2019 MERCEDES-BENZ CLA COUPE tire pressure

R
Vehicles with Mercedes me connect: you
can make a call for breakdown assi stance via
th eove rhead control panel in the case of a
breakdown .
R Allvehicles: change the wheel
(/ page 500).
% The emer gency spa rewheel is only available
in cer tain countries. Note
s on MOExtended tyres (run-flat tyres) &
WARNING Risk of accident when driving
in eme rgency mode
When driving in emer gency mode, the han‐
dling characteristics are impaired. e.g. when
cornering, when accelerating stronglyand
when braking. #
Do not exceed the permissible maxi‐
mum speed. #
Avoid any abrupt steering and driving
maneuvers as well as driving over
obs tacles (curbs, pot holes, off-road). This applies, in pa
rticular, toa loaded
ve hicle. #
Stop driving in the emer gency mode if
yo u notice:
R banging noise
R vehicle vibration
R smoke which smells like rubber
R continuous ESP ®
inter vention
R crac ksin tire side walls #
After driving in emergency mode ha ve
th erims checkedby aqu alified special‐
ist workshop with rega rd totheir fur ther
use. #
The defective tire must be replaced in
eve rycase. Wi
th MOExtended tyres (run-flat tyres), you can
continue todrive your vehicle even if there is a
tot al loss of pressure in one or more tyres. How‐
eve r,th e tyre af fected must not show any clearly
visible damage. Yo
u can recognise MOExtended tyres bythe
MOExtended marking which appears onthe side
wa ll of the tyre.
Ve hicles with tyre pressure loss warning sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure loss
wa rning sy stem.
Ve hicles with tyre pressure monitoring sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure mon‐
itoring sy stem.
If a pressure loss warning message appears in
th e multifunction displa y,proceed as follo ws:
R Check the tyre for dama ge.
R If driving on, obser vethefo llowing no tes. Breakdown assis
tance 465

Driving distance possible in eme
rgency
mode af ter the pressure loss warning: Load condition Driving distance pos‐
sible in emergency
mode
Pa rtially laden 80 km
Fu lly laden 30 kmThe driving dis
tance possible in emergency
mode may vary depending on the driving style.
Obser vethe maximum permissible speed of
80 km/h.
If a tyre has gone flat and cannot be replaced
with an MOEx tended tyre, you can use a stand‐
ard tyre as a temp orary measure. TIREFIT kit
storage location The TIREFIT kit is located under
the boot floor. 1
Tyre sealant bottle
2 Tyre inflation compressor
% You can find information on the po wer cate‐
gory (LK) and/or electrical data on the back
of the tyre inflation compressor:
R LK2 – 12V/15 A,180W, 0.8 kg
At a dis tance of appr oximately 1 m tothe
tyre inflation compressor and appr oximately
1. 6 m abo vethe ground, thefo llowing sound
pressure le vels apply:
R Emissions sound pressure le vel
L PA 83 dB (A)
R Sound po wer le vel L
WA 91
dB (A) The tyre inflation compressor is mainte‐
nance-free. If
there is a malfunction, please
conta ct aqualified specialist workshop. Using
the TIREFIT kit Re
quirements:
R Tyre sealant bottle
R TIREFIT sticker
R Tyre inflation compressor
R Gloves (depending on theve hicle equipment)
TIREFIT kit storage location: (/ page 466)
Yo u can use TIREFIT tyre sealant toseal per fora‐
tion dama geof up to4 mm, particular lythose in
th e tyre conta ct surface. You can use TIREFIT in
outside temp eratures down to-20 °C. &
WARNING Risk of accident when using
tyre sealant
In thefo llowing situations in particular, the
tyre sealant is unable toprov ide suf ficient 466
Breakdown assis tance

