2018 MERCEDES-BENZ C-CLASS ESTATE lock

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. 68
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
ety69

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 theta ilgate
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 theta ilgate
R the fuel filler flap Opening and closing
71

If
th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto ge ther with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
0009 If battery check lamp 2does not light up
af te r pressing the0036 or0037 button, the
battery is dischar ged.
Re placing theke y bat tery ( 0013 page73). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
0018 Vehicle 0019
î Vehicle settings
0019 Acoustic lock 0007
Activate 0073or deacti vate 0053 the function. Ac
tivating/deactivating the panic alarm Re
quirements:
R The ignition is switched off 0009
The panic alarm function is only available in
cer tain countries. 0007
Toactivate: press button 1for appro x‐
ima tely one second.
A visual and audible alarm is triggered. 0007
Todeactivate: briefly press but ton1 again.
or 0007
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R cent ral unlocking R
unlocking the driver's door and fuel filler flap 0007
Toswitch between settings: pressthe
0036 and0037 buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selec ted:
R pressing the0036 button a second time cen‐
trally unloc kstheve hicle
R Vehicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Deactivating
theke y functions If
yo u do not use theve hicle or a keyfo r an
ex tended pe riod of time, you can reduce the
energy consum ption of there spective key.Todo
so, deactivate theke y functions. 72
Opening and closing

Mercedes-Benz
recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop. 0007
Remo vethe emer gency key ( 0013 page73). 0007
Press release button 2down fully and slide
co ver1 inthe direction of the ar row. 0007
Fold out co ver1 inthe direction of the
ar row and remo ve. 0007
Remo vebattery compartment 3and take
out the dischar ged batter y. 0007
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry when doing this. 0007
Push in battery compartment 3. 0007
Re-attach co ver1 and push it until it
engages. Problems with
thekey Problem
Possible causes/consequences and 0050
0050Solutions
Yo u can no lon ger lock or unlock the
ve hicle. Po
ssible causes:
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. 74
Opening and closing

Problem
Possible causes/consequences and 0050
0050Solutions 0007
Check the battery using the battery check lamp and replace if necessary (0013 page73). 0007
Use the emer gency keyto lock or unlock (0013 page73). 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 page97). Opening and closing
75

Un
locking/opening the doors from the inside 0007
United Kingdom onl y:obser vethe no tes on
th e additional door lock (0013 page75). 0007
Pull door handle 2.
Lo cking pin 1pops up when the door is
unloc ked. Centrally locking and unlocking
theve hicle
from the inside 0007
Tounlo ck:press button 1. 0007
Tolock: press button 2.
This does not lock or unlock the fuel filler flap.
The vehicle is not unloc ked:
R Ifyo u ha veloc kedth eve hicle using thekey. R
Ifyo u ha veloc kedth eve hicle using KEY‐
LESS-GO. Locking/unlocking
theve hicle with a Digital
Ve hicle Key Re
quirements:
R one of thefo llowing versions of the Digital
Ve hicle Key is available:
- suitable mobile phone
- Digital Vehicle Keyst icker
R theve hicle is equipped with the "Digital Vehi‐
cle Key" function.
R the "Digital Vehicle Key" function is activated
via Mercedes me connec t:http://
www.mercedes.me.
R the mobile phone must be suf ficiently
ch arge d.
0009 You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me. 76
Opening and closing

Information about suitable mobile phones
can be obtained from your Mercedes-Benz
service centre or at http://www.mercedes-
benz.com/connect.
0009 Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions.
0009 The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
0009 Protective cases around the mobile phone
can impair thera nge of functions.
If th eve hicle has been par kedfo r longer than
two weeks, the NFC aerial in the door handle is
deactivated. 0007
Pull the door handle.
The NFC aerial is activated. 0007
Touch the door handle on the driver's door in
th e area where NFC aerial 1is located with
th e part of the Digital Vehicle Key where the
NFC aerial is located.
The vehicle is loc ked or unloc ked alternately.
If yo u lose your Digital Vehicle Key,deactivate
th e "Digital Vehicle Key" service in Mercedes me
connect via http://www.mercedes.m e. Locking/unlocking
theve hicle with KEY‐
LESS-GO Re
quirements:
R The key is outside theve hicle.
R The dis tance between theke y and theve hicle
does not exceed 1 m.
R The driver's door and the door at which the
door handle is used are closed. Opening and closing
77