warning MERCEDES-BENZ C-CLASS SALOON 2018 Owner's Guide

Fr
ont passenger seat Left/rightrear seat
i-Size child restra int sy stem
(ISO/R2, ISO/F2X, ISO/B2,
ISO/B3) Xi
‑U
X Not suitable for an i-Size child restra int sy stem in the "Universal" categor y.i-U Suitable forfo rw ard-facing and rear wa rd-facing i-Size child restrai nt sy stems
in the "Universal" categor y.Fi
tting the ISOFIX or i‑Size child restra int
sy stem on there ar seat 000A
WARNING Risk of inju ryifth ere ar
ben chseat/rear seat and seat backrest
are not engaged
If th ere ar ben chseat/rear seat and seat
backrest are not engaged they could fold for‐
wa rds, e.g. when braking suddenly or in the
ev ent of an accident.
R Ifth is is the case, theve hicle occupant
wo uld be forc ed into the seat belt bythe
re ar ben chseat/rear seat or bythe seat
backrest. The seat belt cann otprotect as intended and could
result in additional
injur y.
R Objects or loads in the boot/load com‐
partment cann otbe restra ined bythe
seat backrest. 0007
Make sure that the seat backrest and
th ere ar ben chseat/rear seat are
engaged before everytrip. If
th ere ar seat backrest is not engaged and
loc ked, there d lock verification indicator will be
visible. 000A
WARNING Risk of inju ryor death if the
permissible gross mass of thech ild and
ch ild restra int sy stem toget her is excee‐
ded
Fo r ISOFIX or i‑Size child restra int sy stems in
which thech ild is secured using the seat belt
integrated in thech ild restra int sy stem, the
permissible gross mass of thech ild and child
re stra int sy stem is 33 kg.
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 33 kg,th e ISOFIX
or i‑Size child restra int sy stem with integra‐
te d seat belt does not of fer suf ficient pr otec‐
tion. Too much load may be placed on the60
Occupant saf ety

0073
The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints according ly. When
fitting an i‑Size child restra int sys‐
te m, obser vethefo llowing:
0073 When using a
rear wa rd-facing child
re stra int sy stem: adjust the front seat so
th at it does not touch thech ild restra int sys‐
te m.
0073 When using a
forw ard-facing child
re stra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble. In addition, the seat backrest of the
ch ild restra int sy stem must, as far as possi‐
ble, lie flat against the backrest of theve hi‐
cle seat.
When youre mo vethech ild restra int sys‐
te m, ins tallth e head restra int again immedi‐
ately and adjust all the head restra ints cor‐
re ctly. 1
ISOFIX mounting brac ket
2 i‑Size mounting brac ket
Before every trip, make sure that the ISOFIX
ch ild restra int sy stem or the i‑Size child restra int
sy stem is engaged cor rectly in bo thmounting
brac kets in theve hicle. 000E
NO
TEBe careful not todamage the seat
belt forth e cent reseat when fitting the
ch ild restra int sy stem 0007
Make sure that the seat belt is not trap‐
ped. 0007
Attach the ISOFIX or i‑Size child restra int sys‐
te m to both mounting brac kets in theve hicle. Securing
TopTe ther 000A
WARNING Risk of inju ryor death if the
re ar seat backrests are not loc ked af ter
fi tting TopTe ther belts
If th ere ar seat backrests are not loc ked, they
could fold forw ards in theeve nt of an acci‐
dent, heavy braking or sudden changes of
direction.
As a result, child restra int sy stems cann ot
per form their intended pr otective function.
Re ar seat backrests that are not loc ked can
also cause additional injuries, e.g. in the
ev ent of an accident. 62
Occupant saf ety