#
Drive forw ards or reve rseve ry slowly for
appr oximately 10m. #
Pump up the tyre again.
Af ter a maximum of ten minu testh e tyre
pressure must be at least 200 kPa (2.0 bar/
29 psi). &
WARNING Risk of accident due tothe
specified tyre pressure not being ach‐
ie ved
If th e specified tyre pressure is not achie ved
af te rth e specified time, the tyre is too badly
damaged. The tyre sealant cannot repair the
tyre in this ins tance.
Dama ged tyres and a tyre pressure that is
to o low can significantly impair braking and
handling characteristics. #
Do not drive on. #
Consult a qualified specialist workshop. If, af
terte n minutes, a tyre pressure of
200 kPa (2.0 bar/29 psi) has been achie ved: #
Switch off the tyre inflation compressor. #
Unscr ew thefilling hose from theva lve of the
defective tyre. &
WARNING Risk of accident from driving
wi th sealed tyres
A tyre temp orarily sealed with tyre sealant
impairs driving characteristics and is not
suitable for higher speeds. #
Adapt your driving style according lyand
drive carefull y. #
Do not exceed the maximum speed
limit with a tyre that has been repaired
using tyre sealant. #
Obser vethe maximum permissible speed for
a tyre sealed with tyre sealant 80 km/h. #
Affix th e upper section of the TIREFIT sticker
to the instrument clus ter in a location where
it will be easi lyseen bythe driver.
* NO
TEStaining from leaking tyre sealant Af
ter use, excess tyre sealant may leak out
from thefilling hose. #
Therefore, place thefilling hose in the
plastic bag that con tained the TIREFIT
kit. +
ENVIRONMEN
TALNO TEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal Ty
re sealant contains polluta nts. #
Have the tyre sealant bottle disposed of
professionall y,e.g. at a Mercedes-Benz
Service Centre. #
Stow th e tyre sealant bottle, the tyre inflation
compressor and thewa rning triangle. #
Pull away immediatel y. #
Stop driving af ter appro ximately ten minu tes
and check the tyre pressure using the tyre
inflation compressor.
The tyre pressure must now be at least
13 0 kPa (1.3 bar/19 psi). Breakd
own assi stance 469

Note
s on noise or unusual handling charac‐
te rist ics
While driving, pay attention tovibrations, noises
and unusual handling characteristics, e.g. pulling
to one side. This may indicate that the wheels or
tyres are damaged. If you suspect that a tyre is
defective, reduce your speed immediatel y.Stop
th eve hicle as soon as possible tocheck the
wheels and tyres for dama ge. Hidden tyre dam‐
age could also be causing the unusual handling
ch aracteristics. If youfind no signs of damage,
ha ve the tyres and wheels checked at a qualified
specialist workshop. Note
s onregular lyinspecting wheels and
tyres &
WARNING Risk of accident from dam‐
aged tyres
Dama ged tyres can cause tyre pressure loss.
As a result, you could lose cont rol of your
ve hicle. #
Check the tyres regularly for signs of
dama geand replace any damaged tyres
immediatel y. Car
ryout thefo llowing checks on all wheels reg‐
ularly, at least once a month or as requ ired, e.g.
prior toa long journey or driving off- road:
R Check the tyre pressure (/ page 486).
R Visually inspect tyres and wheels for dam‐
age.
R Check theva lve caps.
The valves must be pr otected against mois‐
ture and dirt bytheva lve caps appr oved
especially foryo ur vehicle byMercedes-Benz.
R Visual check of the tyre tread dep thand the
tyre contact su rface across the entire width.
The minimum tread dep thfor summer tyres
is 3 mm and for winter tyres 4 mm. Note
s on snow chains &
WARNING Risk of accident due toincor‐
re ct snow chain fitting
If yo ufit snow chains tothere ar wheels, the
snow chains may grind against theve hicle
body or chassis components.
This could cause damage totheve hicle or
th e tyres. #
Neverfit snow chains tothere ar
wheels. #
Alw aysfit snow chains tothe front
wheels in pairs. *
NO
TEDama getocomponents of the
ve hicle body or chassis due tofitted
snow chains If
yo ufit snow chains tothe front wheels of
4MATIC vehicles, you may damage co mpo‐
nents of theve hicle body or chassis. #
Onlyfit snow chains tothere ar wheels
of 4MATIC vehicles. Wheels and tyres
485

