2021 MERCEDES-BENZ C-CLASS COUPE change wheel

#
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
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 tyre shoulder
R rear wheels wear more in the cent reofthe
tyre
Do not drive wi thtyres that ha vetoo little tread
dep th. This significantly reduces traction on wet
ro ads (aquaplaning).
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5000 to10,000 km, depending on thewe ar.
Ensure the direction of rotation is maintained for
th e wheels.
Obser vethe instructions and saf ety no tes on
"Changing a wheel" when doing so
(/ page 409). 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 *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
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 ols are required and appr oved for per form ing a
wheel change on your vehicle, consult a qualified
specialist workshop. Yo
ure qu ire thefo llowing tools, forex ample, to
ch ange a wheel:
R Jack
R Chock
R Wheel wrench
R Cent ring pin
% 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.
% Depending on the model, the tyre change
to ol kit may be located at other positions
under the boot floor. 408
Wheels and tyres

1
Wheel wrench
2 Folding chock
3 Jack Preparing
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.
R The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. #
Apply the electric parking brake manually. #
Movethe front wheels tothest ra ight-ahead
position. #
Vehicles with automatic transmission:
shift toposition j. #
Vehicles with le vel control sy stem: setthe
normal vehicle le vel (/ page 209). #
Swit choff the engine. #
Make sure that the engine cann otbe star ted. #
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. #
If necessar y,remo vethe wheel trim/hub
caps (/ page 409). #
Raise theve hicle (/ page410). Re
moving and fitting the wheel trim/hub
caps Re
quirements:
R The vehicle is prepared for a wheel change
(/ page 409). Pla
stic hub cap #
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. #
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. #
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly.
Aluminium hub cap #
Toremo ve:position soc ket2 from the tyre-
ch ange tool kit on hub cap 1. #
Position wheel spanner 3on soc ket2. Wheels and tyres
409

#
Using wheel spanner 3, turn hub cap1
anti-clockwise and remo veit. #
Tofit: follow the instructions abo vein
re ve rse order.
% 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 (/ page 409).
R The wheel trims and hub caps ha vebeen
re mo ved (/ page 409).
Impor tant no tes on using the jack:
R Use only a vehicle-specific jack that has
been appr oved byMercedes-Benz toraise
th eve 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. 41 0
Wheels and tyres

#
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. Po
sition of jack support points
* NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
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. #
Only position the jack at the appropri‐
ate jacking point of theve hicle. The
base of the jack must be positioned
ve rtically under the jacking point of the
ve hicle. *
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. #
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. Wheels and tyres
411

*
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
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. #
Never oil or grease theth re ads. #
Intheeve nt of damage totheth re ads,
con tact a qualified specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do not continue driving. #
Obser vethe information on thech oice of
tyres (/ page 404).
Fo r tyres with a specified direction of rotation,
an ar row on the side wall of the tyre indicates
th e cor rect di rection of rotation. Obse rvethe
direction of rotation when fitting. #
Slide the wheel tobe mounted onto the cen‐
tring pin and push it on. &
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. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on the ground. #
Be sure toobser vethe instructions and
saf ety no tes on "Changing a wheel"
(/ page 404). #
For saf etyre asons, on lyuse wheel bolts
which ha vebeen appr ovedby Mercedes-
Benz and forth e wheel in question. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
fi nger-tight. #
Unscr ew and remo vethe cent ring pin. #
Tighten the last wheel bolt until it is finger-
tight. #
Lowe rth eve hicle (/ page413). Lo
weri ngtheve hicle af ter a wheel change Re
quirements:
R The new wheel has been fitted
(/ page 412). #
Tolowe r the vehicle: turnthe crank of the
jack anti-clo ckwise until theve hicle is once
again standing firm lyon the ground. Wheels and tyres
413

