2018 MERCEDES-BENZ SLC ROADSTER wheel

Display messagesPossible causes/consequences andMSolutions
Run FlatIndicatorInoperativeCanada only:
The tire pressur eloss warning system is faulty.
XVisit aqualified specialist workshop .
PleaseCorrectTirePressureUSAo nly:
The tire pressur eistoolow in at least on eofthetires ,ort hetire
pressur edifference between th ewheels is to ogreat.
XChec kthe tire pressures at th enexto pportunity (Ypage 267).
XIf necessary, correc tthe tire pressure.
XRestart th etirep ressur emonitor (Ypage 270).
TirePressure Soo nThe tire pressur einoneor mor etires has dropped significantly. The
whee lposition is shown in th emultifunction display.
Aw arning tone also sounds.
GWARNIN G
Tir ep ressures that are to olow pos ethe followin ghazards :
Rthey may burst, especially as th eload and vehicl espeed increas e
Rthey may wear excessivel yand/o runevenly, whic hmay greatl y
impair tire traction .
Rthed rivin gcharacteristics ,aswell as steering and braking ,may be
greatl yimpaire d
There is ariskofana ccident.
XStop thevehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sasyou do so.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XChec kthe tires and ,ifneces sary, follow th einstruction sfor aflat
tire (Ypage 246).
XChec kthe tire pressur e(Ypage 267).
XIf necessary, correc tthe tire pressure.
Warnin gTireM al‐functionThe tire pressur einoneor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
GWARNIN G
Drivin gwithaf lat tire poses ariskoft hefollowin ghazards :
Raflat tire affects th eabilit ytos teer or brak ethe vehicl e
Ryou could lose control of th evehicle.
Rcontinued drivin gwithaf lat tire will caus eexces sive heat build-up
and possibl yafire
There is ariskofana ccident.
XStop thevehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sasyou do so.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XChec kthe tires and ,ifneces sary, follow th einstruction sfor aflat
tire (Ypage 246).
Display messages197
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
TirePress.Monito rCurrently Unavaila‐ble
Becausethere is interferenc efromas tron gs ource of radi owaves, no
signals from th etirep ressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nasthe
problem has been resolved.
TirePress .Sen‐sor(s) Missin gThere is no signal from th etirep ressur esensor of on eorseveral
wheels. The pressur eoftheaffecte dtired oes no tappear in th emul-
tifunction display.
XHav ethe fault ytirep ressur esensor replace dataqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels mounte ddonothav eas uitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
af ew minutes.
Tir ePress.Monito rInoperativeThe tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Vehicle
Display messagesPossible causes/consequences and MSolutions
Shiftto'P'or'N'to Start EngineYou haveattempte dtostart th eenginew itht he transmission in posi-
tion korh.
XShift th etransmission to position jori.
Apply Brake toShift fro m'P'You hav eattempte dtoshift th etransmission to position h,kori
without depressing th ebrak epedal .
XDepress th ebrak epedal .
To Shift out of PorN,DepressBrakeandSwitchonEngine
You hav eattempte dtoshift th etransmission out of position jori
int oa nother transmission position wit hthe engin eswitched off .
XDepress thebrak epedal .
XStart th eengine.
Driver's Doo rOpen&T ransmission NotinPRiskofV ehi‐cle Rollin gAway
The driver's door is no tfully closed and th etransmission is in position
k, iorh.
Aw arning tone also sounds.
GWARNIN G
The vehicl emay rol laway.
There is ariskofana ccident.
XWhenparking th evehicle, shift th etransmission to position j.
198Display messages
On-boardcomputer andd isplays

Safety systems
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
$JN$ (USA only) or J(Canada only): the red brake system warning lamp is
lit while the engine is running. Awarning tone also sounds.
GWARNING
There is not enough brake fluid in the brake fluid reservoir.
The braking effect may be impaired.
There is arisk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 131).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult aqualified specialist workshop.
XObserve the additional display messages in the multifunction display.
$NUSA only: the red brake system warning lamp is lit while the engine is running.
The multifunction display also shows adisplay message with the #symbol.
The brake pads/linings have reached their wear limit.
XVisit aqualified specialist workshop.
!NThe yellow ABS warning lamp is lit while the engine is running.
ABS (anti-lock braking system) is malfunctioning.
If there is an additional warning tone, the EBD (electronic brake force distribution)
is malfunctioning.
Other driving systems and driving safety systems may also malfunction.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
If the ABS control unit is faulty, there is also apossibility that other systems, such
as the navigation system or the automatic transmission, will not be available.
204Warning and indicator lamps
On-board computer and displays

