2018 MERCEDES-BENZ C-CLASS SALOON door lock

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
79

0007
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. 0007
Tolock theve hicle: touch sensor sur face
1 or2. 0007
Convenience closing: touch recessed sen‐
sor su rface 2until the closing procedure is
comple te. 0009
Further information on con venience closing
(0013 page 90).
If yo u open the boot lid from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050
0050Solutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated (0013 page74).
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. 0007
Activate theke y functions (0013 page74). 0007
Check the battery using the battery check lamp and replace if necessary (0013 page75). 0007
Use the emer gency keyto unlo ckor lock theve hicle (0013 page75). 0007
Have theve hicle and keych ecked at a qualified specialist workshop. 80
Opening and closing

Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. 0007
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. 0007
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R While theve hicle is being tow star ted/
pushed.
R The vehicle is being tested on the dynamom‐
et er. Locking/unlocking
the driver's door with the
emer gency key 0009
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key. 0007
Insert the emer gency key as far as it will go
into opening 1inthe co ver. 0007
Pull and hold the door handle. 0007
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. 0007
Release the door handle. Opening and closing
81

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

R
Press 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. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or inter rupt boot lid mo vement byper form ing a
kicking mo vement under there ar bumper.
The kicking mo vement triggers the opening or
closing process alternately.
Obser vethe no tes when opening
(0013 page 82) and closing (0013 page 83)the
boot lid.
0009 Awa rning tone sounds while the boot lid is
opening or closing. 000A
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. 0007
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. 000E
NO
TEDama getotheve hicle caused by
unin tentional lyopening the boot lid: R
when using an automatic car wash
R when using a high pressure cleaner 0007
Deactivate KEYLESS-GO or make sure
that theke y located is at least 3 m
aw ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at your feet are firm ly on the ground, other‐
wise you could lose your balance, e.g. on ice.
Re quirements:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. Opening and closing
85

Problem
Possible causes/consequences and 0050
0050Solutions
Ve hicles without a panoramic slid‐
ing sunroof: the sliding sunroof does
not operate smoo thly. 0007
Push the0057 button up tothe point of resis tance until the sliding sunroof is fully open. 0007
Press the0057 button for ano ther second. 0007
Close the sliding sunroof.
Ve hicles with a panoramic sliding
sunroof: the sliding sunroof or the
ro ller sunblind does not opera te
smoo thly. 0007
Pull and hold the0057 button little bylittle until the sliding sunroof is fully closed. 0007
Pull and hold the0057 button little bylittle until thero ller sunblind is fully closed. 0007
Use automatic operation tofully open and then close the sliding sunroof. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when the boot lid is opened
R when the bonn etis opened
R when interior pr otection is triggered
(0013 page 99)
R when tow- aw ay protection is triggered
(0013 page 98) The
ATA sy stem is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Opening and closing
97

Indicator lamp
1flashes when theAT A sy stem
is primed.
The ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(0013 page169) R
afte r unlocking theve hicle using KEYLESS-
GO
0009 When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (0013 page 369).
Deactivating theATA 0007
Press the0036, 0037or008B button on the
key.
or 0007
Press thest art/ stop button with theke y in
th estow age compartment (0013 page169)
Deactivating the ala rmusing KEYLESS-GO: 0007
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed. To
w- aw ay protection is automatically primed
af te r about 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing the0036 or008B button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(0013 page169)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
In fo rm ation on de tecting damage on a pa rked
ve hicle (0013 page 201). 98
Opening and closing

Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
0018 Vehicle 0019
î Vehicle settings
0019 Tow-away protection 0007
Activate 0073or deacti vate 0053 the function.
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
Interior pr otection is automatically deactivated:
R afte r pressing the0036 or008B button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(0013 page169)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when the side window is open
R when the sliding sunroof is open
R when the panoramic sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
0018 Vehicle 0019
î Vehicle settings
0019 Interior motion sensor 0007
Activate 0073or deacti vate 0053 the function.
Interior pr otection is primed again in thefo llow‐
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Opening and closing
99