmission position display in
the multifunction display.
Transmission position and drive pro-
gram display !
If the transmission position display in the
multifunctio ndisplayisn ot working, you
should pull awayc arefully to check whether
the desired transmission position is engaged.
Select transmission position D.Donot
restrict the shift range. Current transmission position
:and dri vepro-
gram ;appear in th emultifunction display.
When th eselector leve risinposition D,you can
influence th egearshifts made by th eautomatic
transmission by:
R restricting th eshiftrange
R changing gear yourself Automatic transmission
101Driving and parking Z

Problems with the automatic transmission
Problem
Possible causes/consequences and
M
MSolutions The transmission has
problems shifting gear. The transmission is losing oil.
X Have the transmission checked at aqualified specialist workshop
immediately. The acceleration ability
is deteriorating.
The transmission no lon-
ger shifts gear. The transmission is in emergenc
ymode.
It is possible to shift to secondgear and reverse gear only.
X Stop.
X Shift the transmission to position P.
X Turn the key to position gin the ignition lock.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts to secondgear; ifRis
selected, the transmission shifts to reverse gear.
X Have the transmission checked at aqualified specialist workshop
immediately. Aw
arning tone sounds. Yo
uh ave:
R switched off the engine
R opene dthe driver's door
R not shifted the selector lever to position P
X Shif tthe selector lever to position P.Refuelling
Important safety notes
G
WARNING
Fue lish ighly flammable.Ify ou handlefuel
incorrectly ,there is arisk of fire and explo-
sion.
You must avoi dfire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable,t he auxiliary heating before
refuelling. G
WARNING
Fuel sare poisonous and hazardous to health.
There is adange rofinjury.
Do not swallowf uel or let it come into contact
with skin, eyesorc lothing. Do not inhal efuel
vapours. Keep fuel sout of the reach of chil-
dren. If you or others come into contact with fuel,
observe the following:
R Wash the fuel off any affected area sofskin
with water and soap immediately.
R If you get fuel in youre yes,rinse them thor-
oughlyw ith clean water immediately.S eek
immediate medica lattention.
R If fuel is swallowed, seek immediate medi-
cal attention. Do not induce vomiting.
R Change any clothing that has come into
contact with fuel immediately. G
WARNING
Electrostatic charge can cause sparks and
thereby ignite fuel vapours. There is arisk of
fire and explosion.
Always touch the vehicl ebody before opening
the fuel filler flap or touching the fuel pump 108
RefuellingDrivinga
nd parking

AdBlue
®
Genera lnotes To function properly, BlueTE
Cexhaust gas after-
treatment must be operated with the reducing
agent AdBlue ®
.
When the supply of AdBlue ®
is almost used up,
the Refill AdBlue See Owner's Manual Refill AdBlue See Owner's Manual
message is shown in the multifunction display .A
warning tonea lso sounds.
If the Refill AdBlue No start in Xkm
Refill AdBlue No start in Xkm
message is shown in the multifunction display,
you can still drive the vehicle over the distance
shown. If AdBlue ®
is not topped up, you will
subsequently be unable to startt he engine.
When you see the warning message, it is rec-
ommended that you fill the AdBlue ®
reservoir
with 10 litres of AdBlue ®
.T his ensures that the
AdBlue ®
supply will last until the next regular
service due date.
Further information about BlueTEC exhaust gas
aftertreatmen tand about AdBlue ®
can
be obtained from any Mercedes-Benz Service
Centre.
i You can also have the AdBlue ®
tank refilled
at aq ualified specialist workshop.
If the outside temperature is lower than Ò11 †,
it may be difficult to top up. If AdBlue ®
is frozen
and there is an active warning indicator, topping up may not be possible. Park the vehicle in a
warm place, e.g. in agarage, until AdBlue ®
has
become liquid again. Topping up is then possible
again. Alternatively, have the AdBlue ®
tank refil-
led at aqualified specialist workshop.
Before driving your vehicle outside Europe, have the AdBlue ®
supply checked at aqualified spe-
cialist workshop.
Further information about BlueTEC exhaust gas
aftertreatmen tand about AdBlue ®
can
be obtained from any Mercedes-Benz Service
Centre.
Important safety notes AdBlue
®
is aw ater-soluble fluid for the exhaust
ga sa ftertreatment of diese lengines. It is:
R non-toxic
R colourless and odourless
R non-flammable If you open the AdBlue
®
tank ,small amounts of
ammonia vapourm ay be released.
Ammonia vapours have apungent odoura nd are
particularly irritating to the skin, mucous mem-
branes and eyes.Y ou may experience aburning
sensation in youre yes,nose and throat. You
may also experience coughing and watery eyes.
Do not inhalea ny ammonia vapours that may be
released. Fill the AdBlue ®
tank only in well-ven-
tilated areas.
Do not swallow AdBlue ®
or let it come into con-
tact with skin, eyes or clothing. Keep AdBlue ®
awayf rom children.
If you or others come into contact with AdBlue ®
,
observe the following:
R immediately rinse AdBlue ®
off yours kin with
soap and water.
R if AdBlue ®
comes into contact with youre yes,
immediately rinse them thoroughl ywith clean
water. Seek medica lattention immediately.
R if AdBlue ®
is swallowed, immediately rinse
yourm outh out thoroughly. Drink plenty of
water. Seek medica lattention immediately.
R change immediately out of clothing that has
come into contact with AdBlue ®
.
! Only use AdBlue ®
in accordance with
ISO 22241. Do not mix any additives with
AdBlue ®
,a nd do not dilute AdBlue ®
with
water. This may destroy the BlueTEC exhaust
gas aftertreatment system.
! In order to fill the AdBlue ®
tank, the vehicle
must be parked on alevel surface. The
AdBlue ®
tank can only be filledasi ntended
with the vehicle parked on alevel surface.
Fluctuations in capacity willt hus be avoided.
Filling avehicle standing on an uneven sur-
face is not permitted. There is adanger of
overfilling, which can cause damage to Blue-
TEC exhaust gas aftertreatment components.
! Surfaces which have come into contact with
AdBlue ®
whiler efilling shouldber insed
immediately with water, or remove AdBlue ®
with amoist cloth and cold water. If AdBlue ®
has already crystallised, use asponge and
cold water to clean the area.A dBlue®
residue
crystallises after acertain amount of time and
soils the affected surfaces.
! AdBlue ®
is not afuel additive and must not
be addedtot he fuel tank. If AdBlue ®
is added Refuelling
111Driving and parking Z