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Engine
Warning/
indicator
lampNSignaltype
Possible causes/consequences and M
Solutions
;NThe yellow CheckE nginew arning lamp lightsupw hile theengine is running.
Therem ay beamalfunction, for example:
Rin th eengine management
Rin th etransmission management
Rin th efuel injection system
Rin th eexhaust system
Rin th eignition system (for vehicle swithagasoline engine)
Rin th efuel system
The emission limit values may be exceeded and th eengine may be runnin gin
emergency mode.
XHav ethe vehicle checked as soon as possible at aqualified specialist workshop.
æNThe yellow reservef uel warning lamp is on while th eengine is running.
The fuel leve lhas dropped to th ereserver ange.
XRefuel at th enearest gas station.
?NThe red coolant warning lamp comes on while th eengine is running.
On vehicle swithout steering wheel buttons, th ecoolant temperatur egage is at the
start of th ebar display (
Ypage 172).
On vehicle swith steering wheel buttons ,the coolant temperatur egage is at the
start of th escale in th einstrumentc luster(
Ypage 37).
The temperatur esensor for th ecoolant temperatur egage is faulty.
The coolant temperatur eisnolonger beingm onitored. Thereisar isk of engine
damag eifthecoolant temperatur eistoohigh.
XStop th evehicle immediately, payinga ttention to road and traffic conditions,
and switch off th eengine .Don otcontinue driving unde rany circumstances.
XSecure th evehicle to prevent it from rolling away (Ypage 132).
XConsult aqualified specialist workshop.
Indicator and warning lamps in th einstrumen tcluster223
On-boardc omputer and displays
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Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
?NThe red coolant warning lamp comes on while the engine is running.
The coolant leve listoo low.
If the coolant leve liscorrect, the airflow to the engine radiator may be blocked or
the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is no longer being cooleds ufficiently.
XObserve the display messages.
XStop the vehicleimmediately, paying attention to road and traffic conditions,
and switch off the engine.
XSecure the vehicletop revent it from rolling awa y(Ypage132).
XExit the vehiclea nd keepasafe distance from the vehicleu ntil the engine has
cooledd own.
XCheck the coolant leve land add coolant, observing the warning notes
(Ypag e244).
XIf you have to add coolant more frequently, have the engine cooling system
checked.
XMake sure that the air supply to the radiator is not obstructed ,byfrozen slush
for example.
XCheck the coolant temperature:
Rusing the display in the on-board computer on vehicles without steering wheel
buttons (Ypag e172)
Rusing the analog display in the instrument cluster on vehicles with steering
whee lbuttons (Ypag e37)
XDo not start the engine again until the coolant temperature is below the maxi-
mum valu especified below. The engine coul dotherwise be damaged.
XDrive to the neares tqualified specialist workshop.
Avoid heavy loads on the engine, e.g. driving in mountainous terrain, and stop-
and-go traffic.
Under normal operating conditions and with the specified coolant level, the cool-
ant temperature gage may rise to 248 ‡(120 †).
?NThe red coolant warning lamp comes on while the engine is running. An addi-
tional warning tone sounds.
The coolant temperature has exceededt he maximumvaluespecified below. The
airflow to the engine radiator may be blocked or the coolant leve lmay be too low.
GWARNING
The engine is not being cooleda dequately and couldbecome damaged.
Never drive with an overheated engine. Otherwise, fluids which may have leaked
into the engine compartment coul dcatch fire.
In addition, steam from an overheated engine can caus eserious burns, which can
occur just by opening the hood.
There is arisk of injury.
XObserve the display messages.
XStop the vehiclei mmediately, paying attention to road and traffic conditions,
and switch off the engine.
XSecure the vehicletop revent it from rolling awa y(Ypage 132).
224Indicator and warning lamps in the instrument cluster
On-board computer and displays
Page 227 of 310

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
XExit the vehicleand keepasafe distance from the vehicleu ntil the engine has
cooledd own.
XCheck the coolant leve land add coolant, observing the warning notes
(Ypag e244).
XIf you have to add coolant more frequently, have the engine cooling system
checked.
XMake sure that the air supply to the radiator is not obstructed ,byfrozen slush
for example.
