2018 MERCEDES-BENZ C-CLASS SALOON service

The Internet connection via Blue
tooth®
is restric‐
te d or does not function if:
R the mobile phone is switched off
R the mobile phone network co verage is insuf‐
fi cient
R mobile da tause is deactivated on the mobile
phone
R the Blue tooth®
function on the multimedia
sy stem is switched off and the mobile phone
is to be connec ted via Blue tooth®
R the Blue tooth®
function is switched off on
th e mobile phone and the mobile phone is to
be connec ted via Blue tooth®
R neither the mobile phone network nor the
mobile phone allow simultaneous use of a
te lephone and an Internet connection
R the mobile phone has not been enabled for
Internet access via Blue tooth®
If a mobile phone is connected tothe multimedia
sy stem forth efirs t time via Blu etoo th®
,yo u will
be assis tedth ro ugh the process of setting up an
Internet connection. The Internet connection can also be confi
gured
manually.
Fu rther information can be obtained at http://
www.mercedes-benz.com/connect or from a
Mercedes-Benz service centre.
Multimedia sy stem:
0018 System 0019
ö Connectivity
0019 Internet settings
Blue tooth ®
connection via PAN 0007
Select the mobile phone.
The Internet connection is es tablished.
Switching the Blu etoo th®
pr ofile
Re quirements:
R The mobile phone supports the DUN and
PA N Blue tooth®
profiles.
Multimedia sy stem:
0018 System 0019
ö Connectivity
0019 Internet settings 0007
Toswitch from DUN toPAN: select the
mobile phone. 0007
Select 0080. 0007
Select Change configuration. 0007
Activate 0073Automatic configuration.
The Internet connection is au tomatical lycon‐
fi gured using thePA N Blue tooth®
profile. 0007
Toswitch from PANto DUN: select the
mobile phone. 0007
Select 0080. 0007
Select Change configuration. 0007
Deactivate 0053Automatic configuration. 0007
Select Configure settings using COMAND . 0007
Configuri ngthe Internet connection using
preset or manual access data
(0013 page372).
Editing access data
Requ irements:
R The mobile phone supports the Blue tooth®
DUN profile. Multimedia sy
stem 373

Deleting br
owser data
Multimedia sy stem:
0018 Connect 0019
z Browser
0019 Z Options 0019
Delete browser data
The following options are available:
R All
R Cache
R Cookies
R Entered URLs
R Form data 0007
Select an option. 0007
Select Yes.
Managing bookmar ks
Multimedia sy stem:
0018 Connect 0019
z Browser
0019 ß Bookmarks
Selecting a bookmark 0007
Select an entry. Creating a bookmark 0007
Select Add new bookmark. 0007
Enter a URL and a name. 0007
Select ¡.
Editing a bookmark 0007
Highlight a bookmar k. 0007
Select p. 0007
Select Edit. 0007
Enter a URL and a name. 0007
Select ¡.
Deleting a bookmark 0007
Highlight a bookmar k. 0007
Select p. 0007
Select Delete. 0007
Select Yes.
Closing the br owser
Multimedia sy stem:
0018 Connect 0019
z Browser 0007
Select åClose browser . Internet
radio Calling up In
ternetradio
Re quirements:
R There is an account on http://
www.me rcedes.me.
R The Internet radio service is activated.
R The data volume is available.
Depending on the count ry, data volume may
need tobe pur chased.
R Afast Internet connection for data transmis‐
sion free of inter fere nce.
The services are countr y-dependent.
Fo r more information, consult a Mercedes-
Benz service centre.
Multimedia sy stem:
0018 Radio 0019
Þ Radio source 0007
Select TuneIn radio.
The Internet radio display appears. The last
st ation set starts playing.
0009 The connection quality depends on the local
mobile phone reception. Multimedia sy
stem 377