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
$J
֌
!N$ (USA only), J(Canada only): the red brake warning lamp and the yellow
ESP®,E SP®OFF and ABS warning lamp sare lit while the engine is running.
ABS and ESP®are malfunctioning.
Other driving systems and driving safety systems may als omalfunction.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The front and rear wheels coul dtherefore lock if you brake hard ,for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additionald isplay messages in the multifunction display.
XDrive on carefully.
XVisitaqualified specialist workshopi mmediately.
÷NThe yellow ESP®warning lamp flashes while the vehicleisinm otion.
ESP®or traction control has intervened because there is arisk of skidding or at
least one wheelh as started to spin.
Cruise control or Distance Pilot DISTRONIC is deactivated.
XWhen pulling away, only depress the accelerator pedalasf ar as necessary.
XEase off the accelerator pedalwhile the vehicleisinmotion.
XAdapt yourdriving style to sui tthe road and weather conditions.
XDo not deactivate ESP®.
In rare cases (
Ypage6 1) it may be best to deactivate ESP®.
Observe the important safety notes on ESP®(Ypag e60).
÷åNThe yellow ESP®and ESP®OFF warning lamp sare lit while the engine is running.
ESP®is malfunctioning.
Other driving systems and driving safety systems may als omalfunction.
GWARNING
The brake system continues to function normally, but without the functions listed
above.
The braking distance in an emergency braking situation can thus increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additiona ldisplay messages in the multifunction display.
XDrive on carefully.
XVisitaq ualified specialist workshopi mmediately.
Warning and indicator lamps205
On-board computer and displays
Z

mbrace
General notes
Yo um usth aveal icens eagreemen ttoactivate
the mbrac eservice. Make sure tha tyou rsystem
is activate dand operational .Tologin, press the
ï MB Info call button. If any of the steps
mentioned ar enot carried out, the syste mmay
not be activated.
If yo uhaveq uest ions abou tthe activation, con-
tac tone of the following telephone hotlines:
RUSA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
Shortlya fter successfull yregistering with the
service, auserIDa nd password will be sent to
yo ubyp ost.
USA only: yo ucan uset hisp assword to lo gonto
the mbrac eareau nder "Owners Online "at
http://www.mbusa.com .
Th es ystemisa vailable if:
Rit hasbeena ctivate dand is operational
Rthe corresponding mobil ephone network is
availabl efor transmitting data to the Cus-
tome rCenter
Ras ervice subscription is available
Rthe starterb atter yiss ufficiently charged
iDetermining the locatio nofthe vehicl eona
mapiso nlyp ossibl eif:
RGP Sreceptio nisa vailable.
Rthe vehicl eposit ionc an be forwarde dto
the Customer Assistanc eCenter.
The mbrac esystem
To adjus tthe volum edurin gac all,procee das
follows:
XPress the WorX button on the multi-
function steering wheel.
or
XUse the volum econtrolle rofthe audi osys-
tem/COMAND.
Th es ystemo ffers variou sservices ,e.g.:
RAutomatic and manua lemergency call
RRoadside Assistanc ecall
RMB Info call USA only: yo
ucan find information and a
description of al lavailable features under "Own-
ers Online "athttp://www.mbusa.com.
System self-test
Aftery ouhave switched on the ignition, the sys-
tem carries ou taself-diagnosis.
Am alfunctio nint he syste mhasbeen detected
if one of the following occurs:
RTh eindicator lamp in the SOS button does not
com eond uringthe syste mself-test.
RTheindicator lamp in the FRoadside
Assistanc ebutton does not ligh tupd urin g
self-diagnosis of the system.
RTh eindicator lamp in the ïMB Info call
button does not ligh tupd urin gself- diagnosis
of the system.
RTh eindicator lamp in one or mor eofthe fol-
lowing buttons continue stolightup red after
the syste mself-diagnosis:
-SOS button
-F Roadside Assistanc ecallb utton
-ï MB Info call button
RAftert he syste mself-diagnosis ,the Inoper‐ativeorServiceNotActivatedmessage
appear sinthe multifunction display.
If am alfunctio nisindicated as outlined above,
the syste mmaynot operate as expected. In the
event of an emergency,h elpw illh avetob e
summoned by other means.
Have the syste mchecked at the neares tauthor-
ize dM ercedes-Benz Center or contact the fol-
lowing service hotlines:
RUSA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
224Features
Stowag eand featur es