XCheck the coolant temperature:
Rusing the display in the on-board computer on vehicles without steering wheel
buttons (Ypag e172)
Rusing the analog display in the instrument cluster on vehicles with steering
whee lbuttons (Ypag e37)
XIf the coolant temperature is below the maximu mvaluespecified below, you can
continue driving to the neares tqualified specialist workshop.
Avoid heavy loads on the engine, e.g. driving in mountainous terrain, and stop-
and-go traffic.
Under normal operating conditions and with the specified coolant level, the cool-
ant temperature gage may rise to 248 ‡(120 †).
Driving systems
Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
·NThe red distance warning lamp lights up while the vehicleisinm otion.
The distance to the vehicleinf ront is too smallfor the speeds elected.
XIncrease the distance.
·NThe red distance warning lamp lights up while the vehicleisinm otion. An
additiona lwarning tone sounds.
You are approaching avehicl eoras tationary obstacl einyourline of travel at too
high aspeed.
XBe prepared to brake immediately.
XPay particular attention to the traffic situation. You may have to brake or take
evasive action.
Further information about the distance warning function can be found under
"COLLISION PREVENTION ASSIST" (
Ypag e143).
Indicator and warning lamps in the instrument cluster225
On-board computer and displays
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Tires
Warning/
indicator
lampNSignal type
Possible causes/consequence sand M
Solutions
hNThe yellow tire pressure monitor warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitor hasd etecte dalossofp ressure in at leas tone of the tires.
GWARNING
Underinflated tire sposet he following risks:
RThe tire smayburst, especially as the load and vehicl espeed increase.
RThe tire smaywear excessivel yand/or unevenly, which mayg reatlyimpai rtire
traction.
RThe handling as well as steerin gand braking characteristics maybes everely
affected.
There is ariskofana ccident.
XStop the vehicl ewithou tmaking any sudden steerin gorbraking maneuvers. Pay
attentio ntothe trafficc onditions whil edoing so.
XSecure the vehicl etoprevent it fromr olling away (Ypage 132).
XObserve the displa ymessages.
XCheck the tire sand,ifn ecessary,c hange the whee l(Ypage 286).
XCheck the tire pressure.
Youc an check the tire pressure electronicall yonvehicles with steerin gwheel
buttons (
Ypage 274).
XIf necessary,c orrect the tire pressure.
hNThe yellow tire pressure monitor warning lamp (pressure loss/malfunction)
flashe sfor approximately 1minute and thenr emains lit.
The tire pressure monitor is malfunctioning.
GWARNING
The system mayn ot be able to detect or signa llow tire pressure as intended.
There is ariskofana ccident.
XObserve the displa ymessages.
XVisitaq ualified specialis tworkshop.
226Indicator and warninglamps in the instrumen tcluster
On-board computera nd displays
Page 229 of 310
Vehicle
Warning/
indicator
lampNSignal type
Possibl ecauses/consequences and M
Solutions
ÐNThe red powe rsteering warning lamp is li twhile the engine is running .Anaddi-
tional warning tone sounds.
The steering powe rassis tance could be malfunctioning .You mayn eedtos teer
more forcefully.
XCarefull ycontinue to aquali fied specialist workshop and have the steering
checked immediately.
1N The yellow "door open" indicator lamp is lit.
Ad oorisn ot fully closed.
XClose the doors.
Indicator and warning lamps in the instrumen tcluster227
On-board computer and displays
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Useful information
This Operator's Manual describes all models as
well as standard and optional equipment of your
vehicle that were available at the time of going
to print.Country-specific variation sare possi-
ble. Note that your vehicle may not be equipped
with all of the described functions. This also
applies to system sand function srelevantt o
safety.
Read the information on qualified specialist
workshops (
Ypage 29).
Stowage spaces and stowage com-
partments
Important safetyn otes
GWARNING
If you transport objects in the vehicle interior
and thes eare not adequately secured, they
could slip or be flung around and thereby
strike vehicle occupants .Inaddition ,cup
holders, open stowage spaces and mobile
phone brackets may not always be able to
hold the objects placed in them in the evento f
an accident. There is arisk of injury, particu-
larly in the eventofs harp brakingorsudden
changes of direction.
RAlways stow objects in such away that they
cannot be tossed about in thes eorsimilar
situations.
RAlways make sure that objects do not pro-
trude out of the stowage spaces, luggage
net sors towage nets.
REnsure that closable stowage spaces are
shut before beginning your journey.