5
Search
6 Playback control 7
Media sources
8 Sound 9
Full screen (video playback only)
A Options
Sear ching for and authorising a Blue tooth ®
audio device
Requ irements:
R Blue tooth ®
is activated on the multimedia
sy stem and audio equipment
(0013 page 308).
R The audio equipment supports the Blue‐
to oth ®
audio profiles A2DP and AVRC P.
R The audio equipment is "visible" forot her
devices.
Multimedia sy stem:
0018 Media 0019
à Media sources
0019 á Bluetooth audio
Au thorising a new Blu etoo th®
audio device 0007
Select 0080. 0007
Select Add new Bluetooth audio device. 0007
Select Start search on the system .
De tected audio equipment is displ ayed in the
device list. 0007
Select a Blue tooth®
audio device.
Auth orisation starts. A code is displa yed on
th e multimedia sy stem and on the mobile
phone. 0007
Ifth e codes are identical, confi rmonthe
audio equipment.
The audio equipment is connec ted and play‐
back starts.
Selecting pr eviously authorised Blue tooth ®
audio equipment 0007
Select 0080. 0007
Select a Blue tooth®
audio device.
Establishing a connection from the Blue‐
to oth ®
audio equipment
The Blue tooth®
device name of the multimedia
sy stem is MB BLUETOOTH XXXXX. 0007
Select Search from device. 0007
Start the authorisation on the audio equip‐
ment (see manufacturer's operating instruc‐
tions).
A code is displa yed on the multimedia sys‐
te m and on the audio device. 0007
Confirm on bo thdevices if the codes are
identical.
The audio equipment is connected and play‐
back starts.
Wi th some audio equipment, playback must be
initially star ted on the device itself so that the
multimedia sy stem can play the audio files.
0009 Device-specific information on authorising
and connecting Blue tooth®
-capable mobile
phones can be obtained at http://
ww w.mercedes-benz.com/connect or from a
Mercedes-Benz service centre. 390
Multimedia sy stem

Slide show
1displ ays additional information
pr ov ided bythest ation as an image. This can
include logos, album co vers, music trac ks, pro‐
grammes, ne wsor service information, forex am‐
ple. The additional information is shown in full-
sc reen mode byselecting 2. 0007
Toactivate full-screen mode: select0008
Full screen. 0007
Todeactivate full-sc reen mode: select
0038. Ac
tivating or deactivating the frequency fix
function Multimedia sy
stem:
0018 Radio 0019
Z Options 0019
Frequency fix 0007
Activate 0073or deacti vate 0053 the function.
If th e function is activated, the set frequency
is ke pt eve n ifthere ception is poo r. Ta
gging music trac ks Multimedia sy
stem:
0018 Radio
If ra dio stations pr ovide there leva nt information,
th is function allo wsyouto trans fer information
on the music track cur rently pl aying toan
Apple ®
device. You can then pur chase the audio
fi le from theiTunes Store ®
. 0007
Select ♫→ Tag this song.
The track information is sa ved. Switching traf
fic announcements on/off Multimedia sy
stem:
0018 System 0019
õ Audio
0019 Navigation and traffic announcements 0007
Activate 0073or deacti vate 0053 the function.
or 0007
Press and hold the0063 button on the multi‐
function steering wheel. Setting
the traf fic information service vol‐
ume increase Multimedia sy
stem:
0018 System 0019
õ Audio
0019 Navigation and traffic announcements 0007
Select Traffic announcements volume
increase. 0007
Select No increase or avalue. Ac
tivating/deactivating radio text Multimedia sy
stem:
0018 Radio 0019
Z Options
0019 Display radio text information 0007
Activate 0073or deacti vate 0053 the function. TV
Information on
TVmode Ubiquito
usDTCP-MOST
Copyright ®
20 15 Ubiquitous Corp. Multimedia sy
stem 395

ASS
YST PLUS se rvice inter val display Fu
nction of the ASS YST PLUS se rvice inter val
displ ay The ASS
YST PLUS service inter val display on the
instrument display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hide this service message using the
back button on the left-hand side of thesteering
wheel.
Depending on how theve hicle is used, the
ASS YST PLUS service inter val display may
shor tenth e service inter val, e.g. in thefo llowing
cases:
R mainly short-dis tance driving
R when the engine is of ten le ftidling for long
periods
R intheeve nt of frequent cold start phases
R Vehicles with a diesel particulate filter: in
th eev ent of frequently inter rupted rege nera‐
tion of the diesel particulate filter Mercedes-Benz
recommends avoiding such
operating conditions.
Yo u can obtain fur ther information concerning
th e servicing of your vehicle from a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Displaying
the service due da te On-board computer:
0018 Service 0019
ASSYST PLUS
The next service due date is displa yed. 0007
Toexitth e displa y:press the back button
on the left-hand side of thesteering wheel.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
R Operating the on-board computer
(0013 page271). Infor
mation on regular maintenance work 000E
NO
TEPremature wearthro ugh failure to
obser veservice due dates Service
workwhich is not car ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damage totheve hicle. 0007
Alw ays obser vethe prescribed service
inter vals. 0007
Alw ays ha vethe prescribed service
wo rkcar ried out at a qualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
val is based on nor‐
mal operation of theve hicle. Maintenance work
will need tobe per form ed more of ten if theve hi‐
cle is operated under arduous conditions or
increased loads.
The ASS YST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsi‐
bility as rega rdsto whe ther maintenance work
needs tobe per form ed more of tenth an speci‐ 406
Maintenance and care