XTo initiate an emergencycallm anually:
press cover :briefl ytoo pen.
XPress SOS button ;briefly.
The indicator lamp in SOS button ;flashes
unti lthe emergency cal lisconcluded.
XWait for avoice connectio ntothe Mercedes-
Benz Customer Assistance Center.
XAfter the emergency call, close cover :.
iIf the mobilephone network is unavailable,
mbrace will not be able to make the emer-
genc ycall. If yo uleave the vehicl eimmedi-
ately afte rpressing the SOS button, yo uwill
not know whethe rmbrace place dthe emer-
genc ycall. In thisc ase, always summon assis-
tance by othe rmeans.
Breakdow nassistanc ebutton
XPress Roadside Assistance button :.
Thi sinitiates acalltot he Mercedes-Benz Cus-
tomerA ssistance Center.
The indicator lamp in Roadside Assistance
button :flashesw hilethe cal lisactive. The
multifunctio ndisplay shows the Connect‐
ing Callmessage. The audi ooutputi s
muted.
If ac onnectio ncan be made ,the CallC on‐
nectedmessage appears in the multifunction
display.
If am obilephone network and GP Sreception
are available ,the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
RCurrent location of the vehicle
RVehicl eide ntificatio nnumber
iThe display of the multimedia system indi-
cate sthatac allisa ctive. During the call, you
can change to the navigatio nmenu by press- ing the NAVI button on COMAND, for exam-
ple.
iVoice outputi
snot available.
Av oice connectio nise stablished between the
Mercedes-Benz Customer Assistance Center
and the vehicl eoccupants.
From the remote malfunctio ndiagn osis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
(
Ypage 227).
The Mercedes-Benz Customer Assistance Cen-
ter either send saqualified Mercedes-Benz tech-
nician or makes arrangements for your vehicle
to be transported to the nearestM ercedes-Benz
Service Center.
Yo um aybe chargedf or servicessuchasr epair
work and/or towing.
Further details are available in your mbrace
manual.
iThe system hasn ot been able to initiate a
Roadside Assistance call, if:
Rthe indicator lamp for Roadside Assistance
cal lbutton :is flashing continuously.
Rno voice connectio ntothe Mercedes-Benz
Customer Assistance Center wa sestab-
lished.
Thi scan occurift he relevant mobil ephone
network is not available ,for example.
The CallF ailed
message appears in the
multifunctio ndisplay.
XTo en dacall:press the ~button on the
multifunctio nsteering wheel.
or
XPress the corresponding multimedia system
button for ending aphone call.
MB Info cal lbutton
226Features
Stowag eand featur es

