2018 MERCEDES-BENZ C-CLASS COUPE Owners Manual

Before pu
rchasing and using non-appr oved
accesso ries, visit a qualified specialist workshop
and enquire about:
R Suitability
R Legal stipulations
R Factory recommendations 000A
WARNING Risk of accident wi thhigh
per form ance tyres
The special tyre tread in combination with
th e optimised tyre compound, means that
th erisk of skidding or hydroplaning on wet
ro ads is inc reased.
In addition, the tyre grip is greatly reduced at
a low outside temp erature and tyre running
te mp erature. 0007
Switch on the ESP ®
and adapt your
driving style accordingly. 0007
Use M+S tyres at outside temp eratures
of less than 50 °F. Obse
rveth efo llowing when selecting, fitting and
re placing tyres:
R Countr y-specific requirements for tyre
appro valth at define a specific tyre type for
yo ur vehicle.
Fu rthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can
be highly beneficial.
R Only use tyres and wheels of the same type
(summer tyres, winter tyres, MOEx tended
tyres) and the same make.
R Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Only fit tyres of the cor rect size onto the
wheels.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral operating pe rmit. R
Vehicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
R Attemp eratures below 7 °C, use winter tyres
or all-season tyres mar ked M+S for all
wheels.
Wi nter tyres bearing the004D snowflake
symbol in addition tothe M+S marking pro‐
vide the best possible grip in wintry road
conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres fitted.
If th is is below theve hicle's maximum speed,
th is must be indicated byan appropriate
label in the driver's field of vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear. 446
Wheels and tyres

R
When replacing with tyres that do not
fe ature run-flat characteristics: vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres.
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (0013 page 435)
R Tyre pressure table (0013 page 436)
R Notes on the emer gency spa rewheel
(0013 page 454) Note
s on inter changing wheels 000A
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions may se
verely impair the driving characteris‐
tics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. 0007
Rotate front and rear wheels on lyifthe
wheels and tyres are of the same
dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R Front wheels wear more on the shoulder of
th e tyre
R Rear wheels wear more in the cent reofthe
tyre
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5,000 to10,000 km, depending on thewe ar.
Ensure the direction of rotation is maintained for
th e wheels. It is imperative
toobser vethe instructions and
saf ety no tes on "Changing a wheel" when doing
so Preparing theve hicle for a wheel
ch ange( 0013 page448). Note
s onstoring wheels When
storing wheels, obser vethefo llowing
no tes:
R Afterre moving wheels, store them in a cool,
dry and preferably dark place.
R Protect the tyres from conta ct withoil,
grease or fuel. Overview of
the ty re-change tool kit Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
Apa rtfrom some countr y-specific variants, vehi‐
cles are not equipped with a tyre-change tool kit.
Fo r more information on which tyre-changing
to ol kits are requ ired and appr ovedfo r per form‐
ing a wheel change on your vehicle, consult a
qu alified specialist workshop. Wheels and tyres
447

Yo
ure qu ire thefo llowing tools, for ins tance, to
ch ange a wheel:
R jack
R chock
R wheel wrench
R centri ng pin
0009 The jack weighs appr oximately 2.1 kg.
The maximum load capacity of the jack can
be found on thest icke r af fixe dto the jac k.
The jack is maintenance-free. If there is a
malfunction, please conta ct aqualified spe‐
cialist workshop.
The tyre-change tool kit is located under the
boot floor. 1
Wheel wrench
2 Folding chock
3 Jack Setting up
thefo lding chock Prepa
ring theve hicle for a wheel change Re
quirements:
R The requ ired tyre-change tool kit is available.
If yo ur vehicle is not equipped with the tyre-
ch ange tool kit, consult a qualified specialist
wo rkshop tofind out about suitable tools. 448
Wheels and tyres

R
The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. 0007
Apply the electric parking brake manually. 0007
Movethe front wheels tothest ra ight-ahead
position. 0007
Vehicles with manual transmission:
engage firs t or reve rsege ar. 0007
Vehicles with automatic transmission:
shift into position 005D. 0007
Vehicles with le vel control sy stem: setthe
normal vehicle le vel (0013 page 220). 0007
Swit choff the engine. 0007
Make sure that the engine cann otbe star ted. 0007
Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel you wish tochange. 0007
Remo vethe hub caps if necessary
(0013 page449). 0007
Raise theve hicle (0013 page 450). Re
moving and fitting hub caps Re
quirements:
R The vehicle is prepared for a wheel change
(0013 page448).
Plas tic hub cap 0007
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. 0007
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. 0007
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly. Aluminium hub cap 0007
Toremo ve:position soc ket2 on hub cap
1.
0009 The soc ket can be found in the tyre-change
to ol kit. 0007
Position wheel spanner 3on soc ket2. 0007
Using wheel spanner 3, turn hub cap1
anti-clo ckwise and remo veit. 0007
Tofit: position hub cap 1and turn until it is
comple tely flush with the wheel. 0007
Position soc ket2 on hub cap 1. Wheels and tyres
449

