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Displaymessages
Possible causes/consequences and MSolutions
5 D G D U 6 H Q V R U V ' L U W \ 6 H H
2 S H U D W R U
V 0 D Q X D O *T
heradar sensor sy stem is malfunctioning. Possible causes are:
RSoiling of the sensors
RHeavy rain
REx tended country driving wi thout moving traf fic, e.g. in the desert
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Clean all sensors .
#Restart the engine.
Display messages and warning/indicator lamps 469
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Displaymessages
Possible causes/consequences and MSolutions
5 D G D U 6 H Q V R U V ' L U W \ 6 H H
2 S H U D W R U
V 0 D Q X D O *T
heradar sensor sy stem is malfunctioning. Possible causes are:
RSoiling of the sensors
RHeavy rain
REx tended driving on inter-urban roads without moving traf fic, e.g. in the desert
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Clean all sensors .
#Restart the engine.
47 0
Displ aymessage s andwarning/indicator lamps
Page 479 of 562
Displaymessages
Possible causes/consequences and MSolutions
$ F W L Y H % O L Q G 6 S R W $ V V L V W
& X U U H Q W O \ 8 Q D Y D L O D E O H 6 H H
2 S H U D W R U
V 0 D Q X D O *A
ctive Blind Spot Assist istemp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 238).
#Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
#Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
$ F W L Y H % O L Q G 6 S R W $ V V L V W
, Q R S H U D W L Y H *A
ctive Blind Spot Assist is malfunctioning.
#Visit a qualified specialist workshop.
$ F W L Y H % O L Q G 6 S R W $ V V W 1 R W
$ Y D L O D E O H : K H Q 7 R Z L Q J D
7 U D L O H U 6 H H 2 S H U D W R U
V 0 D Q
X D O *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable.
#Press the left-hand side of Touch Control and conf irm the display message.
Display messages and warning/indicator lamps 47
7
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![MERCEDES-BENZ S-CLASS SEDAN 2018 Owners Manual Displaymessages
Possible causes/consequences and MSolutions
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lind Spot Assist is t](/manual-img/4/34818/w960_34818-479.png "MERCEDES-BENZ S-CLASS SEDAN 2018 Owners Manual Displaymessages
Possible causes/consequences and MSolutions
% O L Q G 6 S R W $ V V L V W & X U U H Q W O \
8 Q D Y D L O D E O H 6 H H 2 S H U D W R U
V
0 D Q X D O *B
lind Spot Assist is t")
Displaymessages
Possible causes/consequences and MSolutions
% O L Q G 6 S R W $ V V L V W & X U U H Q W O \
8 Q D Y D L O D E O H 6 H H 2 S H U D W R U
V
0 D Q X D O *B
lind Spot Assist is temp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 238).
#Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or
#If th e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
#If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning.
% O L Q G 6 S R W $ V V L V W , Q R S H U D
W L Y H *B
lind Spot Assist is malfunctioning.
#Visit a qualified specialist workshop.
Example: $ F W L Y H 3 D U N L Q J
$ V V L V W 3 D U N L Q J & D Q F H O H G *A
ctive Parking Assist was inter rupted. You ha veopened the driver's door or touched thesteering wheel, forex am‐
ple.
#St eer and brake manuall y.
$ F W L Y H 3 D U N L Q J $ V V L V W D Q G
3 $ 5 . 7 5 2 1 , & , Q R S H U D W L Y H
6 H H 2 S H U D W R U
V 0 D Q X D O *A
ctive Parking Assist and Parking Assist PARKTRONI Caremalfunctioning .
#Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine.
#Ifth e display message continues tobe displa yed, consult a qualified specialist workshop.
47 8
Displ aymessage s andwarning/indicator lamps
Page 484 of 562
Engine
Display messagesPossible causes/consequences and MSolutions
& K H F N & R R O D Q W / H Y H O 6 H H
2 S H U D W R U
V 0 D Q X D O *T
he coolant le vel is too lo w.
* NO
TEEngine damage duetoinsuf ficient coolant
#Av oid long journe yswith insuf ficient coolant.
#Ad d coolant .
?
& R R O D Q W 7 R R + R W 6 W R S 9 H K L
F O H 7 X U Q ( Q J L Q H 2 I I *T
he coolant is too hot.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could
come into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Wa it until the engine has cooled down.
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 248 °F (120 °C).
482
Display message s andwarning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
?
*Thefan mo tor is defective.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 248 °F (120 °C).
#
6 H H 2 S H U D W R U
V 0 D Q X D O *T
he battery is not being charge d.
* NO
TEPossible engine damage if you continue driving#Do not continue dr iving under any circum stances.
#Consult a qualified specialist workshop.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions.
#Consult a qualified specialist workshop.
Display messages and warning/indicator lamps 483
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Displaymessages
Possible causes/consequences and MSolutions
#
6 W R S 9 H K L F O H 6 H H 2 S H U D
W R U
V 0 D Q X D O*T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue dr iving#Do not continue driving under any circum stances.
#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.
#Switch off the engine.
#Consult a qualified specialist workshop.
#
6 W D U W ( Q J L Q H 6 H H 2 S H U D
W R U
V 0 D Q X D O *T
he engine is off and the battery charge leve l is too lo w.
#Switch off electrical consumers that are not required.
#Leavethe engine running for a few minutes, or drive for a longer dis tance.
The battery charge s.
#
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 *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.
#St art the engine.
#Wa it until the display message disappears before pulling away.
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Display messages and warning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
4
& K H F N ( Q J L Q H 2 L O $ W 1 H [ W
5 H I X H O L Q J*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.
Ad d engine oil (
→page 382).
No tes on engine oil (
→page 449).
¯
' ( ) 6 \ V W H P ) D X O W ( Q J L Q H
6 W D U W 1 R W 3 R V V L E O H *T
he DEF sy stem is malfunctioning. You can no longe rst art the engine.
#Consult a qualified specialist workshop immediatel y.
¯
' ( ) 6 \ V W H P ) D X O W 6 H H
2 S H U D W R U
V 0 D Q X D O *T
he DEF sy stem is malfunctioning.
#Vi sit a qualified specialist workshop immediatel y.
Displaymessage s andwarning/indicator lamps 485
