2017 MERCEDES-BENZ C-Class COUPE windshield wipers

XRemove protective film:of th eservic eindi-
cator on th etipof th ewiper blade .
If th ecolor of th eservic eindicator changes from
blac ktoy ellow,the wiper blade sshould be
replaced.
iThe duration of th ecolor chang evaries
depending on th eusage conditions.
118Windshield wipers
Lightsa nd windshield wipers

Problems with the windshield wipers
ProblemPossible causes/consequences andMSolutions
The windshield wipers
are jammed.Leaves or snow, for example, may be obstructing the windshield wiper
movement.The wiper motor has been deactivated.
XFor safety reasons, you should remove the SmartKey from the igni-
tion lock.
or
XSwitch off the engine using the Start/Stop button and open the
driver's door.
XRemove the cause of the obstruction.
XSwitch the windshield wipers back on.
The windshield wipers
fail completely.The windshield wiper drive is malfunctioning.
XSelect another wiper speed on the combination switch.
XHave the windshield wipers checked at aqualified specialist work-
shop.
The windshield washer
fluid from the spray noz-
zles no longer hits the
center of the windshield.The spray nozzles are misaligned.
XHave the spray nozzles adjusted at aqualified specialist workshop.
Windshield wipers119
Lights and windshieldw ipers
Z

XTo switchoff:press the ¬rockerswitch
up or down.
The indicator lamp above the ¬rocker
switch goe sout.T he previously selecte dset-
ting sare restored. Air-recirculatio nmode
remains deactivated.
Defrostin gthe windows
Window sfogge dupo nthe inside
XActivate the "Cooling with ai rdehumidifica -
tion" functio nwitht he ¿ rockerswitch.
XSwitch on automatic mod eusing the Ã
rocke rswitch.
XIf the windows continue to fog up ,activate the
"Windshiel ddefrosting "functio nusing the
¬ rockerswitch.
iYo us houl donlys elect thiss etting untilthe
windshield is clear again.
Window sfogge dupo nthe outside
XActivate the windshield wipers.
XSwitch on automatic mod eusing the Ã
rocke rswitch.
iIf yo uclean the windows regularly, they do
not fog up so quickly.
Rear windo wdefroster
General notes
The rea rwindo wd efroster hasah ighc urrent
draw. Yo ushoul dtherefore switch it off as soon
as the rea rwindo wisc lear. Otherwise, the rear
windo wdefroster switches off automatically
afte rsevera lminutes.
If the battery voltag eistoo low, the rea rwindow
defroster may switch off.
Switchin gon/of f
XTurn the SmartKey to position 2in the ignition
lock (Ypage 131).
XPress the ¤rockerswitch up or down.
The indicator lamp above the ¤rocker
switch lights up or goe sout.
Operatingt he climate controls ystems125
Climate control

To start the vehicle without actively using the
SmartKey:
Rthe Start/Stop button must be inserted in the
ignition lock.
Rthe SmartKey must be in the vehicle.
Rthe vehicle must not be locked with the
SmartKey or KEYLESS-GO (Ypage 75).
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.
If you lock the vehicle with the SmartKey's
remote control or with KEYLESS-GO, after a
short time:
Ryou will not be able to switch on the ignition
with the Start/Stop button.
Ryou will not be able to start the engine with the
Start/Stop button until the vehicle is
unlocked again.
If you lock the vehicle centrally using the button
on the front door (
Ypage 81), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
operates independently of the ECO start/stop
automatic engine switch-off function.
Key positions with the Start/Stop button
:Start/Stop button
;Ignition lock
As soon as the ignition is switched on, all the
indicator lamps in the instrument cluster light
up. Further information on situations where an
indicator lamp either fails to go out after starting the engine or lights up while driving
(
Ypage 248).
If Start/Stop button :has not yet been
pressed, this corresponds to the SmartKey
being removed from the ignition.
XTo switch on the power supply: press
Start/Stop button :once.
The power supply is switched on. You can now activate the windshield wipers, for example.
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop button :twice when in
this position
XTo switch on the ignition: press Start/Stop
button :twice.
The ignition is switched on.
The ignition is switched off again if:
Ryou do not start the engine from this position
within 15 minutes
Ryou press Start/Stop button :twice when in
this position
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop button :twice when in
this position
Removing the Start/Stop button
You can remove the Start/Stop button from the
ignition lock and start the vehicle as normal
using the SmartKey.
It is only possible to switch between Start/Stop
button mode and SmartKey operation when the
transmission is in position P.
XRemove Start/Stop button :from ignition
lock ;.
You do not have to remove the Start/Stop but-
ton from the ignition lock when you leave the
vehicle. You should, however, alwayst ake the
SmartKey with you when leaving the vehicle. As
long as the SmartKey is in the vehicle:
Rthe vehicle can be started using the Start/
Stop button
Rthe electrically powered equipment can be
operated
132Driving
Driving and parking

