2018 MERCEDES-BENZ SL ROADSTER Owner's Manual

Display messagesPossible causes/consequences andMSolutions
4
Engine Oil LevelLow StopVehicl eTurnEngine Off
Mercedes-AMG vehicles:
The engin eoil level is to olow.
There is aris kof engin edamage.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XCheckth eengin eoil level (Ypage 259).
XIf necessary, add engin eoil (Ypage 259).
8
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
CThere is only aver ysmall amount of fuel in th efuel tank.
XRefue lat th eneares tgas station without fail .
8
Gas Cap Loose
The fuel filler cap is notclosed correctl yor th efuel system is leaking .
XCheckthat th efuel filler cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
Driving systems
Display messagesPossible causes/consequences and MSolutions
ABC MalfunctionThe Active Body Control (ABC) function is restricted.
GWARNING
The vehicle's suspension setting smay be affected.
There is aris kof an accident.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XVisit aqualified specialist workshop immediately.
ABC MalfunctionSto pVehicl eThe Active Body Control (ABC) vehicl elevel is to olow.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
Afte r afew seconds, th evehicl elevel is adjusted and th edisplay
message disappears.
Display messages21 5
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
The vehicleis leaking oil.
The multifunction display continuousl yshows th edisplay message .
GWARNING
The vehicle's suspension setting smay be affected.
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinu edrivin g
under any circumstances.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XConsult aqualified specialist workshop or breakdown servic e
immediately.
Active Body Control (ABC) is malfunctioning .
The multifunction display continuousl yshows th edisplay message .
GWARNING
The suspension setting sare thus affected.
There is aris kof an accident.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XMak eonly slight steering movements. Otherwise ,th efron tfender
or th etires could be damaged if th esteering movement is to olarge.
XListe nfor scraping sounds.
XVisit aqualified specialist workshop immediately.
À
Attention Assist :Take a Break!
Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
a lack of concentration on th epart of th edriver . Awarning tone also
sounds.
XIf necessary, tak e abreak.
During lon gjourneys, tak eregular breaks in goo dtime so you get
enough rest.
À
Attention AssistInoperative
ATTENTION ASSIST is inoperative.
XVisit aqualified specialist workshop .
TrafficSignAssistCurrently Unavaila‐ble See Operator' sManual
Traffic SignAssis tis deactivated and temporarily inoperative.
Possibl ecauses are:
RThe windshield in th ecamera' sfield of vision is dirty.
RVisibilit yis impaire ddue to heav yrain ,snow or fog .
XClean thewindshield.
If th esystem detects that th ecamera is full yoperational, th edisplay
message disappears.
Traffic Sig nAssis tis operational again .
TrafficSignAssistInoperativeTraffic Sig nAssis tis malfunctioning .
XVisitaqualified specialist workshop .
216Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
ë
Off
The HOLD function is deactivated. The vehicl eis skidding.
A warning tone also sounds.
XReactivat eth eHOLD function later (Ypage 159).
ActiveLaneKeepin gAssist CurrentlyUnavailable SeeOperator' sManual
Active Lan eKeepin gAssis tis deactivated and temporarily inoperative.
Possibl ecauses are:
RThe windshield in th ecamera' sfield of vision is dirty.
RVisibilit yis impaire ddue to heav yrain ,snow or fog .
RThere havebeen no lan emarking sfor an extended period
RThe lan emarking sare wor naway, dark or covered up, e.g. by dir tor
snow
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Active Lan eKeepin gAssis tis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XClean th ewindshield.
ActiveLan eKeepin gAssist InoperativeActive Lan eKeepin gAssis tis malfunctioning .
XVisitaqualified specialist workshop .
Active Blind SpotAssist CurrentlyUnavailable SeeOperator'sManual
Active Blind Spot Assis tis temporarily inoperative.
Possibl ecauses are:
RThe radar sensor system is outside th eoperating temperature
range.
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Active Blind Spot Assis tis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XClean th esensor s (Ypage 267).
XRestart th eengine.
Active Blind Spo tAssist InoperativeActive Blind Spot Assis tis malfunctioning .
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
XVisit aqualified specialist workshop .
Display messages217
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
ParkingPilot Can ‐celedThe driver's door is open and th edriver's seat belt has no tbeen fas -
tened.
XRepeat th eparking process wit hth eseat belt fastene dand th e
driver's door closed .
You haveinadvertentl ytouched th emultifunction steering whee lwhile
steering intervention was active .
XWhilesteering intervention is active ,mak esur ethat th emultifunc-
tion steering whee lis no ttouched unintentionally.
The vehicl ehas started to skid and ES P®has intervened.
XUse theParking Pilo tagain later (Ypage 170).
ParkingPilot Inop‐erativ eYou hav ejus tcarrie dout alarg enumber of turnin gor parking maneu-
vers.
Parking Pilo twill become available again after approximately te n
minute s (
Ypage 170).
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSwitc hoff and restar tth eengine.
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
Parking Pilotis malfunctioning .
XVisitaqualified specialist workshop .
ParkingPilot Fin ‐ishedThe vehicleis parked. Awarning tone also sounds.
The display message disappear sautomatically.