0007
Attach wheel spanner 3tosoc ket2 and
tighten the hub cap clockwise.
Specified tightening torq ue: 25 Nm. Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (0013 page448).
R The hub caps ha vebeen remo ved
( 0013 page449).
Impor tant no tes on using the jack:
R Use only theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle.
R The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
fl at, load-bearing, non-slip unde rlay. R
The foot ofthe jack must be positioned verti‐
cally under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Never lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 0007
Using the wheel wrench, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe bolts
comple tely. 450
Wheels and tyres

Po
sition of jack support points
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. 000A
WARNING Risk of inju ryfrom incor rect
positioning of the jack
If yo u do not position the jack cor rectly at
th e appropriate jacking point of theve hicle,
th e jack could tip with theve hicle raised. 0007
Only position the jack at the appropri‐
ate jacking point of theve hicle. The
base of the jack must be positioned ver‐ tically under
the jacking point of the
ve hicle. 000E
NO
TEVehicle damage from the jack If
yo u do not position the jack cor rectly at
th e appropriate jack support point of the
ve hicle, the jack could tip over with theve hi‐
cle raised. 0007
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. 0007
Position jack 2at jack support point 1. 0007
Turn crank 3clockwise until jack 2sits
compl etely on jack support point 1and the
base of the jack lies evenly on the ground. 0007
Turn crank 3until the tyre is raised a maxi‐
mum of 3 cm from the ground. 0007
Loosen and remo vethe wheel
(0013 page 452). Wheels and tyres
451

Re
moving a wheel Re
quirements:
R The vehicle is raised (0013 page 450).
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
When changing a wheel, avoid applying any force
to the brake discs, since this could impair the
le ve l of com fort when braking.
000E NO
TEDama getothre ading from dirt on
wheel bolts 0007
Do not place wheel bolts in sand or on
a dirty sur face. 0007
Unscr ew the uppermost wheel bolt com‐
ple tely. 0007
Screw centring pin 1instead of the wheel
bolt into theth re ading. 0007
Unscr ew there maining wheel bolts fully. 0007
Remo vethe wheel. 0007
Fitthe new wheel (0013 page 452). Fi
tting a new wheel Re
quirements:
R The wheel is remo ved (0013 page 452).
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. 000A
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause the wheel bolts/
wheel nuts tocome loose.
As a result, you could lose a wheel while driv‐
ing. 0007
Never oil or grease theth re ads. 0007
Intheeve nt of dama getotheth re ads,
con tact a qualified specialist workshop
immediatel y. 0007
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. 0007
Do not continue driving. 0007
Obser vethe information on thech oice of
tyres (0013 page444).
Fo r tyres with a specified direction of rotation,
an ar rowonthe side wall of the tyre indicates
th e cor rect di rection of rotat ion. Obser vethe
direction of rotation when fitting. 452
Wheels and tyres

0007
Slide the wheel tobe mounted onto the cen‐
tring pin and push it on. 000A
WARNING Risk of inju ryfrom tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. 0007
Only tighten wheel bolts or wheel nuts
when theve hicle is on the ground. 0007
Be sure toobser vethe instructions and
saf ety no tes on "Changing a wheel"
(0013 page444). 0007
For saf etyre asons, on lyuse wheel bolts
which ha vebeen appr ovedby Mercedes-
Benz and forth e wheel in question. 0007
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
fi nger-tight. 0007
Unscr ew the cent ring pin. 0007
Tighten the last wheel bolt until it is finger-
tight. 0007
Ifth e collapsible emer gency spa rewheel has
been fitted, infla tethe collapsible emer gency
spa rewheel (0013 page 455). 0007
Lowe rth eve hicle (0013 page 453). Lo
weri ngtheve hicle af ter a wheel change Re
quirements:
R The new wheel has been fitted
(0013 page 452).
000E NO
TEDama getothe emer gency spa re
wheel when lo wering theve hicle Lo
we ring theve hicle without pr eviously
inflating the emer gency collapsible spa re
wheel can damage its rim. 0007
Inflate the emer gency collapsible spa re
wheel using the tyre inflation compres‐
sor before lo wering theve hicle. 0007
Tolowe r the vehicle: turnthe crank of the
jack anti-clo ckwise until theve hicle is once
again standing firm lyon the ground. 0007
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated (1 to5 ).
Specified tightening torq ue: 130 Nm. 000A
WARNING Risk of inju rythro ugh incor‐
re ct tigh tening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed tightening torque. 0007
Makesure the wheel bolts or wheel
nuts are tightened tothe prescribed
tightening torque. 0007
Ifyo u are not sure, do not mo vethe
ve hicle. Consult a qualified specialist Wheels and tyres
453