service MERCEDES-BENZ E-CLASS CABRIOLET 2017 Service Manual

R
Smartscroll #
Switch the function on Oor off ª.
Deleting Internet his tory
Multimedia sy stem:
, Con-
nect .
z Browser .
Z Options .
Del
ete browser data
The following options are available:
R All
R Cache
R Cookies
R Entered URLs
R Form data #
Select an option. #
Select Yes. Managing bookmar
ks
Multimedia sy stem:
, Con-
nect .
z Browser .
Z Options .
Bo
okmarks
Selecting a bookmark #
Select an entry.
Creating a bookmark #
Select Add new bookmark. #
Enter URL and name. #
Select ¡.
Editing a bookmark #
Select an entr y. #
Select Edit. #
Enter URL and name. #
Select ¡.
Deleting a bookmark #
Select Delete. #
Select Yes. Closing the br
owser
Multimedia sy stem:
, Connect .
z Browser #
Select åClose browser . Internet
radio Calling up the 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 317

Sear
ching for and authorising the Blue tooth ®
audio equipment
Requ irements:
Blue tooth ®
is activated on the multimedia sys‐
te m (→ page 259).
Check your Blue tooth®
audio equipment forthe
fo llowing (see the manufacturer's operating
instructions):
R the Blue tooth®
audio equipment must sup‐
port the A2DP and AVRC P Blue tooth®
audio
profiles
R the Blue tooth®
function must be activated
R the Blue tooth®
audio equipment must be
"visible" forot her devices
Multimedia sy stem:
, Media .
à Devices .
á Blue-
tooth audio
Au thorising new Blu etoo th®
audio equipment #
Select ¥. #
Select Add new Bluetooth audio device. #
Select Start search .
The multimedia sy stem sear ches for Blue‐
tooth ®
audio equipment within range and
adds them tothe Blue tooth ®
device list. #
Select Blue tooth®
audio equipment.
Auth orisation starts.
A code is displa yed on the multimedia sys‐
te m and on the mobile phone. #
Confirm on the Blue tooth®
audio equipment
if th e codes are identical.
Af ter successful auth orisation,the Blue‐
tooth ®
audio equipment is connec ted and
st arts playing.
Selecting Blu etoo th®
audio equipment that
has already been authorised #
Select ¥. #
Select Blue tooth®
audio equipment.
Establishing a connection from the Blue‐
to oth ®
audio equipment
The Blue tooth®
device name of the multimedia
sy stem is MB BLUETOOTH XXXXX. #
Select Search from device. #
Start the authorisation on your Blue tooth®
audio equipment (see the manufacturer's
operating instructions).
A code is displa yed on the multimedia sys‐
te m and on the mobile phone. #
Ifth e codes are identical, confi rmon bo th
devices bypressing Yes.
Af ter successful auth orisation,the Blue‐
tooth ®
audio equipment is connec ted and
st arts playing.
Wi th some Blue tooth ®
audio equipment, play‐
back must be initially star ted on the device itself
so that the multimedia sy stem can play the
audio files.
% 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. 330
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. #
Toactivate full-screen mode: select#
Full screen. #
Todeactivate full-sc reen mode: select
%. Fr
equency fix function Multimedia sy
stem:
, Radio .
Z Options .
Frequency fix #
Activate Oor deacti vate ª 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:
, Radio .
Z Options
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 ®
. #
Select Tag this song.
The track information is sa ved. Switching traf
fic announcements on/off Multimedia sy
stem:
, System .
õ Audio .
Traffic
announcements #
Switch the function on Oor off ª.
or #
Hold the8 button on the multifunction
st eering wheel. Setting
the traf fic information service vol‐
ume increase #
Select Traffic announcements volume
increase. #
Select No increase or avalue. Ac
tivating/deactivating radio text Multimedia sy
stem:
, Radio .
Z Options .
Display radio
text information #
Activate Oor deacti vate ª the function. TV
Information on
TVmode Ubiquito
usDTCP-MOST
Copyright ®
20 15 Ubiquitous Corp.
The TVtuner enables reception of digital chan‐
nels according tothefo llowing standards:
R DVB-T
R DVB-T2 334
Multimedia sy stem

TV
mode overview 1
Active media sou rce
2 Channel name
3 Current programme wi thstart and finish
times 4
Station lists
5 Presets
6 Devices 7
Streaming services
8 Sound
9 Full screen Multimedia sy
stem 337

