check engine MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Manual

Drivingand pa rking .................................. 131
Driving ........................................................ 131
DY NA MIC SELECT switch ............................1 38
Au tomatic transmission .............................. 139
Re fueling .................................................... 143
Pa rking ...................................................... .145
Driving and driving saf etysy stems ............ .153
Instrument Display and on-board
comp uter .................................................. 199
Instrument Display overview ...................... .199
Overview of the buttons on thesteering
wheel ......................................................... .200
Operating the on-board computer .............. 200
Setting the additional value range .............. 202
Overview of displ ays on the multifunc‐
tion display ................................................ .202
Ad justing the instrument lighting ............... 203
Menus and submenus ................................ 203
Head-up Display .......................................... 210
Vo ice Control Sy stem ............................... 212
No tes on operating saf ety.......................... .212
Operation ....................................................2 12Using
theVo ice Cont rol Sy stem ef fec‐
tively ........................................................... 214
Essential voice commands .......................... 214
Multimedia sy stem .................................. 223
Overview and operation .............................. 223
Sy stem settings .......................................... 231
ENE RGIZING comfort .................................. 243
Na vigation .................................................. 245
Te lephone .................................................. .269
Online and Internet functions ..................... 285
Media .........................................................2 92
Ra dio .......................................................... 304
Sound .......................................................... 311
Maintenance and care .............................314
ASS YST PLUS service inter val display ........ .314
Engine compartment .................................. 315
Cleaning and care ...................................... .321
Breakdown assistance ............................332
Emergency .................................................. 332
Flat tire ....................................................... 332 Battery (vehicle) ......................................... 338
To
w starting or towing away ....................... 343
Electrical fuses ........................................... 348
Wheels and tires ...................................... 352
No tes on noise or unusual handling char‐
acteristics .................................................. .352
Re gular checking of wheels and tires ......... 352
No tes on snow chains ................................ 353
Ti re pressure .............................................. 354
Loading theve hicle .................................... 360
Ti re labeling ................................................ 365
Definition of term sfo r tires and loading ..... 370
Changing a wheel ...................................... .373
Tech nical data .......................................... 383
No tes on tech nical da ta.............................. 383
Ve hicle electronics .....................................3 83
Ve hicle identification plate, VIN and
engine number ...........................................3 85
Operating fluids .......................................... 387
Ve hicle data ................................................ 393
Contents 3

1Speedom eter →
199
2 00E5 ESP
®→
446
3 003E003D Turn signal light →
112
4 00CC Powe r assi sted steering malfunction →
454
5 Multifunction display →
202
6 0025 ABS malfunction →
446
7 00B9 Check Engine →
455
8 Tach ome ter →
199
9 0028 This indicator lamp has no function
A Elect ric park ing brake applied (red) →
446
0049 USA only
0024 Canada only
B Brakes (red) →
446
0027 USA only
004D Canada only
C 003D Electrical fault →
455
D00BA Distance warning →
453
E 00AC Coolant too hot/cold →
455
F Coolant temp erature display →
199
G 004D Brakes (yell ow) →
446
H 0024 Electric pa rking brake (yellow) →
446
I 0075 Restra int sy stem
J 00E9 Seat belt not fastened →
453
K 0060 Parking lights →
111
L Fuel le vel indicator
00B6 Fuelreser vewith fuel filler flap location
indicator →
455
M 0057 High beam →
112
N 0058 Low beam →
111
O 005E Rear fog light →
112
P AIR BODY CONTROL malfunctioning →
453
Q 0077 Tire pressure monitoring sy stem →
459
R 00BB ESP
®OFF →
446
At aglance – Warning and indicator lamps 9

1Speedom eter →
199
2 AIR BODY CONTROL malfunctioning →
453
3 003E003D Turn signal light →
112
4 Multifunction display →
202
5 Tach ome ter →
199
6 00BB ESP
®OFF →
446
00E5 ESP
®→
446
7 0057 High beam →
112
0058 Low beam →
111
0060 Parking lights →
111
8 00AC Coolant too hot/cold →
455
9 Coolant temp erature display →
199
A 00BA Distance warning →
453
B 00CC Powe r assi sted steering malfunction →
454
C 003D Electrical fault →
455
D Brakes (red) →
446
0027 USA only
004D Canada only
E 00E9 Seat belt not fastened →
453
F Fuel le vel indicator
G 00B6 Fuelreser vewith fuel filler flap location
indicator →
455
H 005E Rear fog light →
112
I 0075 Restra int sy stem
J 0028 Indicator lamp has no function
K 00B9 Check Engine →
455
L 004D Brakes (yellow) →
446
M Electric pa rking brake applied (red) →
446
0049 USA only
0024 Canada only
N 0077 Tire pressure monitoring sy stem →
459
O 0025 ABS malfunction →
446
P 0024 Electric pa rking brake (yellow) →
446
At aglance – Warning and indicator lamps 11

