ignition MERCEDES-BENZ E-CLASS CABRIOLET 2017 Workshop Manual

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

Sy
stem limitations
The tyre pressure monitoring sy stem does not
issue a warning:
R Ifth e tyre pressure is set incor rectl y.
R Ifth ere is a sudden pressure loss caused, for
ex ample byafo re ign object penetrating the
tyre.
R Ifth ere is a malfunction caused byano ther
ra dio signal source.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
R Notes on tyre pressure (→ page 385)
Checking the ty repressure with the tyre
pressure moni toring sy stem
Re quirement:
R The ignition is switched on.
On-board computer: , Service .
Tyre pressure
One of thefo llowing displa ysappears:
R Cur rent tyre pressure of ea chwheel: R
Tyre pressures will be displayed after a few
minutes of driving
R Tyre pressure monitor active: thete ach-in
process of the sy stem is not yet compl ete.
The tyre pressures are already being moni‐
to re d. #
Compare the tyre pressure with there com‐
mended tyre pressure forth e cur rent operat‐
ing condition (→ page 386). Obse rvethe
no tes on tyre temp erature (→ page 385).
% The values displa yed in the multifunction dis‐
play may deviate from those of the tyre pres‐
sure gauge as they referto sea le vel.At high
altitudes, the tyre pressure values indicated by
pressure gauges are higher than those
shown bythe on-board computer. In this
case, do not reduce the tyre pressure.
Make sure toobser vethefo llowing fur ther rela‐
te d subjec t:
R Notes on tyre pressure (→ page 385)
Rest arting the ty repressure moni toring sys‐
tem
Requ irement:
R The recommended tyre pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (→ page 385).
Re start the tyre pressure monitoring sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. 388
Wheels and tyres

*
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

Display messages
Possible causes/consequences and M
MSolutions
! Clean the fuel filter *
Ve hicles with a diesel engine: thewate r inthe fuel filter must be drained off. #
Consult a qualified specialist workshop.
Ø Refill AdBlue Eng. start not
possible *
The AdBlue ®
tank is em pty. yo u can no lon gerst art the engine #
Top up at least 4.5 l of AdBlue ®
. #
Switch the ignition on.
Yo u can restart the engine af ter appro ximately one minu te.
Ø
Check AdBlue See Owner’s
Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop.
8 Reserve fuel level *T
he fuel le vel has dropped into there ser verange. #
Refuel. 438
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off the ignition
before exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heater. Otherwise, the12 V
battery might dischar geand it will then only be possible tostart theve hicle using a donor battery (s tarting
assis tance).
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shi fts to position iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Reversege ar can no lon ger be engaged. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission has overheated. Pulling away can be temp orarily impaired or not possible. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Start the engine. #
Wait until the display message disappears before pulling away. Displ
aymessa ges and warning/indicator lamps 451

K
Top lo wering ............................... 459
To p up coolant See Owner ’sManual ....431
¥ Top up washer fluid .................... .458
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 428
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 427
Tr af fic Sign Assi stinope rative ............. 428
jTr ailer coupling extending… .........448
Tr ansmission Malfunction Stop ............ 451
Ty re press. monitor cur rently una vail‐
able .................................................... .443
Ty re press. monitor inoperative ...........444
Ty re press. monitor inoperative No
wheel sensors .................................... .444
Ty re pressure Check tyres ...................441
Ty re(s) ove rheated ...............................4 44
Ty re(s) ove rheated Reduce speed ........445
d Vehicle is operational Switch
off the ignition before exiting .............. .451 É
Vehicle rising Please wait............ 421
ÉVe hiclerising ...............................4 21
h Warning tyre defect .....................443
hWheel sensor(s) missing .............444
K While stationar y,apply the
brakes before operating the soft top.
.............................................................4 59
Wi thout changing gear, consult work‐
shop ....................................................4 50
Dist ance control
see Dis tance Pilot DISTRONIC
Di stance Pil otDISTRONIC ...................... .180
Ac tivating ............................................ 183
Ac tivation conditions ........................... 183
Ac tive Emergency Stop Assist .............1 89
Ac tive Lane Change Assi st.................. 188
Calling up a speed .............................. .183
Deactivating ........................................ 183
Fu nction .............................................. 180
Le ver ................................................... 183
Selecting ............................................. 183
Setting a speed ................................... 183
St oring a speed ................................... 183Sy
stem limits ....................................... 180
Distance recorder .................................. .230
DISTRO NIC
see Dis tance Pilot DISTRONIC
Door Additional door lock .............................. 63
Locking (emer gency key) ...................... .68
Opening (from inside) ............................63
Un locking (emer gency key) .................. .68
Un locking (from inside) ........................ .63
Door cont rol panel .................................... .13
Draught stop
Care .................................................... 357
Drive Away Assist .................................... 207
Drive position Selecting .............................................. 151
Drive prog ram display ............................. 14 8
Drive prog rams
see DYNA MIC SELECT
Driving light see Automatic driving lights 490
Index