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 in 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.
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:
, Service .
ASSYST PLUS
The next service due date is displa yed. #
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
(→ page 227). Car
rying out service workatregular inter‐
va ls *
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. #
Alw ays obser vethe prescribed service
inter vals. #
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. Service workwill need
tobe per form ed more of ten if theve hicle
is operated under arduous conditions or
increased loads, forex ample:
R regular city driving with frequent intermedi‐
ate stops.
R ifth eve hicle is primarily used totrave l short
dis tances.
R for frequent operation in mountainous terrain
or on poor road sur faces.
R ifth e engine is of ten le ftidling for long peri‐
ods.
R in particula rly dusty conditions and/or if air-
re circulation mode is frequently used.
In these or similar operating conditions, ha ve,for
ex ample, the interior air filter, engine air filter,
engine oil and oil filter changed more frequent ly.
The tyres must be checked more frequently if
th eve hicle is operated under increased loads.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Maintenance and care
345

Battery disconnection periods
The AS
SYST PLUS service inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed in
th e instrument display before disconnecting
th e battery (→ page 345). 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 engine
bonn etisraised byappr oximately 85 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. If the active bonn et
has 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 &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: #
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
The engine bonnet must engage in position. #
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. 346
Maintenance and care

Opening/closing
the bonnet &
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. #
Never unlock the engine bonn etwhen
driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
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. #
Only open or close the engine bonn et
when there are no persons in the
engine bonn et's range of mo vement. &
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. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
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: #
Switch the ignition off. #
Neverto uch the danger zone sur round‐
ing moving co mponent parts, e.g. the
ro tation area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of inju ryfrom touching
co mp onent parts under voltage
The ignition sy stem and the fuel injection
sy stem workunder high voltage. If youto uch
co mp onent parts which are under voltage,
yo u could recei vean electric shoc k. #
Neverto uch co mponents of the ignition
sy stem or the fuel injection sy stem
when the ignition is switched on. &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine, Maintenance and care
347

R
The bonnet has been pr eviously opened.
The engine must be restar ted and the engine oil
le ve l will be de term ined again during driving.
On-board computer: , Service .
Engine oil level:
Yo u will see one of thefo llowing display
messa ges in the multifunction displa y:#
Engine oil level Measuring now: measu re‐
ment of the oil le vel is not yet possible.
Re peat there qu est af ter a maximum of 30
minutes' driving. #
Engine oil level OK andthe bar display for
indicating the oil le vel in the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect. #
Engine oil level Add 1.0 l andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is below "min": top up
with 1 l of engine oil. #
Reduce engine oil level andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is abo ve"max": drain off
theexc ess engine oil. Consult a qualified
specialist workshop. #
For engine oil level turn on ignition: switch on
th e ignition tocheck the engine oil le vel. #
Engine oil level System inoperative : sensor
fa ulty or not connected. Consult a qualified
specialist workshop. #
Engine oil level System currently unavail. :
close the engine bonn et.
To pping up engine oil &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite. #
Make sure that no engine oil is spilled
next tothefiller opening. #
Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle. *
NO
TEEngine dama gecaused byan
incor rect oil filter, incor rect oil or addi‐
tives #
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. #
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. #
Do not use additives. 350
Maintenance and care

#
Follow the instructions in the service
inter val display rega rding the oil
ch ange. *
NO
TEDama gecaused bytopping up too
much engine oil To
pping up too much engine oil can cause
damage tothe engine or the catalytic con‐
ve rter. #
Have excess engine oil remo ved at a
qu alified specialist workshop. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise as far
as it will go. #
Check the oil le vel again (→ page 349). Checking
the coolant le vel &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns from hot
coolant
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wearglove s and
pr otective eyew ear. Maintenance and care
351

#
Slowly turn the cap half a turn toallow
pressure toescape. #
Park theve hicle on a flat sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. #
Slowly turn cap 1anti-clockwise torelie ve
ov erpressure. #
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect:
R Ifth e engine is cold, up tomar ker bar 2
R Ifth e engine is warm, up to1.5 cm over
mar ker bar 2 #
If necessar y,top up with coolant that has
been appr ovedby Mercedes-Benz.
R Further information on coolant (→ page414) To
pping up the windsc reen washer sy stem &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
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. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. 352
Maintenance and care