SmartKey
Overview of SmartK eyfunctions
0071
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users.
RGet out of theve hicle and be hit by
oncoming traf fic.
ROpe rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
RRe leasing the parking brake.
RShifting the automatic transmission out
of park position 005Dor shifting manual
transmission into neutral.
RSt arting the engine
00BBWhen leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
00BBNe ver lea vechildren and animals unat‐
te nded in theve hicle.
00BBKe ep the SmartK eyout of reach of chil‐
dren.
0075 NO
TEDama getotheke ycaused by
magnetic fields
00BBKe ep theke yaw ay from strong mag‐
netic fields.
1Loc ks
2Battery check lamp
3Unloc ks
4Opens/closes the trunk lid
5Pa nic alarm
The Smart Keyloc ksand unlo cksth efo llowing
components:
RThe doors
RThe trunk lid
RThe fuel filler flap
Opening and closing 57

Driving
Switching on the po wer supp lyor ignition
using theSt art/S top button
0071
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users
RGet out of theve hicle and be hit by
oncoming traf fic
ROperate vehicle equipment
In addition, thech ildren could also set the
ve hicle in motion, forex ample, by:
RRe leasing the parking brake
RShifting the transmission out of park
position 005D
RStarting the engine.
00BBNe ver lea vechildren and animals unat‐
te nded in theve hicle.
00BBWhen leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
00BBKe ep the SmartK eyout of there ach of
ch ildren.
0071
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
00BBNe ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
0071 WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem.
00BBTherefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem.
Re quirements:RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
Driving and parking 13
1

must be located in marked space 2during
th e entire journe y.
00BBHave SmartK ey1 checked at a qualified
specialist workshop.
If th eve hicle does not star t:
00BBLea veSmartK ey1 in mar ked space 2.
00BBDepress the brake pedal and start theve hicle
using thest art/ stop button.
00BBSt art theve hicle using thest art/ stop button.
00CE You can also switchon the po wer supp lyor
th e ignition with thest art/ stop button.
St arting theve hicle via Remo teOnline serv‐
ices
Cooling or heating theve hicle interior before
st arting a journey
00CE This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selecte d air conditioning setting is
active. Ensure
thefo llowing before starting the engine:
RThe legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
RIt is safe tostart and runth e engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star ter battery is suf ficiently charge d.
St arting theve hicle
0071
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work.
00BBAlw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirements:Rpark position 005Dis selected.
Rthe anti- theft alarm sy stem is not activated.
Rth e panic alarm is not activated.
Rthe hazard warning lights are switched off.
Rthe hood is closed.
Rthe doors are closed and loc ked.
Rthe windo wsand soft top are closed.
00BBSt art theve hicle using the smartphone:Rafte reve ryvehicle start, the engine runs for
te n minu tes.
Ryo u can car ryout a maximum of two consec‐
utive starting attem pts.
Ryo u can stop theve hicle again at any time.
Rfur ther information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work:
00BBSwitch on the hazard warning lights.
or
00BBUn lock the doors.
or
00BBOpen a side window or the soft top.
Driving and parking 13
3

00BBApplythe electric parking brake.
00BBPress button 1(USA) or 2(Canada) once.
00CE When youswit choff theve hicle, you can still
opera tethe side windo wsforfive minutes.
Garage door opener
Prog ramming buttons for the garage door
opener
0071 WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
00BBNe ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
0071 WARNING Risk of injury and entrapment
when opening thega rage door using the
ga rage door opener
When you operate or program thega rage
door with the integrated garage door opener,
persons in thera nge of mo vement of the
ga rage door can become trapped or stru ck
by thega rage door.
00BBWhen using the integrated garage door
opener, alw ays make sure that nobody
is within the sweep of thega rage door.
Only operate thega rage door opener on thefo l‐
lowing garage doors:
RGarage doors with a saf etyst op and reve rs‐
ing feature.
RGarage doors which con form tothe cur rent
U. S. safe tystandards.
Re quirements:
RThe vehicle is par ked outside of thega rage .
RThe engine is switched off.
00BBCheck if the transmit ter frequency of the
re mo tecontrol has the frequency range of
280 to868 MHz.
Ra dio equipment appr oval number:
RNZLMUA HL5 (USA)
R4112 A-MUAHL5 (Canada)
14 6
Driving and pa rking