Distance Pilot OffDistanc ePilo tDISTRONI Cis deactivated (Ypage 151).
If it was deactivated automatically, awarning tone also sounds.
Distance Pilot NowAvailableDistanc ePilo tDISTRONI Cis operational again after having been tem-
porarily unavailable .You can no wreactivat eDistanc ePilo t
DISTRONI C (
Ypage 151).
218Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Distance Pilot Cur‐rently UnavailableSee Operator'sMan ‐ual
Distanc ePilo tDISTRONI Cis temporarily inoperative.
Steering Pilo tand Stop&Go Pilo tare also temporarily inoperative.
Possibl ecauses are:
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
RThe system is outside th eoperating temperature range.
RThe on-boar dvoltag eis to olow.
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Distanc ePilo tDISTRONI Cis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XRestart th eengine.
DistancePilotInop‐erativ eDistanc ePilo tDISTRONI Cis malfunctioning .
The followin gmay hav ealso failed:
RBrake Assis twit hcross-traffic function
RActive Brake Assis twit hcross-traffic function
RSteering Pilo tand Stop&Go Pilo t
A warning tone also sounds.
XVisit aqualified specialist workshop .
Distance Pilot Sus‐pendedYou havedepressed th eaccelerato rpedal .Distanc ePilo tDISTRONI C
is no longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
DistancePilot ---mphA condition for activating Distance Pilot DISTRONIC has not been met.
XCheck the activation conditions for Distance Pilot DISTRONIC
(Ypage 151).
Display messages219
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Steering Pilot Cur‐rently UnavailableSee Operator'sMan ‐ual
Steering Pilo tand Stop&Go Pilo tare temporarily inoperative.
Possibl ecauses are:
RThe windshield in th ecamera' sfield of vision is dirty.
RVisibilit yis impaire ddue to heav yrain ,snow or fog .
RThere havebeen no lan emarking sfor an extended period
RThe lan emarking sare wor naway, dark or covered up, e.g. by dir tor
snow
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Steering Pilo tand Stop&Go Pilo tare operative again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 142).
XClean th ewindshield.
SteeringPilotInop‐erativ eSteering Pilo tand Stop&Go Pilo tare faulty.
However, th eDistanc ePilo tDISTRONI Cfunction sare still available.
A warning tone also sounds.
XVisit aqualified specialist workshop .
Cruise ControlOffCruis econtrol has been deactivated.
If awarning tone also sounds, cruise control has deactivated auto -
matically (
Ypage 149).
Cruise Contro l - --mphCruis econtrol canno tbe activated, since no tall of th eactivation con-
dition shav ebeen met .
XCheckth eactivation condition sfor cruise control (Ypage 149).
CruiseControlInop‐erativeCruisecontrol is malfunctioning .
A warning tone also sounds.
XVisit aqualified specialist workshop .
220Display messages
On-board computer and displays

Tires
Display messagesPossible causes/consequences andMSolutions
PleaseCorrectTirePressureThe tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 291).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 293).
Tire Pressure SoonThe tire pressure in one or more tires has dropped significantly. The
wheel position is shown in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may be
greatly impaired
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 142).
XCheck the tires and, if necessary, follow the instructions for a flat
tire (Ypage 271).
XCheck the tire pressure (Ypage 291).
XIf necessary, correct the tire pressure.
Warning Tire Mal‐functionThe tire pressure in one or more tires has dropped suddenly. The wheel
position is shown in the multifunction display.
GWARNING
Driving with a flat tire poses a risk of the following hazards:
Ra flat tire affects the ability to steer or brake the vehicle
Ryou could lose control of the vehicle.
Rcontinued driving with a flat tire will cause excessive heat build-up and possibly a fire
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 142).
XCheck the tires and, if necessary, follow the instructions for a flat
tire (Ypage 271).
Displa y messages221
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
TirePress.Monito rCurrently Unavaila‐ble
Becausethere is interferenc efrom astron gsource of radi owaves, no
signals from th etire pressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nas th e
problem has been resolved.
TirePress .Sen ‐sor(s) Missin gThere is no signal from th etire pressur esensor of on eor several
wheels. The pressur eof th eaffecte dtire does no tappear in th emul-
tifunction display.
XHav eth efault ytire pressur esensor replace dat aqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels mounte ddo no thav e a suitable 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
a few 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 dto start th eengin ewit hth etransmission in posi-
tion korh.
XShift th etransmission to position jori.
Apply Brake toShift fro m'P'You hav eattempte dto shift th etransmission to position h,kori
without depressing th ebrak epedal .
XDepress th ebrak epedal .
To Shift out of PorN,DepressBrakeandSwitchonEngine
You hav eattempte dto shift th etransmission out of position jori
int oanother transmission position wit hth eengin eswitched off .
XDepress thebrak epedal .
XStart th eengine.
Driver's Doo rOpe n&Transmission Notin PRis kof Vehi‐cle Rollin gAwa y
The driver's door is no tfully closed and th etransmission is in position
k, iorh.
A warning tone also sounds.
GWARNIN G
The vehicl emay rol laway.
There is aris kof an accident.
XWhe nparking th evehicle, shift th etransmission to position j.
222Display messages
On-board computer and displays