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.
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.
% You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(/ page 207).
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 (/ page 486)
R Tyre pressure table (/ page 487)
R Notes on the emer gency spa rewheel
(/ page 504) Note
s on inter changing wheels &
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. #
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( /page 500). 498
Wheels and tyres

Live
Traf fic Information ....................... 368
Overview ............................................. 367
Re gis tering Live Traf fic Information ..... 368
Switching on the display ......................3 70
Tr af fic map
see Map
Tr af fic Sign Assist .................................. .244
Fu nction/no tes ................................... 24 4
Setting ................................................. 24 6
Sy stem limitations ...............................2 44
Tr ailer hitch
Axle load ............................................. 526
Bicycle rack ......................................... 255
Ca re .................................................... 458
Coupling up/uncoupling a trailer ........ 254
Fa stening points ..................................5 24
Fo lding the ball neck out/in ................2 52
Gene ral no tes ...................................... 524
Mounting dimensions .......................... 524
No tes .................................................. 252
Overhang dimension ............................5 24
Soc ket ................................................. 254
To ngue weight .................................... .526
To wing capacity .................................. .525 Tr
ailer operation
Ac tive Blind Spot Assi st....................... 24 8
Ac tive Lane Keeping Assist .................. 24 9
Bicycle rack ......................................... 255
Coupling up/uncoupling a trailer ........ 254
Fo lding the ball neck out/in ................2 52
No tes .................................................. 252
Soc ket ................................................. 254
Tr ailer stabilisation
Fu nction/no tes ................................... 19 6
Tr ansfer redve hicle data
Android Auto ....................................... 409
Apple CarPl ay™ ................................... 409
Baidu CarLife ....................................... 409
Tr ansmission (problem) ..........................174
Tr ansmission position display ................17 0
Tr anspo rting
Ve hicle .................................................4 79
Tr im element (Care) ................................ 460
Tr ip
Menu (on-board computer) .................. 265
Tr ip computer
Displaying ............................................ 265 Re
setting ............................................. 266
Tr ip distance ............................................ 265
Displaying ............................................ 265
Re setting ............................................. 266
Tr ip me ter
see Trip dis tance
Tu rn signal indicator
see Turn signal lights
Tu rn signal lights .....................................1 30
Changing bulbs (rear) .......................... 13 9
Switching on/off ................................. 13 0
Tw o phone mode
see Second telephone
Tw o-w ayradios
Fr equencies ......................................... 511
No tes on ins tallation ............................ 51 0
Tr ansmission output (maximum) .......... 511
Ty re inflation compressor
see TIREFIT kit
Ty re pressure ........................................... 487
Checking (ty repressure monitoring
sy stem) ............................................... 488
No tes .................................................. 486 Index
633

