check engine MERCEDES-BENZ S-CLASS COUPE 2018 Owner's Manual

Operatingthe climate control sy stem ......... 121
Drivin gand pa rking ................................. 128
Driving ........................................................ 128
DY NA MIC SELECT switch ............................1 36
Au tomatic transmission .............................. 137
Re fueling .................................................... 140
Pa rking ...................................................... .142
Driving and driving saf etysy stems .............. 151
Instrument Display and on-board
compu ter.................................................. 204
Instrument Displ ayove rview ...................... 204
Overview of the buttons on thesteering
wheel ......................................................... .205
Operating the on-board computer .............. 205
Overview of displa ysinthe multifunction
display ........................................................ 207
Ad justing the instrument lighting ............... .207
Menus and submenus ................................ 208
Head-up Display .......................................... 214
Vo ice Control Sy stem ............................... 216
No tes on operating saf ety.......................... .216
Operation ....................................................2 16
Using theVo ice Cont rol Sy stem ef fec‐
tively ........................................................... 218
Essential voice commands .......................... 219
Multimedia sy stem .................................. 229
Overview and operation .............................. 229
Sy stem settings .......................................... 238
ENE RGIZING comfort .................................. 250
Na vigation .................................................. 252
Te lephone .................................................. .276
Online and Internet functions ..................... 293
Media ......................................................... 300
Ra dio .......................................................... .312
Sound ......................................................... 320
Main tenance and care ............................. 323
ASS YST PLUS service inter val display ........ 323
Engine compartment .................................. 324
Cleaning and care ...................................... .330
Breakdown assist ance............................. 341
Emergency ..................................................3 41
Flat tire ....................................................... 341
Battery (vehicle) ......................................... 347
To w starting or towing away ....................... 352
Electrical fuses ........................................... 357
Wheels and tires ...................................... 361
No tes on noise or unusual handling char‐
acteristics .................................................. .361
Re gular checking of wheels and tires ......... .361
No tes on snow chains ................................ 362
Ti re pressure .............................................. 363
Loading theve hicle .................................... 369
Ti re labeling ................................................ 373
Definition of term sfo r tires and loading ..... 378
Changing a wheel ...................................... .381
Tech nical data .......................................... 391
No tes on tech nical da ta.............................. 391
Ve hicle electronics .....................................3 91
Ve hicle identification plate, VIN and
engine number overview ............................ 393
Operating fluids .. ........................................ 395
Contents 3

1Speedom eter →
204
2 AIR BODY CONTROL malfunctioning →
456
3 #! Turn signal light →
110
4 Multifunction display →
207
5 Tach ome ter →
204
6 å ESP
®OFF →
449
÷ ESP
®→
449
7 K High beam →
110
L Low beam →
109
T Parking lights →
109
8 ? Coolant too hot/cold →
458
9 Coolant temp erature gauge →
204
A · Distance warning →
456
B Ð Steering assis tance malfunction →
457
C # Electrical malfunction →
458
D Brakes (red) →
449
$ USA only
J Canada only
E ü Seat belt is not fastened →
456
F Fuel le vel display
G 8 Fuelreser vewith fuel filler flap location
indicator →
458,
458
H R Rear fog light →
110
I 6 Restra int sy stem →
34
J % Indicator lamp has no function
K ; Check Engine →
458
L Elect ric park ing brake applied (red) →
449
F USA only
! Canada only
M h Tire pressure monitoring sy stem →
462
N ! ABS malfunction →
449
O ! Electric pa rking brake (yellow) →
449
At aglance – Warning and indicator lamps 11

SmartKey
Overview of SmartK eyfunctions
&
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.
Rge t 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:
Rreleasing the parking brake.
Rshifting the automatic transmission out of
park position j.
Rstarting the engine.
#Ne ver lea vechildren and animals unat‐
te nded in theve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ke ep the SmartK eyout of there ach of
ch ildren.
* NO
TEDama getotheke ycaused by
magnetic fields
#Ke 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:
RDoo rs
RTrunk lid
RGlo vebox
RFuelfiller flap
Opening and closing 57