We
ight category
Front passenger front airbag enabled 1
Front passenger front airbag disabled 1, 2
Category III: 22to36 kg UF,LU , L
X Not suitable forch ildren in this we ight categor y.
UF Suitable forfo rw ard-facing child restrai nt sy stems of the "Universal" category
in this we ight categor y. L Suitable
for semi-universal child restrai nt sy stems according totheta ble in "Rec‐
ommended child restra int sy stems", or if theve hicle and the seat are lis ted in the
ch ild restra int sy stem manufacturer's vehicle model list.
U Suitable forch ild restrai nt sy stems of the "Universal" category in this we ight cat‐
egor y. Securing
thech ild restra int sy stem with the
seat belt on there ar seat 000A
WARNING Risk of inju ryifth ere ar
ben chseat/rear seat and seat backrest
are not engaged
If th ere ar ben chseat/rear seat and seat
backrest are not engaged they could fold for‐
wa rds, e.g. when braking suddenly or in the
ev ent of an accident.
R Ifth is is the case, theve hicle occupant
wo uld be forc ed into the seat belt bythe re
ar ben chseat/rear seat or bythe seat
backrest. The seat belt cann otprotect as
intended and could result in additional
injur y.
R Objects or loads in the boot/load com‐
partment cann otbe restra ined bythe
seat backrest. 0007
Make sure that the seat backrest and
th ere ar ben chseat/rear seat are
engaged before everytrip. If
th ere ar seat backrest is not engaged and
loc ked, there d lock verification indicator will be
visible.
When fitting a belt-secu redch ild restra int sys‐
te m, obser vethefo llowing:
0073 Alw
ays comply with the manufacturer's
ins tallation and operating instructions for
th ech ild restra int sy stem used.
0073 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 oved for
th eve hicle seat. 66
Occupant saf ety

Make sure
you obse rveth efo llowing informa‐
tion:
R Neverfit a rear wa rd-facing child restra int
sy stem tothe front passenger seat
R Alw aysfit a rear wa rd-facing child restra int
sy stem toa suitable rear seat
- Suitability of seats for attaching belt-
secured child restra int sy stems
(0013 page64)
- Secu rethech ild restra int sy stem with the
seat belt on there ar seat
(0013 page 66).
R Notes on rear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat (0013 page 68) Note
s onrear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat 000A
WARNING Risk of inju ryor death from
using a rear wa rd-facing child restra int
sy stem when the front passenger front
airbag is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat pr otected byan ENABLED
FRONT AIRB AGin front of it, DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. Obser
vethe specific instructions forth ere ar‐
wa rd-facing and forw ard-facing child restra int
sy stems (0013 page 69). Wa
rning notice on the front passenger sun visor
Alw ays obser vethest atus of the front passenger
front airbag on thePA SSENGER AIR BAG OFF
indicator lamp:
R If it is absolutely necessary tofit a child
re stra int sy stem tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger front airbag shutoff
(0013 page41). 68
Occupant sa fety

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. 0007
If necessar y,adjust the seat belt outlet and
th e front passenger seat according ly.Child saf
ety loc ks Ac
tivating/deactivating the child saf ety lock
fo r the rear doors 000A
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position 005Dor shifting manual trans‐
mission into idle position. R
starting the engine.
In addition, they may operate vehicle equip‐
ment and become trapped. 0007
Never lea vechildren and animals unat‐
te nded in theve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 000A
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people –particularly children – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
ev en fata l injury! 0007
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. 0007
Never lea veanimals in theve hicle unat‐
te nded. 000A
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are tra velling in theve hicle, they
could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample. 0007
Alw ays activate thech ild saf ety loc ks
ins talled if children are tra velling in the
ve hicle. 0007
Never lea vechildren unat tended in the
ve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 70
Occupant saf ety

Child saf
ety loc ksforth ere ar doors and there ar
side wind owsareavailable.
The child saf ety lock on there ar doors secures
each door separatel y.The doors can no longer
be opened from the inside. 0007
Press the le ver in direction 1(activate) or
2 (deactivate). 0007
Make sure that thech ild saf ety loc ksare
wo rking properly. Ac
tivating/deactivating the child saf ety lock
fo r the rear side windo ws 0007
Toactivate/deacti vate:press button 2.
The rear side wind owcan be opened or
closed in thefo llowing cases:
R with indicator lamp 1lit: via the switch
on the driver's door R
with indicator lamp 1off: via the switch
on the cor responding rear door or driv‐
er's door Note
s on pets in theve hicle 000A
WARNING Risk of accident and inju ry
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could possib lypress
down buttons or switches.
Thereby an animal may:
R activate vehicle equipment and become
trapped, forex ample
R swit chsystems on or off and endanger
ot her road users
Uns ecured animals may be throw n around in
th eve hicle in theeve nt of an accident or
sudden steering and braking manoeuvres
and injure vehicle occupants in the process. Occupant saf
ety71

