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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 208).
#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.
% O L Q G 6 S R W $ V V L 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, Blind Spot Assist is una vailable.
#Press the left-hand side of Touch Control and confirm the display message.
$ 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 425
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Displaymessages
Possible causes/consequences and MSolutions
$ 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 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 (Example) *T
he parking assis tance from Active Parking Assist was inter rupte d.You ha veopened the driver's door or touched
th esteering wheel, forex ample.
#Steer 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.
$ F W L Y H 3 D U N L Q J $ V V L V W
0 D Q H X Y H U L Q J $ V V L V W D Q F H
5 H V W U L F W H G 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 Carete mp orarily una vailable. The ambient conditions are out‐
side the sy stem limitations (
→page 199). Be wareofthe entire vehicle sur roundings.
#As soon as the ambient conditions are within the sy stem limitations, the sy stem will become available again.
7 U D I I L F 6 L J Q $ 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 *T
raffic Sign Assist is temp orarily una vailable.
#Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
Display messages and warning/indicator lamps 427
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Displaymessages
Possible causes/consequences and MSolutions
¯ P S K*C
ruise control cannot be activated as not all activation conditions are fulfilled.#Obser vethe activation conditions for cruise control .
& U X L V H & R Q W U R O & D Q F H O H G *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (
→page 175).
& U X L V H & R Q W U R O , Q R S H U D W L Y H *C
ruise control is malfunctioning.
#Visit a qualified specialist workshop.
Engine
Display messages
Possible 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 .
430
Display messages and warning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
?
& 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.
#St op theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine.
&
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 there d area.
Display messages and warning/indicator lamps 431
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Displaymessages
Possible causes/consequences and MSolutions
#
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 dr iving#Do not continue driving 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.
#
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 dr iving#Do not continue driving under any circum stances.
#Consult a qualified specialist workshop.
#St op theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine.
#Consult a qualified specialist workshop.
432
Display messages and warning/indicator lamps
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Displaymessages
Possible causes/consequences and MSolutions
#
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 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 dr iving 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 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 lo w.
#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.
Displ aymessage s andwarning/indicator lamps 433
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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 330).
No tes on engine oil (
→page 396).
8
) X H O / H Y H O / R Z *T
he fuel le vel has dropped into there ser verange.
#Re fuel.
?
*T hefan 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 there d marking.
8
* D V & D S / R R V H *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.
434
Display messages and warning/indicator lamps
Page 441 of 506
Displaymessages
Possible causes/consequences and MSolutions
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 .
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 SmartK eywith you when you lea vetheve hicle.
Display messages and warning/indicator lamps 439