XPress MB Info call button:.
This initiates acall to the Mercedes-Benz Cus-
tomer Assistance Center.
The indicator lamp in MB Info call button :
flashes while the connection is being made.
The multifunction display shows the Con‐
nectingCallmessage. The audio system is
muted.
If ac onnection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
If am obile phone networ kand GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrentl ocation of the vehicle
Rvehicle identification number
iThe display of the multimedia system indi-
cates that acall is active. During the call, you
can change to the navigation menu by press-
ing the NAVI button on COMAND,f or exam-
ple.
Voice output is not available.
Av oice connection is established between the
Mercedes-Benz Customer Assistance Center
and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest authorized
Mercedes-Benz Center and about other prod-
ucts and services from Mercedes-Benz.
USA only: you can find further information on
the mbrace system under "Owners Online" at
http://www.mbusa.com.
iThe system has not been able to initiate an
MB Info call, if:
Rthe indicator lamp in MB Info call button :
is flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
networ kisnot available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end acall: press the ~button on the
multifunction steerin gwheel.
or
XPress the corresponding multimedia system
button for ending aphone call.
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergencyc all
can still be initiated. In this case, an emergency
call will take priority and override all other active
calls.
The indicator lamp of the respective button
flashes until the call is ended.
An emergencyc all can only be terminated by the
Mercedes-Benz Customer Assistance Center.
All other calls can be ended by pressing:
Rthe ~ button on the multifunction steering
wheel
Rthe corresponding button on the audio sys-
tem or on COMAND for ending atelephone
call
iWhen acall is initiated, the audio system is
muted. The mobile phone is no longer con-
nected to COMAND.H owever, if you want to
use your mobile phone, do so only when the
vehicle is stationary and in asafe location.
Vehicle Health Check
With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an
existin gcall, vehicle data is transferred to the
Customer Assistance Center. The customer ser-
vice representative can use the received data to
decide what kind of assistanc eisrequired. You
are then ,for example, guided to the nearest
Mercedes-Benz ServiceC enter orarecovery
vehicle is called.
If vehicle data needs to be transferred during an
MB Info call or aRoadside Assistance call, this is
initiated by the Customer Assistance Center.
You will see the Roadside Assistance Con‐
nectedmessage in the COMAND display. If the
vehicle remotem alfunction diagnosis can be
started, the Request for vehicle diagno‐
sisreceived.Startvehiclediagnosis?message appears in the display.
XConfirm the message with Yes.
XWhen theVehicle diagnosis: Pleasestart ignitionmessage appears, turn the
SmartKey to position 2in the ignition lock
(
Ypage 116).
XWhen the Please follow the instruc‐tions received by phone and moveyour vehicle to asafe positionmes-
Features227
Stowage and features
Z

amessage appearsint hemultifunction display
prompting you to add washer fluid (Ypage 201).
Further informatio nonwindshield washer fluid/
antifreeze(
Ypage 294).
Overview of th eengine compartment
Example :gasoline engine
:
Engineo il cap
;Oil dipstick
=Brake fluid reservoir
?Washerf luid reservoir
ACoolante xpansion tank
ASSYST PLUS
Service messages
The ASSYS TPLUSs erviceinterval display
inform syou of th enexts ervic edue date.
Information on th etype of servic eand service
intervals (see th eseparate Maintenance Book-
let).
You can obtain further informatio nfroma n
authorized Mercedes-Ben zCenter or at
http://www.mbusa.com (USAo nly).
iThe ASSYS TPLUSs erviceinterval display
does no tshow any informatio nontheengine
oil level. Observ ethe note sont heengine oil
level(
Ypage 234).
The multifunction display showsas ervicemes-
sage for several seconds, e.g.:
RServiceAin..D ays
RServiceADue
RServiceAExceeded by .. Days
Dependingont heoperatin gconditionsoft he
vehicle ,the remainin gtimeord istanc euntil the
nex tservic edue dateisd isplayed.
The letter A
orB,possibly in connectio nwith a
number or another letter, showst hetype of ser-
vice. A
stands for aminor servic eand Bfor a
major service.
You can obtain further informatio nfroma n
authorized Mercedes-Ben zCenter.
The ASSYS TPLUSs erviceinterval display does
no ttak eintoa ccounta ny periods of tim eduring
whicht hebattery is disconnected.
Maintaining th etime-dependents ervicesched-
ule:
XNoted own th eservic edue dated isplayedin
th em ultifunction display before disconnect-
ing th ebattery.
or
XAfte rreconnectin gthe battery, subtrac tthe
battery disconnectio nperiods from th eser-
vic ed ates hownont hedisplay.
Hiding aservice message
XPres sthe a or% button on th esteering
wheel.
Displaying service messages
XSwitch on th eignition.
XPres sthe = or; button on th esteering
wheel to selectt heServ.menu.
XPres sthe 9 or: button to selectt he
ASSYSTPLUSsubmenu and confir mbypress-
ing the abutton.
The servic edue datea ppearsint hemulti-
function display.
Information abou tService
Resettin gthe ASSYST PLUS service
interval display
!If th eASSYSTP LUSs erviceinterval display
has been inadvertently reset,t hiss ettin gcan
be correcte dataqualified specialist work-
shop.
Hav eservic ework carried out as describe din
th eM aintenance Booklet. This may otherwise
ASSYST PLUS237
Maintenance and care
Z