Menu (on-board computer) .................. 236
Setting the position (on-board com‐
puter) .................................................. 236
Switching on/off ................................. 238
Using the memory function ................. 101
Head-up display see Menu (on-boa rdcompu ter)
Head-up display menu see On-board computer
Headlamp flashing ................................... 11 6
Heating see Climate control
High-pressure cleaner (care) ................. 354
Hill start assi st........................................ 189
HOLD function ......................................... 19 0
Ac tivating/deactivating ...................... .190
Fu nction/no tes ................................... 19 0I
i-Size child seat attachment
Seats suitable for attaching ................... 53
i-Size child seat securing sy stem ............ 44
Fitting ................................................... .45No
tes ..................................................... 44
Identification pla te
Engine ................................................. 406
Ve hicle ................................................ 406
Ignition Switching on (s tart/s top button) .........1 41
Ignition key
see Key
Immobiliser ................................................ 84
Implied warranty
Ve hicle ................................................... 24
Inat tentiveness assistant
see ATTENTION ASSIST
Indicator lamp see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 14 9
Selecting ............................................. 14 8
Instrument clus ter .................................. 463
In stru ment clus ter
see Instrument display Instrument display
..................................2 25
Ad justing the lighting .......................... 229
Fu nction/no tes ................................... 225
Overview (s tanda rd) ................................ 7
Overview (widescreen) ............................ 7
Wa rning/indicator lamps .................... 463
Instrument display see Instrument clus ter
Instrument lighting .................................229
Instrument lighting see Dashboard lighting
Intelligent Light Sy stem .......................... 11 7
Ac tive headla mps function ...................1 17
Ad aptive Highbeam Assist Plus ............ 11 9
Ad versewe ather light .......................... 11 8
City lighting .......................................... 11 8
Corne ring light ..................................... 11 7
Fo g light (extended range) ................... 11 8
Mo torw ay mode ................................... 11 8
Overview ..............................................1 17
Switching on/off .................................. 11 9
Interior lighting ........................................ 121
Ambient lighting ................................... 121
Setting ................................................. 121 Index
495

Soc
ket (12 V) ............................................ 11 0
Fr ont centre console ............................ 11 0
Re ar passenger compartment .............. 11 0
Soft top
Care .................................................... 356
Closing (soft- top switch) ........................ 78
Closing with theke y .............................. .76
Opening (soft-top switch) ......................78
Opening with theke y ............................ .75
Problem .................................................83
Re locking .............................................. .79
Soft-top switch .......................................... 78
Software update Information .......................................... 265
Pe rforming .......................................... 265
Sound PRE-SAFE ®
Sound ................................. 40
wheels and tyres ................................. 384
Sound see Burmes ter®
sur round sound sy stem
see Tone settings
Spare wheel see Emergency spa rewheel Spectacles compa
rtment ...................... .104
Spee chdialogue sy stem
see LINGU ATRO NIC
Speed limit for winter tyres
Setting ................................................. 180
Speed Limit Pilot .............................. 180, 212
Displ ay................................................. 180
Setting ................................................. 212
Speedome ter
Digital .................................................. 230
St andby mode
Ac tivating/deactivating ...................... .166
Fu nction .............................................. 16 6
St anding lights ......................................... 11 4
St art/S top button
St arting theve hicle ............................. 14 2
Switching off theve hicle ..................... 15 8
Switching on the po wer supply or
ignition ................................................. 141
St art/s top function
see ECO start/ stop function
St arting assi stance
see Jump -sta rt connection St
arting the engine
see Vehicle
St arting-o ffaid
see Hill start assist
St ation
Deleting ............................................... 333
Direct frequency entry ........................ 333
Fr equency fix ....................................... 334
Moving ................................................ 333
Sea rching ............................................ 333
Setting .................................................3 33
St oring ................................................ 333
St ation list
Calling up ............................................ 333
St ation presets
Editing ................................................. 333
St ationary heater/ventilation
Displ ays (remo tecontrol) .................... 13 6
Problems (remo tecontrol) ................... 13 8
Setting (remo tecontrol) ...................... 13 5
Setting (using the multimedia sys‐
te m) ..................................................... 13 5
Switching on/off (control panel) ......... 13 4 Index
507