MERCEDES-BENZ S-CLASS SEDAN 2018 Owner's Manual
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Displaymessages
Possible causes/consequences and MSolutions
h
: K H H O 6 H Q V R U V 0 L V V L Q J*T
here is no signal from the tire pressure sensor of one or more wheels. The pressure of the af fected tire is not
displ ayed.
#Ha ve the defective tire pressure sensor replaced at a qualified specialist workshop.
7 L U H 3 U H V V X U H 0 R Q L W R U , Q R S
H U D W L Y H 1 R : K H H O 6 H Q V R U V *T
he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
#Ins tall wheels with suitable tire pressure sensors.
7 L U H 3 U H V V 0 R Q L W R U , Q R S H U D
W L Y H *T
he tire pressure monitoring sy stem is malfunctioning.
&
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 489
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SmartKey
Displaymessages
Possible causes/consequences and MSolutions
Â
2 E W D L Q D 1 H Z . H \*T
he SmartK eyneeds tobe replaced.
#Visit a qualified specialist workshop.
Â
5 H S O D F H . H \ % D W W H U \ *T
he SmartK eybattery is dischar ged.
#Re place the battery .
Â
. H \ 1 R W ' H W H F W H G (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 .
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Display messages and warning/indicator lamps
Page 493 of 562
Displaymessages
Possible causes/consequences and MSolutions
Â
. H \ 1 R W ' H W H F W H G(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
' R Q
W ) R U J H W < R X U . H \ *A
warning tone also sounds. This message reminds youto take your Sm artK eywith youwhen you lea vetheve hicle.
Â
3 O D F H W K H . H \ L Q W K H
0 D U N H G 6 S D F H 6 H H 2 S H U D
W R U
V 0 D Q X D O *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 491
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Vehicle
Display messages
Possible causes/consequences and MSolutions
$ S S O \ % U D N H W R 6 K L I W I U R P
3
*
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position.
#Depress the brake pedal.
7 R ' H V H O H F W 3 R U 1
' H S U H V V % U D N H D Q G 6 W D U W
( Q J L Q H *
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.
' U L Y H U
V ' R R U 2 S H Q
7 U D Q V P L V V L R Q 1 R W L Q 3 5 L V N
R I 9 H K L F O H 5 R O O L Q J $ Z D \ *
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.
1 3 H U P D Q H Q W O \ $ F W L Y H 5 L V N
R I 5 R O O L Q J $ Z D \ *
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.
2 Q O \ 6 K L I W W R
3
Z K H Q 9 H K L
F O H L V 6 W D W L R Q D U \ *
The transmission can only be shif tedto position jwhen theve hicle is stationar y.
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Display messages and warning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
6 H U Y L F H 5 H T X L U H G ' R 1 R W
6 K L I W * H D U V 9 L V L W ' H D O H U *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
9 H K L F O H 2 S H U D W L R Q D O 6 Z L W F K
W K H , J Q L W L R Q 2 I I % H I R U H ( [ L W
L Q J *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 heater. Otherwise, the12 V
battery might dischar geand it will then only be possible tostart theve hicle using a second battery (s tarting
assis tance).
7 U D Q V P L V V L R Q 0 D O I X Q F W L R Q
6 W R S *
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.
5 H Y H U V L Q J 1 R W 3 R V V L E O H
6 H U Y L F H 5 H T X L U H G *T
he transmission is malfunctioning. Reversege ar can no longe r be engaged.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 493
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Displaymessages
Possible causes/consequences and MSolutions
6 W R S 9 H K L F O H / H D Y H ( Q J L Q H
5 X Q Q L Q J : D L W 7 U D Q V P L V V L R Q
& R R O L Q J *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.
#St art the engine.
#Wa it until the display message disappears before pulling away.
$ X [ L O L D U \ % D W W H U \ 0 D O I X Q F
W L R Q *T
he auxiliary batteryforth e transmission is no longer being charge d.
#Visit a qualified specialist workshop.
#Un tilthen, manually set the transmission toposition jbefore you switch offthe engine.
#Before leaving theve hicle, apply the electric parking brake.
$ L U & R Q G L W L R Q L Q J 0 D O I X Q F
W L R Q 6 H H 2 S H U D W R U
V 0 D Q X D O *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
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Displaymessages
Possible causes/consequences and MSolutions
/ H W I U H V K D L U L Q W R W K H Y H K L
F O H L Q W H U L R U $ L U & R Q G L W L R Q
L Q J 0 D O I 9 L V L W : R U N V K R S *T
he climate contro l system is malfunctioning.
&
WARNING Risk of injury and accident due toan insuf ficient supply of fresh air
If th e climate control sy stem is malfunctioning, carbon dioxide le vels may inc rease in theve hicle interior.
Breathing in carbon dioxide may cause dizziness.
#Open the window toensure that there is a suf ficient supply of fresh ai r.
#Openthe window toensure that there is a suf ficient supply of fresh ai r.
#Visit a qualified specialist workshop immediatel y.
Ð
6 W H H U L Q J 0 D O I X Q F W L R Q ' U L Y H
& D U H I X O O \ 6 H U Y L F H 5 H T X L U H G *T
he po wer assi stance of thesteering is malfunctioning. You may need touse more forc eto steer.
#Drive on carefull y.
#Visit a qualified specialist workshop.
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Displaymessages
Possible causes/consequences and MSolutions
Ð
6 W H H U L Q J 0 D O I X Q F W L R Q 6 W R S
, P P H G L D W H O \ 6 H H 2 S H U D
W R U
V 0 D Q X D O*T
hesteering is malfunctioning. Steering capability is considerably impaired.
&
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf etyis jeopardized.
#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.
#Consult a qualified specialist workshop.
#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.
#Consult a qualified specialist workshop.
Ð
6 W H H U L Q J 0 D O I X Q F W L R Q
, Q F U H D V H G 3 K \ V L F D O ( I I R U W
6 H H 2 S H U D W R U
V 0 D Q X D O *T
he po wer assi stance of thesteering is malfunctioning.
&
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely,yo uwill need touse more forc eto steer.
#If safe steering is possible, drive on carefully.
#Vi sit or consult a qualified specialist workshop immediatel y.
#If safesteering is possible, drive on carefully.
#Vi sit or consult a qualified specialist workshop immediatel y.
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Display messages and warning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
$ F W L Y H + R R G 0 D O I X Q F W L R Q
6 H H 2 S H U D W R U
V 0 D Q X D O *T
he active hood (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered.
#Vi sit a qualified specialist workshop.
M
*T he engine hood is open.
&
WARNING Risk of accident if the engine hood is unlatched while driving
An unloc ked engine hood may open up when theve hicle is in motion and block your vie w.
#Never unlatch the engine hood while driving.
#Before every trip, ensure that the engine hood is latched.
#Pull over and stop theve hicle safely as soon as possible.
#Close the engine hood.
C
*A t least one door is open.
#Close all doors.
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Displaymessages
Possible causes/consequences and MSolutions
N
*The trunk lid is open.
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the trunk lid is open when the engine is running, especially if theve hicle is in motion.
#Alw ays switch off the engine before opening the trunk lid.
#Ne ver drive with the trunk lid open.
#Close the trunk lid.
_
5 H D U / H I W % D F N U H V W 1 R W
/ D W F K H G (examp le) *T
he cor responding seat backrest of there ar bench seat is not engaged.
#Foldthe cor responding seat backrest back until it engages.
¥
& K H F N : D V K H U ) O X L G *T
hewasher fluid leve l in thewa sher fluid reser voir has dropped below the minimum.
#Ad dwa sher fluid .
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Display messages and warning/indicator lamps