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If yo udo not wish the electric parking brake tobe applied, lea vethe ignition switched on, e.g. when washing the
ve hicle in an automatic car wash or when having theve hicle towe daw ay. Do not do this when having theve hicle
to we d with there ar axle raised.
If th e electric parking brake is not applied automatically:
#Switch off the ignition and turn it back on.
#Re lease and then apply the electric parking brake manually .
If it is still not possible toapply the electric parking brake:
#Visit a qualified specialist workshop.
#Where necessar y,also safeguard the par kedve hicle against rolling away.
To release:
#Ifth e conditions for au tomatic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually .
If it is still not possible torelease the electric parking brake:
#Do not continue driving under any circums tances. Consult a qualified specialist workshop.
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Possible causes/consequences and MSolutions
$
(USA only)
J
(Canada only)
& K H F N % U D N H ) O X L G / H Y H O*T
here is insuf ficient brake fluid inthe brake fluid reser voir.
&
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid leve l is too lo w,the braking ef fect and the braking characteristics may be impaired.
#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.
Do not add brake fluid.
#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.
Do not add brake fluid.
#
& K H F N % U D N H 3 D G : H D U *T
he brake linings ha vereached thewe ar limit.
#Visit a qualified specialist workshop.
G
, Q R S H U D W L Y H *O
ne or more main features of the mbrace sy stem are malfunctioning.
#Vi sit a qualified specialist workshop.
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Possible causes/consequences and MSolutions
$ F W L Y H % U D N H $ V V L V W ) X Q F
W L R Q V & X U U H Q W O \ / L P L W H G 6 H H
2 S H U D W R U
V 0 D Q X D O *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE
®PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limitations .
#Drive on.
As soon as the ambient conditions are within the sy stem limitations, the sy stem will become 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 % U D N H $ V V L V W ) X Q F
W L R Q V / L P L W H G 6 H H 2 S H U D
W R U
V 0 D Q X D O *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE
®PLUS is malfunctioning.
Ve hicles without the Driving Assistance Package: Active Brake Assi stis malfunctioning.
#Visit a qualified specialist workshop.
3 5 ( 6 $ ) ( , 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 *
PRE‑SAFE
®functions are malfunctioning.
#Visit a qualified specialist workshop.
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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.
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6
6 5 6 0 D O I X Q F W L R Q 6 H U Y L F H
5 H T X L U H G*T
herestra int sy stem is defective (
→page 31).
&
WARNING Risk of injury orfata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or
airbag, forex ample.
#Ha ve there stra int sy stem checked and repaired immediately at a qualified specialist workshop.
De tection of a restra int sy stem malfunction:
Rth e6 restra int sy stem warning lamp does not light up when the ignition is switched on
Rthe6 restra int sy stem warning lamp lights up continuously or repeatedly during a journey
#Visit a qualified specialist workshop immediatel y.
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6
) U R Q W / H I W 0 D O I X Q F W L R Q
6 H U Y L F H 5 H T X L U H G(Example)*T
he cor responding restra int sy stem is malfunctioning (
→page 31).
&
WARNING Risk of injury orfata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or
airbag, forex ample.
#Ha ve there stra int sy stem checked and repaired immediately at a qualified specialist workshop.
De tection of a restra int sy stem malfunction:
Rth e6 restra int sy stem warning lamp does not light up when the ignition is switched on
Rthe6 restra int sy stem warning lamp lights up continuously or repeatedly during a journey
#Visit a qualified specialist workshop immediatel y.
6
/ H I W 6 L G H & X U W D L Q $ L U E D J
0 D O I X Q F W L R Q 6 H U Y L F H
5 H T X L U H G(Example) *T
he cor responding window air bag is malfunctioning .
&
WARNING Risk of injury orfata l injury due tomalfunctions in the window airbag
If th e window airbag is malfunctioning, it might be triggered unintentionally or might not be triggered at all in
th eev ent of an accident with high deceleration.
#Ha ve the window airbag checked and repaired immediately at a qualified specialist workshop.
#Visit a qualified specialist workshop immediatel y.
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Possible causes/consequences and MSolutions
) U R Q W 3 D V V H Q J H U $ L U E D J ' L V
D E O H G 6 H H 2 S H U D W R U
V 0 D Q
X D O *T
he front passenger air bag and the knee air bag are deactivated, eventh ough an adult or a person with a build
cor responding tothat of an adult is seated on the front passenger seat. If additional forc es are applied tothe seat,
th ewe ight the sy stem de tects may be too lo w.
&
WARNING Risk of injury orfata l injury due toa disabled front passenger airbag
If th e front passenger airbag is disabled, the front passenger airbag will not be deplo yed in theev ent of an acci‐
dent and cann otper form its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle's interior,
especially if the person is sitting too close tothe cockpit.
#Make sure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Check thest atus of the automatic front passenger air bag shutoff .
#If necessar y,consult a qualified specialist workshop immediatel y.
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) U R Q W 3 D V V H Q J H U $ L U E D J
( Q D E O H G 6 H H 2 S H U D W R U
V
0 D Q X D O *T
he front passenger air bag and knee air bags are enabled during the journey:
REven when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
REven when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat.
&
WARNING Risk of injury orfata l injury byusing a child restra int sy stem with the front passenger airbag
enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag.
#Make sure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
#Check thest atus of the automatic front passenger air bag shutoff .
#If necessar y,consult a qualified specialist workshop immediatel y.
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