2017 MERCEDES-BENZ E-CLASS CABRIOLET engine

St
atus displa ysinthe Assis tance graphic:
R é: ATTENTION ASSIST deactivated
R æ: Active Brake Assi stdeactivated
R Light lane markings: Active Lane Keeping
Assist activated
R Green lane markings: Active Lane Keeping
Assist active R
Grey radar waves next tovehicle: Blind Spot
Assist activated
R Green radar waves next tovehicle: Blind Spot
Assist active
R Display of Dis tance Pilot DISTRONIC
(→ page 180) Calling up
displays in theTr ip menu On-board computer:
, Trip
% Ve
hicles with an instrument display in
th e widescreen cockpit: whenyou ha ve
th e design set toProgressive ,yo u can view
information on the journey in the left-hand
area of the instrument displa y. #
Toselect a displa y:swipe upwards or down‐
wa rds on the left-hand side of Touch Control.
Displa ysintheTrip menu:
R standard display
R range and cur rent fuel consu mption When
gliding mode is active (→ page152),
Gliding mode is displayed ins tead of the cur‐
re nt fuel consu mption.
A recuperation displ ayis also available for
cer tain engines. If there is only a small
amount of fuel left in the fuel tank, the dis‐
play sho wsave hicle being refuelled ins tead
of thera nge.
R ECO displ ay (→page 147)
R trip computer From startandFrom reset
R Digital speedome ter
% Ve
hicles with an Instrument Display in
th eWi descreen Co ckpit: The digital speed‐
ome ter only appears in theClassic andSport
designs. 230
Instrument Display and on-board computer

Vo
ice command Function
Light To
display light settings
Massage To
display massage settings
Engine data To
display engine data
Seats To
display seat adjustment settings
Consumption To
display consum ption
Visualisation To
display visualisation LINGU
ATRO NIC 249

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

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