engine MERCEDES-BENZ E-CLASS CABRIOLET 2017 Manual PDF

th
eto wing eye. Connect theto w bar tothe
trailer hitch.
% Makesure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w- starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. #
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with automatic transmission must
not be tow- star ted. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alw aysre place faulty fuses with speci‐
fi ed new fuses conta iningthe cor rect
amperage. *
NO
TEDama gecaused byincor rect fuses Incor
rect fuses may cause damage toelectri‐
cal components or sy stems. #
Only use Mercedes-Benz appr oved
fuses with the cor rect fuse rating. Blown fuses mu
stbe replaced with fuses of the
same rating, which you can recognise bythe col‐
our and fuse rating. The fuse ratings are li sted in
th e fuse assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e boot (→ page 382).
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse
box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor‐
re ctly on the fuse box. 380
Breakdown assis tance

If
th e newly inser ted fuse also blo ws, ha vethe
cause traced and rectified at a qualified special‐
ist workshop, e.g. a Mercedes-Benz Service
Centre.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away.
R All electrical consumers are switched off.
R The ignition is switched off.
The electrical fuses are located in various fuse
bo xes:
R Fuse box in the engine compartment on the
driver's side (→ page 381)
R Fuse box on the driver's side of the cockpit
(→ page 382)
R Fuse box in the front-passen gerfo ot we ll
(→ page 382)
R Fuse box in the boot on theright-hand side
of theve hicle, when vie wed in the direction
of tra vel (→ page 382) Fu
se box in the engine compa rtment Re
quirements:
Obser vethe no tes on electrical fuses
(→ page 380).
Ha ve thefo llowing readily available:
R A dry clo th
R A scr ewdriver
Opening &
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. #
Turn clip 2on co ver1 aqu arter-turn to
th e left. #
Pull co ver1 upwards in the direction of the
ar row. Breakdown assis
tance 381

#
Remo veany existing moisture from the fuse
box using a dry clo th.#
Loosen scr ews4, remo vefuse box lid 3
from theto p.
Closing #
Check whe ther the seal is positioned cor‐
re ctly in the lid. #
Insert lid into the brac ket at there ar of the
fuse box. #
Fold down lid of the fuse box and tighten
scr ews4. #
Insert co ver1 on bo thsides and engage
saf ety clips . #
Close the engine bonn et. Fu
se box on the dashboa rd The fuse box is on
the side of the dashboard
under a co ver. #
Con tact a Mercedes-Benz service centre for
fur ther information. Fu
se box in the front-passenger foot we ll Re
quirement:
R Obser vethe no tes on electrical fuses
(→ page 380). #
Open co ver1 inthe direction of the ar row
and remo veit. Fu
se box in the boot Re
quirements:
Obser vethe no tes on electrical fuses
(→ page 380). 382
Breakdown assis tance

R
Centring pin
R Folding wheel chock
R Ratchet for jack
Setting up thefo lding wheel chock Prepa
ring theve hicle for a wheel change Re
quirements:
R The requ ired tyre-change tool kit is available.
If yo ur vehicle is not equipped with the tyre-
ch ange tool kit, consult a qualified specialist
wo rkshop tofind out about suitable tools.
R The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. #
Apply the electric parking brake manually. #
Movethe front wheels tothest ra ight-ahead
position. #
Vehicles with automatic transmission:
Shift into position j. #
Vehicles with AIR BODY CONT ROL:Set the
normal vehicle le vel (→ page 193). #
Switch off the engine. #
Make sure that the engine cann otbe star ted. #
Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel you wish tochange. #
Remo vethe hub caps if necessary
(→ page 397). #
Raise theve hicle (→ page 398). Re
moving and fitting hub caps Re
quirement:
R The vehicle is prepared for a wheel change
(→ page 397).
Pla stic hub cap #
Toremo ve:turn the cent recover of the hub
cap anti-clockwise and remo vethe hub cap. #
Tofit: make sure that the cent recover of the
hub cap is turned anti-clockwise. #
Position the hub cap and turn the cent re
co ver clockwise until the hub cap engages
ph ysically and audibly. Wheels and tyres
397

Aluminium hub cap
#
Toremo ve:position soc ket2 on hub cap
1.
% The soc ket can be found in the tyre-change
to ol kit. #
Position wheel spanner 3on soc ket2. #
Using wheel spanner 3, turn hub cap1
anti-clo ckwise and remo veit. #
Tofit: position hub cap 1and turn until it is
comple tely flush with the wheel. #
Position soc ket2 on hub cap 1. #
Attach wheel spanner 3tosoc ket2 and
tighten the hub cap clockwise.
Specified tightening torq ue: 25 Nm. #
Raising theve hicle (→ page 398). Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle is prepared for a wheel change
(→ page 397).
R The hub caps ha vebeen remo ved
( → page 397).
Impor tant no tes on using the jack:
R Only use theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle. R
The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
load-bearing, non-slip underla y.
R The base of the jack must be positioned ver‐
tically under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Do not lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 398
Wheels and tyres