Ty
re pressure loss warning sy stem
Fu nction................................................ 403
Re starting.............................................. 404
Ty re pressure moni tor
Fu nction................................................ 402
Ty re pressure moni toring sy stem
Checking the tyre pressure...................4 02
Che cking the tyre temp erature............. 402
Re starting.............................................. 403
Ty re pressure table ................................... 401
Ty re temp erature
Checking (tyre pressure monitoring
sy stem)................................................. 402
Ty re pressure monitoring sy stem
(function)............................................... 402
Ty re tread ................................................... 399
Ty re-change tool kit
Overview............................................... 408
Ty res
Checking............................................... 399
Checking the tyre pressure (tyre
pressure monitoring sy stem)................. 402
Fitting.................................................... 412Flat tyre.................................................
378
Inter changing........................................ 407
MOExtended tyres................................ .379
Noise.................................................... .399
No tes on fitting..................................... 404
Re moving............................................... 412
Re placing...................................... 404, 409
Re placing the wheel trim....................... 409
Re starting the tyre pressure loss
wa rning sy stem..................................... 404
Re starting the tyre pressure monitor‐
ing sy stem.............................................4 03
Selection............................................... 404
Snow chains.......................................... 399
St oring..................................................4 08
TIREFIT kit............................................. 380
Ty re pressure (N otes)............................4 00
Ty re pressure loss warning sy stem
(function)............................................... 403
Ty re pressure monitoring sy stem
(function)............................................... 402
Ty re pressure table................................ 401
Un usual handling characteristic s.......... 399 U
Un its of measurement
Setting................................................... 269
Un locking
see Locking/unlocking
Un locking setting ........................................ 72
Up dates
Impor tant sy stem updates..................... 273
Information............................................ 272
Pe rforming............................................. 273
Software upda tes.................................. 273
USB devices Connecting............................................3 38
USB port Front stow age compartment.................. 111
User profile Creating.................................................2 71
Importing/exporting.............................. 272
Options.................................................. 272
Setting................................................... 271 Index
537

We
ather information ................................. 302
What3words Destination entry with a 3 word
address................................................ .282
Wheel change
Fitting a new wheel................................ 412
Lo we ring theve hicle.............................. 413
Preparation........................................... 409
Ra ising theve hicle................................. 41 0
Re moving a whee l.................................. 412
Re moving/fitting hub caps.................... 409
Wheel change
see Emer gency spa rewheel
Wheel rotation........................................... 407
Wheels Care...................................................... .373
Checking............................................... 399
Checking the tyre pressure (tyre
pressure monitoring sy stem)................. 402
Fitting.................................................... 412
Flat tyre................................................. 378
Inter changing........................................ 407
MOExtended tyres................................ .379
Noise.................................................... .399 No
tes on fitting..................................... 404
Re moving............................................... 412
Re placing...................................... 404, 409
Re placing the hub cap........................... 409
Re starting the tyre pressure loss
wa rning sy stem..................................... 404
Re starting the tyre pressure monitor‐
ing sy stem.............................................4 03
Selection............................................... 404
Snow chains.......................................... 399
St oring..................................................4 08
TIREFIT kit............................................. 380
Ty re pressure (N otes)............................ 400
Ty re pressure loss warning sy stem
(function)............................................... 403
Ty re pressure monitoring sy stem
(function)............................................... 402
Ty re pressure table................................ 401
Un usual handling characteristic s.......... 399
Wi -Fi
Overview............................................... 266
Setting................................................... 266
Setting up a hotspot.............................. 267
Setting up an Internet connection........ .330 Wi
descreen co ckpit instrument dis‐
play
Instrument clu ster................................... 12
Wi ndow airbag............................................. 44
Wi ndow lif ter
see Side windo ws
Wi ndo ws
Car e...................................................... .373
Wi ndo ws
see Side windo ws
Wi ndscreen
Demisting.............................................. 13 5
Re placing the wiper blades.................... 13 0
Wi ndscreen
see Windsc reen
Wi ndscreen washer fluid
No tes....................................................4 29
Wi ndscreen washer sy stem
To pping up............................................. 368
Wi ndscreen wipers
Re placing the wiper blades.................... 13 0
Switching on/of f................................... 12 9540
Index