Key
Overview of
key functions 000A
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position 005Dor shifting manual trans‐
mission into idle position.
R starting the engine. 0007
Never lea vechildren and animals unat‐
te nded in theve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 0007
Keep theve hicle key out of reach of
ch ildren. This also applies tothe Digital
Ve hicle Key if the "Digital Vehicle Key"
function is activated via Mercedes me
connect. 000E
NO
TEDama getotheke y caused by
magnetic fields 0007
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
4 Opens/closes the boot lid
0009 The key may vary from the one shown in the
diagram, depending on theve hicle equip‐
ment.
The key loc ksand unlo cksth efo llowing compo‐
nents:
R the doors
R the boot lid
R the fuel filler flap Opening and closing
73

Problem
Possible causes/consequences and 0050
0050Solutions 0007
Check the battery using the battery check lamp and replace if necessary (0013 page75). 0007
Use the emer gency keyto lock or unlock (0013 page75). 0007
Have theke ych ecked at a qualified specialist workshop.
Yo u ha velost a key. 0007
Have theke y deacti vated at a qualified specialist workshop. 0007
If necessar y,ha ve the mechanical lock changed as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. 000A
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside. If
th ere are persons in theve hicle, they can
no longer le aveth eve hicle, e.g. in hazardous
situations. 0007
Never lea vepersons unattended in the
ve hicle, particularly children, elderly
persons or persons in need of help. 0007
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO. If
th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
0009 After locking you can issue a signal with the
horn.
Yo u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (0013 page 99). Opening and closing
77

intermediate position, pull it upwards and
re lease it as soon as it begins toopen.
Wi th th e boot lid opening limiter activated,
manually pull thestopped boot lid upwards.
Ve hicles with boot lid conve nience closing
fe ature: if an object restricts the boot lid during
th e automatic opening process, obs tacle de tec‐
tion will stop the boot lid. The obs tacle de tection
function is only an aid and is not a substitu tefor
yo ur attentiveness. Closing
the boot lid 000A
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. 0007
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. 0007
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. Comply with
the loading guidelines when you are
loading theve hicle. 000A
WARNING Risk of becoming trapped
du ring au tomatic closing of the boot lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the boot lid. More‐
ove r,people, e.g. children, may be standing
in the closing area or may enter the closing
area during the closing process. 0007
Make sure that nobody is in the vicinity
of the closing area during the closing
process. 0007
Use one of thefo llowing options tostop
th e closing process:
R Press the008B button on thekey.
R Press or pull there mo teoperating
switch on the driver's door. R
Press the closing or locking button
on the boot lid.
R Pull the boot lid handle. Ve
hicles with HANDS-FREE ACCESS: it is also
possible tostop the closing process bymaking a
kicking mo vement with your foot below there ar
bumper.
Yo u ha vethefo llowing options for closing
the bo otlid: 0007
Pull the boot lid down using the handle
re cess and push it closed. 0007
Vehicles with HANDS-FREE ACCESS: with
th e boot lid comple tely opened, make a kick‐
ing mo vement with your foot below the
bumper (0013 page 85). 0007
Vehicles with boot lid conve nience clos‐
ing feature: pullthe boot lid handle and
re lease it as soon as it starts toclose. 0007
Vehicles with boot lid conve nience clos‐
ing feature: withthe boot lid stopped in an
intermediate position, push it down wards.
The boot lid will continue toclose. Opening and closing
83

0007
Vehicles with boot lid conve nience clos‐
ing feature and KEYLESS-GO: withthe boot
lid comple tely opened, press and hold the
008B button on theke y (with theke y in the
vicinity of theve hicle). 0007
Vehicles with boot lid conve nience clos‐
ing feature: pressthe boot lid remo teoper‐
ating switch 1. 0007
Vehicles with boot lid conve nience clos‐
ing feature: pressthe closing button 1on
th e boot lid. 0007
Vehicles with boot lid conve nience clos‐
ing feature and KEYLESS-GO: pressthe
locking button 2onthe boot lid.
If a key is de tected outside theve hicle, the
boot lid will close and theve hicle will be
loc ked. Boot lid automatic
reve rsing function
If an object obstructs the boot lid during the
automatic closing process, the boot lid will open
again automaticall y.The automatic reve rsing
function is only an aid and is not a substitute for
yo ur attentiveness. 0007
When the boot lid is closing, make sure that
no body parts are in the closing area. 000A
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R overth e last 8 mm of the closing path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. 0007
When closing, ma kesure that no body
parts are in the closing area. 0007
If someone is trapped, use one of the
fo llowing options:
R Press the008B button on thekey. 84
Opening and closing