Note
s ontech nical data
The tech nical da tawa s de term ined in accord‐
ance with EU Directives. The data stated on ly
applies tovehicles with standard equipment. Yo u
can obtain fur ther information from a Mercedes-
Benz Service Centre.
Only for ce rtain countries: you can find vehi‐
cle-specific vehicle data in the COC documents
(CERTIFIC ATE OF CONFORMITY). These docu‐
ments are deli vered with your vehicle. On-board electronics
Note
s on tampering with the engine elec‐
tronics *
NO
TEPremature wearthro ugh improper
main tenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in valida‐
te d. #
Alw ays ha vewo rkon the engine elec‐
tronics and related components car ried
out at a qualified specialist workshop. Tw
o-w ayradios Note
s onfitting two-w ayradios &
WARNING Risk of accident due to
improper workon two-w ayradios
The elect romagnetic radiation from two-w ay
ra dios can inter fere with the on-board elec‐
tronics if RF transmit ters are manipulated or
re trofitted inco rrectly.
This could jeopardise the operating saf ety of
th eve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a qualified specialist workshop. &
WARNING Risk of accident from incor‐
re ct ope ration of two-w ayradios
If yo u operate two- wayra dios inco rrectly in
th eve hicle, the electromagnetic radiation
could inter fere with the on-board electronics,
e.g.:
R ifth e two-w ayradio is not connec tedto
an exterior aerial
R ifth eex terior aerial is not cor rectly
mounted or is not of low reflection
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-reflection exterior aerial
fi tted at a qualified specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe
lo w- reflection exterior aerial. 404
Tech nical da ta

Fr
equency band Maximum transmis‐
sion output
2 m waveband
14 4 - 174 MHz 25 W
Tr unked radio sys‐
te m/T etra
380 - 460 MHz 10 W
70 cm waveband
420 - 450 MHz 15 W
Mobile communica‐
tions (2G/3G/4G) 10 WThe
following can be used in theve hicle without
re strictions:
R Two-w ayradios with a maximum transmis‐
sion output of up to100 mW
R Two-w ayradios with transmit ter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio sy stem/T etra)
R Mobile phones (2G/3G/4G) There are no
restrictions when positioning the
aerial on the outside of theve hicle forth efo llow‐
ing frequency bands:
R Trunked radio sy stem/T etra
R 70 cm waveband
R 2G/3G/4G Ve
hicle identification plate, VIN and engine
number
Ve hicle identification plate 406
Tech nical da ta

VIN in front of the
right-hand front seat 1
VIN (vehicle identification number)
2 Floor co vering VIN on the lo
wer edge of the windscreen 1
VIN (vehicle identi fication number)
The VIN on the lo wer edge of the windscreen is
only available in some countries.
Engine number
The engine number is stamped into the crank‐
case. You can obtain fur ther information from
any qualified specialist workshop. Operating
fluids Note
s on operating fluids &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operating fluids may be poisonous and harm‐
ful to yo ur health. #
Obser vethete xt on the original con‐
ta iners when using, storing or disposing
of operating fluids. #
Alw aysst ore operating fluids sealed in
th eir original conta iners. #
Alw ayske ep children away from operat‐
ing fluids. +
ENVIRONMEN
TALNO TEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. 408
Tech nical da ta

Operating
fluids include thefo llowing:
R fuels
R exhaust gas af tertre atment additives, e.g.
Ad Blue ®
R lubricants
R coolant
R brake fluid
R windsc reen washer fluid
R climate cont rol sy stem refrigerant
Only use products recommended byMercedes-
Benz. Damage caused byusing vehicle products
which ha venot been recommended is not cov‐
ered bythe Mercedes-Benz guarantee, warranty
or goodwill gestures.
Yo u can identify operating fluids appr ovedby
Mercedes-Benz bythefo llowing insc ript ion on
th e conta iners:
R MB- Freigabe (e.g. MB-Fr eigabe 229.51 )
R MB-Appr oval (e.g. MB-App rova l 229.51) Fu
rther information on appr oved operating flu‐
ids:
R inthe Mercedes-Benz Specifications for
operating fluids at http://be vo.mercedes-
benz.co m (by en tering the designation)
R at a qualified specialist workshop &
WARNING ‑ Risk of fire or explosion
caused byfuel
Fu els are highly inflammable. #
You must avoidfire , naked flames, cre‐
ating spar ksand smoking. #
Before refuelling, switch off the engine
and auxiliary heating if your vehicle is
equipped with auxiliary heating. &
WARNING Risk of inju ryfrom fuel
Fu els are poisonous and harmful to your
health #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact wi thfuel. Fu
el Information on fuel
grades forve hicles with
a petrol engine
Obser vethe no tes on operating fluids
(→ page 408). Te
ch nical da ta409

*
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using premium-grade unlea‐
ded fuel that con form sto EN 228, or an
equi valent specification.
Fu el of this specification may con tain up to
10 %ethanol. Your vehicle is suitable for use
with E10 fuel.
Do not refuel using:
R Diesel
R E85, E100
R Petrol containing me thanol (M15, M30,
M85, M100)
R Petrol wi thadditives con taining me tal
If yo u accidentally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. Re
commended fuel: there commended octane
number foryo ur vehicle can be found in the
information table in the fuel filler flap
(→ page 153).
If th eav ailable fuel is not suf ficiently low in sul‐
phu r,th is can produce unpleasant odours.
Alternative fuel: as atemp orary measure, if the
re commended fuel is not available, you may also
use regular unleaded regular petrol with an
octane number of at least 91RON. This may
re duce engine output and increase fuel con‐
sum ption.
Ne verre fuel using fuel with a lo werRO N.
Fu rther information on fuel can be found:
R Atafilling station
R Ataqu alified specialist workshop
Information on additives in petrol
Obser vethe no tes on operating fluids
(→ page 408). *
NO
TEDama gecaused bynon-app roved
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. #
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use fuel
brands that ha veadditives.
The fuel grade available in some countries may
not be suf ficient. Residue could build up in the
fuel injection sy stem as a result. In this case, in
consultation with a Mercedes-Benz Service
Cent re,th e fuel may be mixed with the cleaning
additive recommended byMercedes-Benz.
Alw ays obser vethe no tes and mixing ratios
speci fied on the conta iner.
Information on fuel grades forve hicles with
a diesel engine
Gene ral no tes
Obser vethe no tes on operating fluids
(→ page 408). 41 0
Tech nical da ta