2019 MERCEDES-BENZ CLA COUPE tire size

De
tecting risks, avoiding dan ger Securing sy
stems forch ild restra int sy stems
in theve hicle
Only use thefo llowing securing sy stems forch ild
re stra int sy stems:
R the ISOFIX or i-Size mounting brac kets
R theve hicle's seat belt sy stem
R theTo pTe ther anchorages
Fitting an ISOFIX or an i-Size child restra int sys‐
te m is prefer red.
Simply attaching tothe securing rings on the
ve hicle can reduce therisk of fitting thech ild
re stra int sy stem incor rectly.
When secu ring a child with the integrated seat
belt of the ISOFIX or i-Size child restra int sys‐
te m, alw ays comply with the permissible gross
we ight forth ech ild and child restra int sy stem
(/ page 63).
Ad vantage of a rear wa rd-facing child
re stra int sy stem
It is preferable totranspo rta baby or a small
ch ild in a suitable rear wa rd-facing child restra int sy
stem. In this case, thech ild sits in the oppo‐
site direction tothe direction of tr avel and faces
ba ckwa rds.
Babies and small children ha vecompa ratively
we ak neck muscles in relation tothe size and
we ight of their head. The risk of injury tothe cer‐
vical spine during an accident can be reduced in
a re ar wa rd-facing child restra int sy stem.
Alw ays secure a child restra int sy stem cor‐
re ctly &
WARNING Risk of inju ryor death caused
by incor rect ins tallation of thech ild
re stra int sy stem
If th ech ild restra int sy stem is incor rectly
ins talled on a suitable seating position, it
cannot per form its intended pr otective func‐
tion.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction. #
Alw ays comply with the manufacturer's
ins tallation instructions forth ech ild
re stra int sy stem and its cor rect use. #
Makesure that the entire base of the
ch ild restra int sy stem alw aysre sts on
th e sitting sur face of the seat. #
Never place objects under or behind
th ech ild restra int sy stem, e.g. cush‐
ions. #
Alw ays use child restra int sy stems with
th e original co ver designed forth em. #
Alw aysre place damaged co vers with
ge nuine co vers. &
WARNING Risk of inju ryor death from
unsecured child restra int sy stems in the
ve hicle
If th ech ild restra int sy stem is not cor rectly
ins talled or secured, it could release in the
ev ent of an accident, sudden braking or a
sudden change in direction.
The child restra int sy stem could be flung
around and hit vehicle occupants. Occupant saf
ety51

Obser
vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page67).
O Wh
en using a category 0/0+ baby car
seat and a category I rear wa rd-facing
ch ild restra int sy stem on a rear seat:
adju stthe front seat so that the seat does
not touch thech ild restra int sy stem.
O When using a category I
forw ard-facing
ch ild restra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble.
Af terre moving thech ild restra int sy stem,
re place the head restra ints again immedi‐
ately and adjust them cor rectly.
O The ba
ckrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of there ar
seat.
O Fo
r cer tain child restra int sy stems of weight
category II or III there may be limitations for
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of. O
The
child restra int sy stem must not be put
under stra in between thero of and the seat
cushion and/or be fitted facing the wrong
direction. If possible, adjust the seat cush‐
ion angle as appropriate.
O The
child restra int sy stem must not be put
under stra in by the head restra int. Adjust
th e head restra ints according ly.
O Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat slightly forw ards. #
Fitthech ild restra int sy stem.
The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
re ar seat. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem.
The shoulder belt stra p must be routed for‐
wa rds and down wards from the seat belt out‐
let. Note
s onvehicles without automatic front
passen ger front airbag shu toff St
icke r visible when the front passenger door
is open
Ve hicles without automatic front passenger front
airbag shutoff ha vea special sticke r af fixe dto
th e side of the cockpit on the front passenger
side. 70
Occupant saf ety

R
When using a rear wa rd-facing child restra int
sy stem on the front passenger seat, the front
passenger front airbag must alw ays be disa‐
bled. This is only the case if thePA SSENGER
AIR BAG OFF indicator lamp is lit continu‐
ously (/ page 46).
R Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off, the front passenger front airbag
is enabled. The front passenger front airbag
may deploy during an accident.
Securing the child restra int sy stem with the
seat belt on the front passenger seat
When fitting a belt-secu redch ild restra int sys‐
te m on the front passenger seat, alw ays obser ve
th efo llowing:
O Obser
vethech ild restra int sy stem manufac‐
turer's ins tallation and operating instruc‐
tions.
O Fo
r a child restra int sy stem in the "Univer‐
sal" or "Semi-Universal" categor y,make
sure that the sy stem has been appr ovedfor
th eve hicle seat. Obser
vethe no tes under "Suitability of
seats for attaching belt-secu redch ild
re stra int sy stems" (/ page67).
O When using a
forw ard-facing child restra int
sy stem in Group I: remo vethe head
re stra int from there spective seat, if possi‐
ble.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints again
immediately and adjust them cor rectly.
O The ba
ckrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
O Fo
r cer tainch ild restra int sy stems of weight
category II or III there may be limitations for
th e maximum size setting, e.g. due topossi‐
ble con tact wi th th ero of.
O The
child restra int sy stem must not be ten‐
sioned between thero of and the seat cush‐
ion and/or be fitted facing the wrong direc‐
tion. Adjust the seat backrest inclination
according ly. O
The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints accordingly.
O Ne
ver place objects under or behind the
ch ild restra int sy stem, e.g. cushions. #
Set the front passenger seat as far back as
possible and mo vethe seat into the highest
position. #
Fully retract the seat cushion length adjust‐
ment. #
Adjust the seat cushion inclination so that
th e front edge of the seat cushion is in the
highest position and there ar edge of the
seat cushion is in the lo west position. #
Set the seat backrest toan almost vertical
position. #
Fitthech ild restra int sy stem.
The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat. #
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt 72
Occupant saf ety

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