Re
starting the tyre pressure loss
wa rning sy stem ................................... 494
Re starting the tyre pressure monitor‐
ing sy stem ...........................................4 89
TIREFIT kit .......................................... .466
Ty re pressure loss warning sy stem
(function) ............................................. 494
Ty re pressure monitoring sy stem
(function) ............................................. 488
Ty re pressure table .............................. 487
Ty re pressure loss warning sy stem
Fu nction .............................................. 494
Re starting ............................................ 494
Ty re pressure moni toring sy stem
Checking the tyre pressure ................. 488
Fu nction .............................................. 488
Re starting ............................................ 489
Te ch nical da ta..................................... 490
Ty re pressure table ................................. 487
Ty re temp erature
Ty re pressure monitoring sy stem
(function) ............................................. 488
Ty re tread ................................................. 485 Ty
re-change tool kit
Overview ............................................ .499
Ty res
Changing hub caps .............................. 500
Checking ............................................ .485
Che cking the tyre pressure (tyre
pressure monitoring sy stem) ............... 488
Fitting .................................................. 503
Flat tyre ............................................... 464
Inter changing ...................................... 498
MOExtended tyres .............................. .465
Noise ................................................... 485
No tes on fitting ................................... 495
Re moving ............................................ 502
Re placing .................................... 495, 500
Re starting the tyre pressure loss
wa rning sy stem ................................... 494
Re starting the tyre pressure monitor‐
ing sy stem ...........................................4 89
Selection ............................................. 495
Snow chains ........................................ 485
St oring ................................................ 499
TIREFIT kit ...........................................4 66
Ty re pressure (N otes) .......................... 486 Ty
re pressure loss warning sy stem
(function) ............................................. 494
Ty re pressure monitoring sy stem
(function) ............................................. 488
Ty re pressure table .............................. 487
Un usual handling characteristics ........ 485 U
Un its of measurement
Setting ................................................ .332
Un locking setting ...................................... 77
USB port ...................................................1 24
User profile see Profile V
Ve hicle ...................................................... 15 9
Ac tivating/deactivating standby
mode .................................................. .191
Ad ditional door lock .............................. 80
Cor rect use ........................................... 30
Dama gedetection (pa rking) ................ 189
Data acquisition .................................... 30
Data storage .......................................... 30 634
Index

Lo
we ring theve hicle ........................... 503
Preparation ......................................... 500
Ra ising theve hicle .............................. 500
Re moving a wheel .............................. .502
Re moving/fitting hub caps .................. 500
Wheel change
see Emer gency spa rewheel
Wheel rotation ........................................ .498
Wheels Care .................................................... 458
Changing hub caps .............................. 500
Checking ............................................. 485
Checking the tyre pressure (tyre
pressure monitoring sy stem) ............... 488
Fitting .................................................. 503
Flat tyre ............................................... 464
Inter changing ...................................... 498
MOExtended tyres .............................. .465
Noise ................................................... 485
No tes on fitting ................................... 495
Re moving ............................................ 502
Re placing .................................... 495, 500
Re starting the tyre pressure loss
wa rning sy stem ................................... 494 Re
starting the tyre pressure monitor‐
ing sy stem ...........................................4 89
Selection ............................................. 495
Snow chains ........................................ 485
St oring ................................................ 499
TIREFIT kit ...........................................4 66
Ty re pressure (N otes) .......................... 486
Ty re pressure loss warning sy stem
(function) ............................................. 494
Ty re pressure monitoring sy stem
(function) ............................................. 488
Ty re pressure table .............................. 487
Un usual handling characteristics ........ 485
Wi -Fi ........................................................ .328
Overview ............................................. 328
Setting ................................................. 329
Setting up a hotspot ............................ 330
Setting up an Internet connection ....... 422
Wi descreen co ckpit instrument dis‐
play
Instrument clu ster ................................. 12
Wi ndow airbag ...........................................41
Wi ndo ws
see Side windo ws Wi
ndo ws(Care) ...................................... .458
Wi ndscreen ..............................................1 46
Defrosting ............................................ 14 6
Wi ndscreen
see Windsc reen
see Windshield
Wi ndscreen washer fluid ........................ 522
No tes .................................................. 522
Wi ndscreen washer sy stem
To pping up ...........................................4 51
Wi ndscreen wipers
Changing the wiper blades .................. 14 0
Switching on/off ................................. 14 0
Wi ndshield ............................................... 14 0
Changing the wiper blades .................. 14 0
Wi ng
see Front wheel ar ch
Wi nter operation
Snow chains ........................................ 485
Wi nter tyres
Setting the permanent speed limita‐
tion ...................................................... 207 Index
637