MERCEDES-BENZ S-CLASS CABRIOLET 2018 Owner's Manual

Displaymessages
Possible causes/consequences and MSolutions
#
Stop Vehicle Leave Engine
Running*T
he battery charge leve l is too low and must be charge d.
#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.
#Lea veengine running.
#Wa it until the display message disappears before pulling away.
4
Check Engine Oil At Next
Refue ling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine damage causedbydriving with insuf ficient engine oil#Av oid long journe yswith insuf ficient engine oil.
#Check the engine oil le vel when next refueling.
To p up the engine oil (
→page 331).
No tes on engine oil (
→page 398).
8
Gas Cap Loose *T
here has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is
leaking.
#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
Display messages and warning/indicator lamps 429

Displaymessages
Possible causes/consequences and MSolutions
8
Fuel Level Low*T
he fuel supply has dropped into there ser verange.
#Re fuel.
Tire s
Displa ymessages
Possible causes/consequences and MSolutions
h
Please Correct Tire Pres-
sure*T
he tire pressure is too low in at least one of the tires, or the tire pressure dif fere nce between the wheels is too
great.
#Check the tire pressure and add air, if necessar y.
#Whenthe tire pressure is cor rect, restart the tire pressure monitoring sy stem .
430
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
h
Check Tires*T
he tire pressure in one or more tires has dropped significantl y.The wheel position is displa yed.
&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
Display messages and warning/indicator lamps 431

Displaymessages
Possible causes/consequences and MSolutions
h
Warning Tire Malfunction*T
he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed.
&
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
RThe tires can overheat and cause a fire .
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Do not drive with a flat tire.
#Observ eth e no tes on flat tires.
No tes on flat tires (→page 342).
#St op theve hicle, paying attention toroad and traf fic conditions.
#Check the tires.
Tire Press. Monitor Cur-
rently Unavailable *N
o signals can be receive d from the tire pressure sensors due tostro ngradio signal source inter fere nce. The tire
pressure monito ring sy stem is temp orarily una vailable.
#Drive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
432
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
h
Wheel Sensor(s) Missing*T
here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
#Have thefa ulty tire pressure sensor replaced at a qualified specialist workshop.
Tire Pressure Monitor Inop-
erative No Wheel Sensors *T
he wheels fitted do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
#Mount wheels with suitable tire pressure sensors.
Tire Press. Monitor Inopera-
tive *T
he tire pressure monitoring sy stem is defective.
&
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
#Ha ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 433

SmartKey
Displaymessages
Possible causes/consequences and MSolutions
Â
Obtain a New Key*T
he SmartK eyneeds tobe replaced.
#Visit a qualified specialist workshop.
Â
Replace Key Battery *T
he SmartK eybattery is dischar ged.
#Re place the battery .
Â
Key Not Detected (white
display message) *T
he SmartK eyis cur rently und etected.
#Change the location of the SmartK eyintheve hicle.
#Ifth e SmartK eyisstill not recognized, start the engine with the SmartK eyinthestow age compartment .
434
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Â
Key Not Detected(red dis‐
play message) *T
he SmartK eycannot be de tected and may no longer be in theve hicle.
The SmartK eyis no longer in theve hicle and youswit choff the engine:RYo u can no longe rst art the engine.
RYo u cannot centrally lock theve hicle.
#Ensure that the SmartK eyis in theve hicle.
If th e SmartK eydetection function has a malfunction due toast ro ng radio signal source:
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Place the SmartK eyinthestow age compartment forst arting the engine with the SmartK ey.
Â
Don't Forget Your Key *A
warning tone also sounds. This message reminds youto take your SmartK eywith youwhen you lea vetheve hicle.
Â
Place the Key in the
Marked Space See Opera-
tor's Manual *T
he SmartK eydetection function is malfunctioning.
#Change the location of the SmartK eyintheve hicle.
#Start theve hicle with the SmartK eyinthestow age compartment.
Display messages and warning/indicator lamps 435

Vehicle
Display messages
Possible causes/consequences and MSolutions
Apply Brake to Shift from
'P' *
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position.
#Depress the brake pedal.
To Deselect P or N,
Depress Brake and Start
Engine *
Yo u ha veattem ptedto shift the transmission out of position jori into ano ther transmission position.
#Depress the brake pedal.
#St art the engine.
Driver's Door Open &
Transmission Not in P Risk
of Vehicle Rolling Away *
The driver's door is not fully closed and the transmission is in position k,iorh.
#Shift the transmission toposition jwhen you park theve hicle.
N Permanently Active Risk
of Rolling Away *
While theve hicle is rolling or while you are driving,the transmission has been shif tedto position i.
#Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j.
#Tocontinue your journe y,shift the transmission toposition hork.
Only Shift to 'P' when Vehi-
cle is Stationary *
The transmission can only be shif tedto position jwhen theve hicle is stationar y.
436
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Service Required Do Not
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can no longer be shif ted.
#When the transmission is in position h, consult aqualified specialist workshop and do not shift the transmis‐
sion position.
#Fo r all other transmission positions, park theve hicle safely.
#Consult a qualified specialist workshop or breakdown service.
d
Vehicle Operational Switch
the Ignition Off Before Exit-
ing *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 the SmartK eywith you.
#Ifyo udo not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heating. 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 shift sto position iautomaticall y.
#Pullover and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Before le aving theve hicle, apply the electric parking brake.
#Switch the transmission toposition j.
#Consult a qualified specialist workshop.
Reversing Not Possible
Service Required *T
he transmission is malfunctioning. Reversege ar can no longe r be engaged.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 437

Displaymessages
Possible causes/consequences and MSolutions
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.
#Lea veengine running.
#Wa it until the display message disappears before pulling away.
Auxiliary Battery Malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d.
#Visit a qualified specialist workshop.
#Un tilthen, alw ays manually set the transmission toposition jbefore youswit choff the engine.
#Before leaving theve hicle, apply the electric parking brake.
Air Conditioning Malfunc-
tion See Operator's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode.
#Ha ve the climate control sy stem checked at a qualified specialist workshop.
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Display messages and warning/indicator lamps