RAlways stow and secure heavy, hard, poin-
ted, sharp-edged, fragile or large objects in
the cargo compartment.
Observet he "Loading guidelines" (
Ypage 232).
Glove box
Glove box (example: glove box with alockable lid)
1
Unlocked
2Locked
=Glove box handle
You can lock and unlock the glove box using the mechanical key (
Ypage 68).
When you open the glove box flap, acoin holder,
ap en holder and acredit card holder are inte-
grated on the inside.
XTo open: unlock the glove box lid if neces-
sary.
XPull glove box handle =in the direction of the
arrow.
XTo close: fold the glove box up and press it
until it engages.
Eyeglasses compartment in the over-
head control panel
Eyeglasses compartmen t(example: luxury over-
head contro lpanel)
228Stowage spaces and stowage compartments
Stowing and features
Page 231 of 310

XTo open:brieflypress cover :.
The eyeglasses compartment opens down-
wards.
XTo close: press the eyeglasses compartment
into the overhead contro lpan el unti lit
engages.
Make sure thatt he eyeglasses compartment is
always closed whil ethe vehicl eisinmotion.
Stowage net
Youc an us ethe stowag enets on the back of the
sea tbackrests to stor esmall ,lig htweight items.
Observ ethe loading directions (
Ypage 232)
and the safety informatio nabout the stowage
spaces (
Ypage 228).
Sun visors
Overview
GWARNING
If the mirror cove rofthe vanity mirror is folded
up when the vehicl eisinmotion, yo ucould be
blinded by incident light. There is ariskofa n
accident.
Alway skeept he mirror cove rfolde ddown
whil edriving.
Sun visor (exampl ewithi llum inated vanity mirror)
:
Mirror light
;Retainer
=Retaining clip, e.g .for ac ar park ticket
?Vanity mirror
AMirror cover
Vanity mirrori nthe sun visor
If yo ufoldm irror cover Aup and the key is in
position 1or 2in the ignition lock, mirror
light :lights up.
Glare from the side
XFoldthe sunv isor down.
XPull the sunv isor outofbracket;.
XSwing the sunv isor to the side.
Cup holder
Important safety notes
GWARNING
The cup holde rcanno tholdac ontaine rsecure
whilst traveling .Ifyouuseac up holde rwhilst
traveling ,the containe rmaybe flung around
and liquid maybes pilled.The vehicl eoccu-
pants mayc ome into contact with the liquid
and if it is hot, they maybes calded.You may
be distracted from the traffic conditions and
yo uc ould lose contro lofthe vehicle. There is
ar iskofana ccident and injury.
Onlyu sethe cup holde rwhent he vehicl eis
stationary .Onlyu sethe cup holde rfor con-
tainers of the right size. Alway sclose the con-
tainer, particularly if the liquid is hot.
!Onlyu sethe cup holders for containers of
the right size and which have lids. The drinks could otherwise spill.
Observe the loading guideline s(
Ypage 232).
Cuph older229
Stowing an dfeatures
Z
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Cup holders in thedashboard
Cup holder in th edashboar d(example :left side of
vehicle )
Cup holders :are locate dontheleft and the
righ tont opof th edashboard and on th ecenter
console.
Bottle holder
The bottle holders are in frontoft hestowage
compartments in th efront doors.
Therea re additional bottle holders on th eleft
and righ tintherear compartmen tside paneling.
Observ ethe safety note s(
Ypage 228).
Ashtray
Ashtray
Ashtray withl id: can be inserted int oacup
holder on th edashboard or int oacup holderi n
th er ear compartment.
Cigarett elighter
GWARNING
You can burn yourself if you touch th ehot
heating elementort hesocke tofthecigarette
lighter.
In addition,f lammable materialsc an ignite if:
Rtheh ot cigarette lighter falls
Rachild holdst hehot cigarette lighter to
objects, for example
Thereisar iskoff irea nd injury.
Always hold th ecigarette lighter by th eknob.
Always mak esure that th ecigarette lighter is
out of reac hofchildren. Never leave children
unsupervised in th evehicle.
Above all, pay attentio ntotraffic conditions. You
coul dotherwise caus eanaccidenta nd injure
yourself and others. Only operate th ecigarette
lighter if traffic conditionsp ermit.
230Cigarettelighter
Stowing and features