Engine compartment
Hood
Important safety notes
GWARNING
If th ehood is unlatched, it may open up when
th ev ehicle is in motion and blocky our view.
Thereisar isk of an accident.
Never unlatch th ehood while driving .Before
ever ytrip, ensure that th ehood is locked.
GWARNING
When opening and closingt hehood,itm ay
suddenly fall int othe closed position.T hereis
ar isk of injury to personsw ithin range of
movementoft hehood.
Open and close th ehood only when no onei s
within its range of movement.
GWARNING
Opening th ehood when th eengine is over-
heated or when there is afireint heengine
compartmen tcoul de xpose you to hot gases
or other servic eproducts. Thereisar isk of
injury.
Let an overheate dengine coo ldown before
opening th ehood.Ift here is afireint he
engine compartment, keep th ehood closed
and contac tthe fired epartment.
GWARNING
The engine compartmen tcontain smoving
components. Certain components, sucha s
th er adiator fan ,may continue to run or start
again suddenly when th eignition is off .There
is ar isk of injury.
If you nee dtodoany work inside th eengine
compartment:
Rswitch off th eignition
Rnever reac hintot he area wheret here is a
risk of danger from moving components,
suchast hefan rotatio narea
Rremove jewelry and watches
Rkeep items of clothing and hair, for exam-
ple, away from moving parts
GWARNING
The ignition system and th efuel injection sys-
te mw ork unde rhigh voltage. If you touch
component swhicha re unde rvoltage, you
coul dget an electric shock. Thereisar isk of
injury.
Never touch component softheignition sys-
te morf uel injection system when th eignition
is switched on.
Opening th ehood
GWARNING
Certain component sintheengine compart-
ment, suchast heengine ,radiator and parts
of th eexhaust system, can become ver yhot.
Workin gintheengine compartmen tposesa
risk of injury.
Wherep ossible, let th eengine coo ldown and
touch only th ecomponent sdescribe dinthe
following.
GWARNING
When th ehood is open and th ewindshield
wipersa re set in motion,y ou can be injured by
th ew iper linkage. Thereisar isk of injury.
Always switch off th ewindshield wipersa nd
th ei gnition before opening th ehood.
!Makes ure that th ewindshield wipersa re
no tfolded away from th ewindshield. You
coul dotherwise damag ethe windshield wip-
ers or th ehood.
Engine compartment287
Maintenance and care
Z

XMake sure that the windshield wipers are
turned off.
XPull release lever:on the hood.
The hood is released.
XReach into the gap, pull hood catch handle ;
up and lift the hood.
If you lift the hood by approximately 15 in
(40 cm), the hood is opened and held open
automatically by the gas-filled strut.
Closing the hood
XLower the hood and let it fall from aheight of
approximately 8in(20 cm).
XCheck that the hood has engaged properly.
If the hood can be raised slightly, it is not
properly engaged. Open it again and close it
withalittle more force.
Radiator
Do not cover up the radiator, such as with a
thermal mat or insect protection cover. The
readings of the on-board-diagnostic system may
otherwise be inaccurate. Some of these read-
ings are required by law and must be accurate at
all times.
Engine oil
Important safety notes
GWARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartmentp oses a
risk of injury.
Where possible, let the engine cool down and touch only the components described in the
following.
GWARNING
If engine oil comes into contact with hot com- ponentsint he engine compartment, it may
ignite. There is arisk of fire and injury.
Make sure that engine oil is not spilled next to
the filler neck.L et the engine cool down and
thoroughly clean the engine oil off the com-
ponentsb efore startin gthe engine.
General notes
Depending on your driving style, the vehicle
consumes up to 0.9 US qt (0.8 liters) of oil per
600 miles (1,000 km). The oil consumption may
be higher than this when the vehicle is new or if
you frequently drive at high engine speeds.
Depending on the engine, the oil dipstick may be
inad ifferent location.
When checking the oil level:
Rpark the vehicle on alevel surface
Rthe engine should be switched off for approx-
imately five minutes if the engine is at normal
operating temperature
Rall vehicles (except Mercedes-AMG C63/C
63S): if the engine is not at normal operating
temperature, e.g. if the engine was only star-
ted briefly, wait approximately 30 minutes
before carrying out the measurement
The oil level of the Mercedes-AMG C63/C 63 S
must be checked only when the engine is at
normal operating temperature.
288Engine compartment
Maintenance and care