#Therefore,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.
#To switch on the po wer supp ly:press but‐
to n1 (USA) or 2(Canada) once.
Yo u can activate the windshield wipers, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
RYou open the driver's door.
RYo upr ess butto n1 (USA) or 2(Canada)
twice.
#To switch on the ignition: press button 1
(USA) or 2(Canada) twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
RYou do not start theve hicle within
15 minutes.
The transmission is in position j.
or
The electric parking brake is applied.
RYo upr ess butto n1 (USA) or 2(Canada)
once.
St arting theve hicle
Starting theve hicle with thest art/s top but‐
to n
Requ irements:
RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
#Shift the transmission toposition jori.
#Depress the brake pedal and press button
1 (USA) or 2(Canada) once.
#Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
(USA) or 2(Canada) once.
#Ifth eve hicle still does not start and the
Place the Key in the Marked Space See
Operator's Manual display message also
appears in the multifunction display: start
th eve hicle in emer gency operation mode.
Yo u can switchoff the engine while driving by
pressing button 1(USA) or 2(Canada) for
about thre e seconds. Be sure toobser vethe
saf etyno tes under "Driving tips".
Driving and parking 12
9

Starting theve hicle in emer gency operation
mode
If th eve hicle does not start and thePlace the
Key in the Marked Space See Operator's Manual
display message appears in the multifunction
displa y,yo u can start theve hicle in emer gency
operation mode.
#Make surethat mar ked space 2is em pty.
#Re mo veSmartK ey1 from theke yring.
#Place Smart Key1 in mar ked space 2.
The vehicle will start af ter a short time.
If yo ure mo veSmartK ey1 from mar ked
space 2the engine continues running. For
fur ther vehicle starts ho wever,SmartK ey1
must be located in mar ked space 2during
th e entire journe y.
#Have SmartK ey1 checked at a qualified
specialist workshop.
If th eve hicle does not star t:
#Lea veSmartK ey1 in mar ked space 2.
#Depress the brake pedal and start theve hicle
using thest art/ stop button.
% 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
commencing your journey
% This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selecte d air conditioning adjustment
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 the vehicle
&
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.
#Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirements:RPark position jis selected.
RThe anti- theft alarm sy stem is not activated.
13 0
Driving and pa rking

#Have ESP®checked at a qualified spe‐
cialist workshop.
&
WARNING Risk of skidding if ESP®is
deactivated
If yo u deactivate ESP
®, ESP®cannot car ry
out vehicle stabilization.
#ESP®should only be deactivated in the
fo llowing situations.
Mercedes‑AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
ESP
®can monito r and improvedriving stability
and traction in thefo llowing situations, within
ph ysical limits:
RWhen pulling away on wet or slippe ryroads.
RWhen braking.
RIn stro ng side winds when you are driving
fast erthan 50 mph (80 km/h). If
th eve hicle deviates from the direction desired
by the driver, ESP
®can stabilize theve hicle by
inter vening in thefo llowing ways:
ROne or more wheels are braked.
RThe engine output is adap ted according to
th e situation.
ESP
®is deactivated if theå ESP®OFFwarn‐
ing lamp lights up continuously in the instrument
clus ter:
RDriving stability will no longe r be improved.
RCrosswind Assist is no longer active.
RThe drive wheels could spin.
RETS/4ETS traction control is still active.
% When ESP
®is deactivated, you are still assis‐
te dby ESP®when braking.
ESP
®is inter vening if the÷ ESP®warning
lamp flashes in the instrument clus ter:
RDo not deacti vate ESP®.
ROnly depress the accelera tor pedal as far as
is necessar y.
RAdapt your driving style to suit the cur rent
ro ad and weather condition s.
It c
an make sense todeactivate ESP
®inthefo l‐
lowing situations toimpr ovetraction:
RWhen using snow chains.
RIn deep snow .
ROn sand or gr avel.
% Spinning the wheels results in a cutting
action which pr ovides better grip.
If th e÷ ESP
®warning lamp lights up continu‐
ousl y,ESP®is not available due toa malfunction.
Observ eth efo llowing information:
RWa rning and indicator lamps (→page 447)
RDispl aymessage s (→page 403)
ETS/4ETS (Electronic Traction Sy stem)
ETS/4E TStraction control is pa rtof ESP
®and
makes it possible topull away or accelerate on a
slippery sur face.
Driving and park ing15
3