Ifth efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
Rth e engine is switched off.
Rth e ignition is switched on.
Exceeding theve hicle's displa yed period out of
use may cause incon venience, i.e. it cannot be
guaranteed that thest ar ter battery will reliably
st art the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
Rth eve hicle's period out of use must be
ex tended.
Rth e%DWWHU\ &KDUJH ,QVXIILFLHQW IRU 6WDQGE\
0RGH message appears in the multimedia
sy stem displa y.
00CE Standby mode is automatically deactivated
when the ignition is switched on. Ac
tivating or deactivating standby mode
Multimedia sy stem:
00869HKLFOH00CFî 9HKLFOH 6HW
WLQJV00CF6WDQGE\ 0RGH
00BBAc tivate 0073or deacti vate 0053 the function.
When you activate the function, a prom pt
appears.
00BBSelect <HV.
St andby mode is activated.
Driving and driving saf ety sy stems
Driving sy stems and your responsibility
Yo ur vehicle is equipped with driving sy stems
which assist youin dr iving, parking and maneu‐
ve ring theve hicle. The driving sy stems are tools
and do not relie ve you of your responsibility. Pay
attention tothe tra ffic conditions at all times
and inter vene when necessary . Beaware of the
limitations rega rding the safe use of these sys‐
te ms.
Fu nction of thera dar senso rs
Some driving and driving safe ty systems use
ra dar sensors tomonitor the area in front of,
behind or next totheve hicle (depending on the
ve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind thera diator grille. Keep these
parts free of dirt, ice and slush (
→page 327).
The sensors must not be co vered, forex ample
by bicycle rack s, ove rhanging loads or radar-
re flecting sticke rs.Fo llowing an impact and in
th eeve nt of associated damage , which may not
be visible, tothe bumpers or radiator grille, ha ve
th e function of thera dar sensors checked at a
qu alified specialist workshop. The driver assis‐
ta nce sy stem may no longer workproperly.
Driving and parking 15
3

ASSYST PLUS serv ice interval display
Fu nction of the ASS YST PLUS serv ice interval
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 hidethis 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. an authorized
Mercedes-Benz Center.
Displaying the service due da te
On-board computer:
00866HUYLFH00CF$66<67 3/86
The next service due date is displa yed.
00BBTo exitth 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:
ROperating the on-board computer
(→page 200).
Car rying out maintenance workatregular
inter vals
0075 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.
00BBAlw ays obser vethe prescribed service
inter vals.
00BBAlw 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. Maintenance work will need
tobe per form ed more of tenth an
specified if theve hicle is operated under ardu‐
ous conditions or increased loads, forex ample:
Rregular city driving with frequent intermedi‐
ate stops.
Rif th eve hicle is primarily used for short-dis‐
ta nce driving.
Rfor frequent operation in mountainous terrain
or on poor road sur faces.
Rifth e engine is of ten le ftidling for long peri‐
ods.
Rin particula rly dusty condition sand/o rif air -
re circulation mode is frequently used.
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil, oil
fi lter etc. changed more frequent ly.Th etire s
must be checked more frequently if theve hicle
is operated under increased loads. Further infor‐
mation can be obtained at a qualified specialist
wo rkshop.
31 4
Maintenance and care

Engine oil
Checkingthe engine oil le vel using the oil
dip stick
0071
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
00BBLet the engine cool down and only
to uch the component parts described
as follo ws .
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:
REngine at normal operating temp erature: five
minutes.
00BBPa rk theve hicle on a le vel sur face.
00BBPull oil dipstick 1out and wipe off.
00BBSlowly slide oil dipstick 1into the guide
tube tothestop, and pull it out again af ter
appr oximately thre e seconds.
ROil le vel is cor rect: oil le vel is between 2
and 3.
ROil le velto o low: oil le vel is at 3or
belo w.
ROil le velto o high: oil le vel is abo ve2.
00BBIfth e oil le vel is too lo w,top up with
1. 1 US qt (1 l) of engine oil.
00BBIf th e engine oil le vel is too high, ha vethe
exc ess engine oil remo ved immediately at a
qu alified specialist workshop.
Ad ding engine oil
0071
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
00BBLet the engine cool down and only
to uch the component parts described
as follo ws .
0071
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.
31 8
Maintenance and care