Cleaning thevehicle parts
Cleaning th ewheels
GWARNING
The wate rjet from acircular je tnozzle (dirt
blasters)c an causeinvisible exterior damage
to th etires or chassis components .Compo-
nent sdamaged in this way may fail unexpect-
edly. Thereisar iskofana ccident.
Do no tuse power washers withc ircular jet
nozzles to clean th evehicle .Haved amaged
tires or chassis components replaced imme-
diately.
!Do no tuse acidic wheel cleanin gproducts
to remove brak edust.T his coul ddamage
wheel boltsa nd brakecomponents.
!Do no tpark th evehicle for an extended
period straigh tafter cleanin git, particularly
after having cleane dthe wheelsw ithwheel
cleaner. Wheelc leaners couldcause
increased corrosion of th ebrak ediscsa nd
brak epads/linings. For this reason,y ou
should driv efor afew minute safter cleaning.
Brakin gheatst hebrak ediscsa nd thebrake
pads/linings, thus dryin gthem. The vehicle
can then be parked.
Cleaning th ewindows
GWARNING
You coul dbecome trapped by th ewindshield
wipersift heys tart moving while cleanin gthe
windshield or wiper blades.T hereisarisko f
injury.
Always switch off th ewindshield wipersa nd
th ei gnition before cleanin gthe windshield or
wiper blades.
!Do no tuse dry cloths, abrasive products,
solvents or cleanin gagents containing sol-
vents to clean th einside of th ewindows. Do
no ttou ch th einsides of th ewindows with
hard objects, e.g .anice scrape rorring. There
is otherwise ariskofd amaging th ewindows.
!Clean th ewaterdrainage channels of the
windshield and th erear window at regular
intervals. Deposits suchasl eaves, petals and
pollenm ay undercertain circumstances pre- ven
twate rfromd raining away. This can lead
to corrosion damagea nd damagetoelec-
tronic components.
XClean th einside and outside of th ewindows
withad amp cloth and acleanin gproduct that
is recommended and approved by Mercedes-
Benz.
Cleaning wiper blades
GWARNING
You coul dbecome trapped by th ewindshield
wipersift heys tart moving while cleanin gthe
windshield or wiper blades.T hereisarisko f
injury.
Always switch off th ewindshield wipersa nd
th ei gnition before cleanin gthe windshield or
wiper blades.
!Do no tpull th ewiper blade. Otherwise, the
wiper blade coul dbedamaged.
!Do notclean wiper blades to ooften and do
no trub them to ohard .Otherwise, th egraph-
ite coatin gcoul dbed amaged. This could
caus ewiper noise.
!Holdthe wiper arm securely when folding
back .The windshield coul dbedamaged if the
wiper arm smacks against it suddenly.
XFol dthe windshield wiper arm saway from the
windshield (Ypage 116).
XCarefully clean th ewiper blades withad amp
cloth.
XFol dthe windshield wiper arm sback again
before switching on th eignition.
Cleaning th eexterior lighting
!Only use cleanin gagents or cleanin gcloths
whicha re suitable for plastic light lenses.
Unsuitable cleanin gagents or cleanin gcloths
coul dscratch or damag ethe plastic light len-
ses.
XClean th eplastic lenses of th eexteri or light-
ing usingaw et sponge and amild cleaning
agent, e.g .Mercedes-Ben zcar shampoo or
cleanin gcloths.
Care295
Maintenance and care
Z

Dashboardfuseb ox
!
Do no tuse ap ointe dobjec tsuc hasas crew -
driver to ope nthe cover in th edashboard. You
could damage th edashboar dorthecover .
XOpenthe driver's door.
XTo open: pull out cover :slightly at th ebot-
to mint hedirection of arrow =.
XFold cover:outward sinthedirection of
arrow ;.
XTo close :fold in cover :until it engages.
Fus ebox in th efront-passenger foot -
well
XOpe nthe front-passenger door.
XTo open: fold cover :out toward sthe rea r
and remov eit.
XTo close :clip in cover :at th erear.
XFold cover :forwards until it engages.
Fus ebox in th eengin ecompartment
GWARNING
Whe nthe hoo diso pena nd th ewindshield
wipers are set in motion ,you can be injured by
th ew iperlinkage. There is ariskofi njury.
Always switch of fthe windshield wipers and
th ei gnition befor eopening th ehood.
XOpe nthe hoo d(Ypage 287).
XTo open: press safet yclips : on th ecover
together .
XRemovefuseb ox cover ;upwards.
XUse adry clot htoremov eany moisture from
th ef useb ox.
XLoosen screw s=,f oldupf useb ox lid ?and
remov eit.
XTo close :chec kwhether th eseal is posi-
tioned correctl yint he lid?.
XInser tlid ? into th ebracket at th erearoft he
fus eb ox.
XFold down lid ?of th efuseb ox and tighten
screw s=.
XInser tcover ; on bot hsides and engage
safet yclips :.
XClos ethe hood.
314Fuses
Breakdown assistance