2018 MERCEDES-BENZ C CLASS radiator

XReachint oth egap, pull hoo dcatch handle ;
up and lift th ehood.
If you lift th ehoo dby approximately 15 in
(40 cm), th ehoo dis opened and held open
automatically by th egas-filled strut .
Closing the hood
XLowerth ehoo dand let it fall from aheight of
approximately 8in (20 cm).
XChec kthat th ehoo dhas engage dproperly.
If th ehoo dcan be raised slightly, it is no t
properly engaged. Open it again and close it
wit h a littlemor eforce .
Radiator
Do no tcover up th eradiator, suc has wit h a
thermal mat or insec tprotection cover .Other -
wise, th evalue sof th eEuropean on-board diag-
nostics may be affected. Some of these read -
ing sare require dby law and mus tbe accurat eat
all times .
Engine oil
Important safety notes
GWARNIN G
Certain component sin th eengin ecompart-
ment, suc has th eengine, radiato rand part s
of th eexhaust system, can become ver yhot .
Workin gin th eengin ecompartmen tposes a
ris kof injury.
Wher epossible, let th eengin ecool down and
touch only th ecomponent sdescribe din th e
following.
GWARNIN G
The engin ecompartmen tcontain smoving
components. Certain components, suc has
th eradiato rfan ,may continu eto run or start
again suddenly when th eignition is off .There
is aris kof injury.
If you need to do any wor kinside th eengin e
compartment:
Rswitch off th eignition
Rnever reac hint oth earea wher ethere is a
ris kof danger from moving components,
suc has th efan rotation area
Rremove jewelr yand watches
Rkeep items of clothing and hair ,for exam-
ple, away from moving part s
GWARNING
If engin eoil comes int ocontact wit hhot com-
ponents in th eengin ecompartment, it may
ignite. There is aris kof fir eand injury.
Mak esur ethat engin eoil is no tspilled next to
th efiller neck .Let th eengin ecool down and
thoroughly clean th eengin eoil off th ecom-
ponents before starting th eengine.
GWARNIN G
Opening th ehoo dwhen th eengin eis over-
heated or when there is afir ein th eengin e
compartmen tcould expos eyou to hot gase s
or other servic eproducts .There is aris kof
injury.
Let an overheate dengin ecool down before
opening th ehood. If there is afir ein th e
engin ecompartment, keep th ehoo dclosed
and contact th efir edepartment.
Hybrid vehicles: be sureto observ eth enote s
in th esupplementary instructions. Otherwise,
you may no trecogniz edangers.
General notes
Dependin gon your driving style, th evehicl e
consumes up to 0. 9US qt (0. 8l) of oil per
60 0mile s(1000 km). The oil consumption may
be higher than this when the vehicle is new or if
you frequently drive at high engine speeds.
304Engine compartment
Maintenance and care

Cleaning wiper blades
GWARNING
You could become trapped by the windshield wipers if they start moving while cleaning the
windshield or wiper blades. There is a risk of
injury.
Always switch off the windshield wipers and
the ignition before cleaning the windshield or
wiper blades.
!Do not pull the wiper blade. Otherwise, the
wiper blade could be damaged.
!Do not clean wiper blades too often and do
not rub them too hard. Otherwise, the graph-
ite coating could be damaged. This could
cause wiper noise.
!Hold the wiper arm securely when folding
back. The windshield could be damaged if the
wiper arm smacks against it suddenly.
XFold the windshield wiper arms away from the
windshield (Ypage 121).
XCarefully clean the wiper blades with a damp
cloth.
XFold the windshield wiper arms back again
before switching on the ignition.
Cleaning the exterior lighting
!Only use cleaning agents or cleaning cloths
which are suitable for plastic light lenses.
Unsuitable cleaning agents or cleaning cloths
could scratch or damage the plastic light len- ses.
XClean the plastic lenses of the exterior light-
ing using a wet sponge and a mild cleaning
agent, e.g. Mercedes-Benz car shampoo or
cleaning cloths.
Cleaning the mirror turn signals
!Only use cleaning agents or cleaning cloths
that are suitable for plastic lenses. Unsuitable
cleaning agents or cleaning cloths could
scratch or damage the plastic lenses of the
mirror turn signals.
XClean the plastic lenses of the mirror turn sig-
nals in the exterior mirror housing using a wet
sponge and mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning
cloths.
Cleaning AIRPANEL
!If you clean the sensors with a power
washer, make sure that you keep a distance
of at least 11.8 in (30 cm)betwee nthe vehicl e
and the power washer nozzle. Information
about the correct distance is available from
the equipment manufacturer.
Vehicles with AIRPANEL have shutters in the
radiator trim. If the vehicle is very dusty, the
adjustment range of the shutters may be restric-
ted. The actuation mechanics of the radiator
trim must then be cleaned with a power washer.
XTurn the SmartKey to position 2in the igni-
tion lock (Ypage 136).
or
XPress the Start/Stop button twice on vehicles
with KEYLESS-GO or the KEYLESS-GO start
function (
Ypage 137).
Shutters :open automatically after approx-
imately 120 seconds.
XClean the location points of shutters ;in the
radiator trim with a power washer.
Cleaning the sensors
!If you clean the sensors with a power
washer, make sure that you keep a distance
of at least 11.8 in (30 cm)betwee nthe vehicl e
and the power washer nozzle. Information
about the correct distance is available from
the equipment manufacturer.
312Care
Maintenance and care

For the correct mixing ratio refer to the infor-
mation on the antifreeze reservoir.
iAdd windshield washer fluid, e.g. MB Sum-
merFit or MB WinterFit, to the washer fluid all
year round.
Climate control system refrigerant
Important safety notes
The climate control system of your vehicle is fil-
led with refrigerant R ‑134a.
The instruction label regarding the refrigerant
type used can be found on the radiator cross
member.
!Only the refrigerant R ‑134a and the PAG oil
approved by Mercedes-Benz may be used.
The approved PAG oil may not be mixed with
any other PAG oil that is not approved for
R-134a refrigerant. Otherwise, the climate
control system may be damaged.
Service work, such as refilling with refrigerant or
replacing component parts, may only be carried
out by a qualified specialist workshop. All appli-
cable regulations, as well as SAE standard J639,
must be adhered to.
Always have work on the climate control system
carried out at a qualified specialist workshop.
Refrigerant instruction label
Example: refrigerant instruction label
:Warning symbol
;Refrigerant filling capacity
=Applicable standards
?PAG oil part number
AType of refrigerant Warning symbol
:advises you about:
RPossible dangers
RHaving service work carried out at a qualified
specialist workshop
Filling capacities
ModelRefrigerant
Mercedes-AMG
C 63
Mercedes-AMG
C 63 S21.5 ± 0.4 oz
(610 ± 10 g)
Allot her models22.2 ± 0.4 oz
(630 ± 10 g)
ModelPAG oil
Mercedes-AMG
C 63
Mercedes-AMG
C 63 S4.2 oz
(120 g)
All other models2.8 oz (80 g)
Vehicle data
General notes
Please note that for the specified vehicle data:
RThe heights specified may vary as a result of:
-Tires
-Load
-Condition of the suspension
-Optional equipment
ROptional equipment reduces the maximum
payload
Vehicle data367
Technical data
Z