warning MERCEDES-BENZ E-CLASS CABRIOLET 2017 Owners Manual

Online and Internet functions
Internet connection
Internet connection
restrictions &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the multimedia sy stem. Depending on
theve hicle's equipment, you can
es tablish an Internet connection in thefo llowing
wa ys:
R Vehicles with a communication module:
Internet use including Mercedes me connect
services and data roaming (→ page312).
R Vehicles without a communication mod‐
ule:
- via Blue tooth®
with a data-enabled
mobile phone (→ page313)
- viaWi-Fi wi tha data-enabled mobile
phone (→ page312)
- viathete lephone module with SAP
The Internet functions can only be used toa limi‐
te d degree whilst driving.
Internet connection via communication mod‐
ule
On vehicles with a built-in communication mod‐
ule, the Internet connection is es tablished via an
integrated SIM card.
If th e data volume limit is reached, theav ailabil‐
ity of Mercedes me connect services is limited. The data
volume must be pur chased on
Mercedes me connect.
Setting up an Internet connection via Wi-Fi
Requ irements:
R Activate theWi -Fi function on the multimedia
sy stem (→ page 260).
R Activate theWi -Fi function on theex tern al
device (see the manufacturer's operating
instructions).
R Activate Internet access via Wi-Fi (see the
manufacturer's operating instructions).
The Internet connection via Wi-Fi may be restric‐
te d or not function if:
R the mobile phone is switched off
R mobile data use is deactivated on the mobile
phone
R theWi -Fi function is deacti vated on the multi‐
media sy stem
R theWi -Fi function is deacti vated on theex ter‐
nal device
R Internet access via Wi-Fi is deacti vated on
th eex tern al device 312
Multimedia sy stem

#
Press and hold theto uchpad or cont roller
until an audible signal sounds.
The ß symbol appears bythest ation
name. #
Select ßFavourites.
The list of sa vedfavo urite stations appears.
or #
Create an account forth e online pr ovider
(TuneIn radio) and then log in on the multi‐
media sy stem.
Yo ur favo urites are impor tedto the multime‐
dia sy stem.
Deleting favo urites #
Select ßFavourites. #
Select a station. #
Press and hold theto uchpad or cont roller
until an audible signal sounds.
The ß symbol bythest ation name disap‐
pears. Setting
the Internet radio options
Multimedia sy stem:
, Radio .
Ý Internet radio .
TuneIn
radio .
Z Options
The following options are available:
R Select stream: select thest re am qualit y.
R Login to TuneIn account : loginto yourTuneIn
user account.
R Log out of account: log out of your TuneIn
user account. #
Select an option. Media
Au
dio mode In
fo rm ation on audio mode &
WARNING Risk of di stra ction when han‐
dling da tastorage medium
If yo u handle a data storage medium while
driving, your attention is diver ted from the traf
fic conditions. This could also cause you
to lose control of theve hicle. #
Only handle a data storage medium
when theve hicle is stationar y. Pe
rm issible file sy stems:
R FAT32
R exFAT
R NTFS
Pe rm issible data storage medium:
R SD card
R USB storage device
R iPod/iPhone
R MTP devices
R Blue tooth ®
audio equipment
% The multimedia sy stem supports a total of
up to50,000 files.
Suppor tedfo rm ats:
R MP3
R WMA Multimedia sy
stem 319

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

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 of inju ryfrom using the
windscreen wipers while the engine bon‐
net is open
When the engine bonn etis open, and the
windscreen wipers are set in motion, you can
be trapped bythe wiper linkage. #
Alw ays switch off the windscreen wip‐
ers and ignition before opening the
engine bonn et. #
Toopen: pull lever1 torelease the engine
bonn et. #
Push bonnet catch 1upwards and lift the
bonn etby appr oximately 40 cm. #
Toclose: lowe rth e bonn etand let it fall from
a height of appr oximately 20 cm. #
Ifth e bonn etcan still be lif ted slightl y,open
th e bonn etagain and close it with a little
more forc e until it engages cor rectly. 348
Maintenance and care

Engine oil
Checking
the engine oil le vel using the oil
dip stick &
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: Depending on
the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations.
Wa iting time before checking the oil le vel:
R Engine at normal operating temp erature: five
minutes. R
Engine not at normal operating temp erature
(e.g. the engine was only star ted brief ly): 30
minutes. #
Park theve hicle on a flat sur face. #
Remo veoil dipstick 1and wipe off. #
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 . #
Ifth e oil le vel is too lo w,top up with 1 l of
engine oil. #
Ifth e engine oil le vel is too high, ha vethe
exc ess engine oil remo ved immediately at a
qu alified specialist workshop.
Checking the engine oil le vel using the on-
board compu ter (E 220 d)
The engine oil le vel is de term ined during driving.
The oil le vel display is only available af ter a driv‐
ing time of up to30 minutes and if the ignition is
switched on, depending on the driving profile.
It is not possible tocor rectly measu rethe oil
le ve l if:
R The vehicle is not le vel during the measuring
process. Maintenance and care
349

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

#
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher fluid. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R Toavo id possible water ingress in theve hi‐
cle, it is preferable touse car washes which
allow the high-pressure pre-wash tobe deac‐
tivated (specification forth e Cabrio pro‐
gramme).
R It is imperative toavo id a subsequent hot-
wa x treatment. R
Remo vetheke y in order toensure that the
draught stop on the front windscreen
re tracts.
R Distance Pilot DISTRONIC and the HOLD
function are switched off.
R The 360° Camera or there ve rsing camera is
switched off.
R The side windo wsand soft top are closed
comple tely.
R The blo werfo rth eve ntilation/heating is
switched off.
R The windsc reen wiper switch is in position
g.
R In car washes with a towing mechanism: neu‐
tral iis engaged.
R The key is at a dis tance of at least 3 m away
from theve hicle, otherwise the boot lid could
open unintentionall y.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubber, this
will pr event smearing and reduce wiper
noise. Maintenance and care
353