fi
ed based on the actual operating conditions
and/or loads.
Examples of arduous operating conditions:
R regular city driving with frequent intermedi‐
ate stops
R mainly short-dis tance driving
R frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
ty re s must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. 0007
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (0013 page 406). Engine compartment
Ac
tive bonn et(pedestrian pr otection) Operation of
the active bonnet (pedestrian
pr otection)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active bonn et. The rear area of the bonn et
is raised byappr oximately 85 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. Af terth e active
bonn ethas been triggered, pedestrian pr otection
may be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active bonn et. The active bonnet is not
available in all coun‐
tries.
Re setting the active bonnet 000A
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. 0007
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. Maintenance and care
407

0007
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
In doing so, the actuator is depressurised
and you may hear a hissing sound.
The engine bonnet must en gage in position. 0007
Ifth e active bonn etcan be raised slight lyat
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Opening/closing
the bonnet 000A
WARNING Risk of accident due todriv‐
ing with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up
when theve hicle is in motion and block your
vie w. 0007
Never unlock the engine bonn etwhen
driving. 0007
Before every trip, ensure that the
engine bonn etis loc ked. 000A
WARNING Risk of accident and inju ry
when opening and closing the engine
bonn et
When opening or closing the engine bonn et,
it may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine bonn et's range of mo vement. 0007
Only open or close the engine bonn et
when there are no persons in the
engine bonn et's range of mo vement. 000A
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. 0007
Before opening the bonn et, allow the
engine tocool down. 0007
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. 000A
WARNING Risk of inju rydue tomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan.
Ma kesure of thefo llowing before per form ing
ta sks in the engine compartmen t: 0007
Switch the ignition off. 0007
Neverto uch the danger zone sur round‐
ing moving co mponent parts, e.g. the
ro tation area of thefa n. 0007
Remo vejewe llery and watches. 0007
Keep items of clo thing and hair away
from moving parts. 408
Maintenance and care

0007
Slowly slide oil dipstick 1into the guide
tube tothestop, and take it out again af ter
appr oximately thre e seconds.
R Oil le vel is cor rect: oil le vel is between 2
and 3.
R Oil le velto o low: oil le vel is at 3or
belo w.
R Oil le velto o high: oil le vel is abo ve2 . 0007
Ifth e oil le vel is too lo w,top up with 1 litre of
engine oil. 0007
Ifth e oil le vel is too high, drain off excess
engine oil. Consult a qualified specialist
wo rkshop.
Checking the engine oil le vel using the on-
board compu ter
Re quirements:
The engine must ha vean oil le vel sensor. If not,
th e engine oil le vel can be checked only with the
oil dipstick (0013 page410).
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style. In order
torecei veare sult as quickly as possi‐
ble:
R warm upthe engine
R park theve hicle on a le vel sur face
R leave the engine running at idling speed
On-board compu ter:
0018 Service 0019
Engine oil level
Yo u will see one of thefo llowing messages on
th e multifunction display:
R Engine oil level Measuring now : measure‐
ment of the oil le vel is not yet possible. 0007
Repeat there qu est af ter a maximum of
30 minutes driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect.
R Engine oil level Add 1.0 l andthe bar display
fo r indicating the oil le vel on the multifunc‐
tion display is orange and is below "min": 0007
Top up with 1 l engine oil. R
Reduce engine oil level andthe bar display
fo r indicating the oil le vel on the multifunc‐
tion display is orange and is abo ve"max": 0007
Drain off excess engine oil that has been
added. Consult a qualified specialist work‐
shop.
R For engine oil level turn on ignition: 0007
switch on the ignition tocheck the engine oil
le ve l.
R Engine oil level System inoperative : sensor
fa ulty or not inser ted. 0007
Consult a qualified specialist workshop.
R Engine oil level System currently unavail. : 0007
close the bonn et.
To pping up engine oil 000A
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. Maintenance and care
411