Instrument Displayoverview
&
WARNING Risk of accident due toan
instrument display malfunction
If th e Instrument Display has failed or mal‐
functioned, you may not recognize function
re strictions applying tosaf etyre leva nt sys‐
te ms.
The operating saf etyof your vehicle may be
impaired.
#Drive on carefull y.
#Have theve hicle checked immediately
at a qualified specialist workshop.
Mercedes‑AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
If th e operating saf etyof your vehicle is
impaired, park theve hicle safely as soon as pos‐
sible. Contact a qualified specialist workshop. Instrument display
1Speedome
ter
2Multifunction display
3Ta ch ome ter
4Coolant temp erature gage
5Fu el le vel and fuel filler flap location indica‐
to r
% This display is an example. Inst ead oftach ‐
ome ter3 other displa ysare also possible.
The segments in speedome ter1 indica tethe
sy stem status forth efo llowing:
RCruise control (→page 160)
RAc tive Dis tance Assist DISTRONIC
(→pa ge 162)
Ve hicles with Traf fic Sign Assis t:De tected
instructions and traf fic signs appear in the
speedome ter (
→page 193).
* NO
TEEngine damage duetoexc essively
high engine speeds
The engine will be damaged if you drive with
th e engine in theov errevving range.
#Do not drive wi th the engine in theove r‐
re vving range.
In tach ome ter3 theove rrev ving range is
shown in red. When theove rrev ving range is
re ached, the fuel supply is inter rupted toprotect
th e engine.
During normal operating conditions, coolant
te mp erature display 4may rise to248 °F
(120 °C).
204 Instrument Display and on-board computer

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:
,Service.ASSYST PLUS
The next service due date is displa yed.
#To 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 205).
Car rying out maintenance workatregular
inter vals
* 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. Maintenance work will need
tobe per form ed more of ten if theve hi‐
cle is operated under arduous conditions or
increased loads.
Examples of arduous operating conditions:
Rre gular city driving with frequent intermedi‐
ate stops
Rmainly short-dis tance driving
Rfrequent operation in mountainous terrain or
on poor road sur faces
Rwhen the engine is of ten le ftidling for long
periods
Roperation in particula rly dusty condition s
and/o rif air-recirculation mod eis frequentl y
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequently. The
tires must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop.
Maintenance and care 323

Engine oil
Checkingthe engine oil le vel with an on-
board computer
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 measure the oil
le ve l if:
Rtheve hicle is not le vel during the measure‐
ment process.
Rth e hood was pr eviously opened.
The engine must be restar ted and the engine oil
le ve l will be de term ined again when driving.
On-board computer:
,Service.Engine Oil Level
Yo u will see one of thefo llowing messa ges in
th e multifunction displa y:
#Measuring Engine Oil Level...: measurement
ofthe oil le vel is not yet possible. Repeat the
requ est af ter a maximum of 30 minutes' driv‐
ing.
#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 1.1 US qt (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 theex cess engine oil. Consult a qualified
specialist workshop.
#For Engine Oil Level Switch Ignition On:
switch on the ignition tocheck the engine oil
le ve l.
#Engine Oil Level System Inoperative: sensor
defective or not connec ted. Consult a quali‐
fi ed specialist workshop.
#Engine Oil Level System Currently Unavail.:
close the hood. Ad
ding engine oil
&
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.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
&
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.
Maintenance and care 327

*NO
TEEngine damage causedbyan
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 forth e
service inter vals.
#Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an prescri bed.
#Do not use additives.
#Follow the instructions in the service
inter val display rega rding the oil
ch ange.
* NO
TEDama gecaused bytopping up too
much engine oil
Ad ding too much engine oil can cause dam‐
age tothe engine or the catalytic con verter.
#Ha ve excess engine oil remo ved at a
qu alified specialist workshop.
#Tu rn cap 1counter-clockwise and remo ve
it.
#Ad d engine oil.
#Replace cap 1and turn it clockwise as far
as it will go.
#Check the oil le vel again (→page 327).
Checking coolant le vel
&
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.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
&
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurized,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out.
#Let the engine cool down before open‐
ing the cap.
#When opening the cap, wearglove s and
saf etygl asses.
#Open the cap slowly torelease pres‐
sure.
328 Maintenance and care