MERCEDES-BENZ E-CLASS WAGON 2018 Owner's Manual

Displaymessages
Possible causes/consequences and MSolutions
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(USA only)
!
(Canada only)
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The yellow ! indicator lamp is lit. The elect ric park ing brake is malfunctioning.
To appl y:
#Switch off the ignition and turn it back on.
#Apply the electric parking brake manually .
If it is not possible toapply the electric parking brake:
#Visit a qualified specialist workshop.
#Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow ! andthere d F (USA only) or !(Canada only) indicator lamps are lit. The electri c parking
brake is malfunctioning.
To release:
#Swit choff the ignition and turn it back on.
#Re lease the electric parking brake manually .
or
#Re lease the electric parking brake automatically .
If it is still not possible torelease the electric parking brake:
#Do not continue driving under any circums tances. Consult a qualified specialist workshop.
The yellow ! indicator lamp is lit and there dF (USA only) or !(Canada only) indicator lamp is flashing.
The electric parking brake is malfunctioning.
The electric parking brake could not be applied or released.
Display messages and warning/indicator lamps 409

Displaymessages
Possible causes/consequences and MSolutions
#Switch offthe ignition and turn it back on.
To appl y:
#Release and then apply the electric parking brake manually .
To release:
#Apply and then release the electric parking brake manuall y.
If th e electric parking brake cannot be applied orthere dF (USA only) or !(Canada only) indicator lamp
continues toflash:
#Do not continue driving under any circum stances. Consult a qualified specialist workshop.
#Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow ! indicator lamp is on and there dF indicator lamp (USA only) or the! indicator lamp (Can‐
ada only) flashes for app roxima tely ten seconds af terth e electric parking brake has been applied or released. It
th en remains lit or goes out. The electric parking brake is malfunctioning.
If th e batte rycharge leve l is too lo w:
#Char gethe batter y.
To appl y:
#Switch the ignition off.
The electric parking brake is applied automaticall y.
410
Displ aymessage s andwarning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
If th e electric parking brake should not be applied, e.g. when washing theve hicle in an automatic car wash or when
having theve hicle towe daw ay, lea vethe ignition switched on. An exception is when having theve hicle towe d with
th ere 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.
Display messages and warning/indicator lamps 41
1

Displaymessages
Possible causes/consequences and MSolutions
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(USA only)
J
(Canada only)
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here is insuf ficient brake fluid inthe brake fluid reser voir.
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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.
#
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he brake linings ha vereached thewe ar limit.
#Visit a qualified specialist workshop.
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ne or more of the mbrace sy stem's main features are malfunctioning.
#Vi sit a qualified specialist workshop.
41 2
Displ aymessage s andwarning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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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.
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Ve hicles with the Driving Assistance pa ckage: 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.
Display messages and warning/indicator lamps 41
3

Displaymessages
Possible causes/consequences and MSolutions
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Ve hicles with Driving Assistance pac kage:Ac tive Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE
®PLUS is malfunctioning.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stis malfunctioning.
#Visit a qualified specialist workshop.
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PRE‑SAFE
®functions are malfunctioning.
#Visit a qualified specialist workshop.
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®Impulse Side is malfunctioning or inoperative af ter having already been triggered.
#Vi sit a qualified specialist workshop.
41 4
Displ aymessage s andwarning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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heradar sensor sy stem is malfunctioning. Possible causes:
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 41
5

Displaymessages
Possible causes/consequences and MSolutions
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herestra int sy stem is malfunctioning .
&
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.
416
Displ aymessage s andwarning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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he cor responding restra int sy stem is malfunctioning .
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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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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.
Displaymessage s andwarning/indicator lamps 41
7

Displaymessages
Possible causes/consequences and MSolutions
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he front passenger air bag and the knee air bag are deactivated, eventh ough an adult or a person with a stature
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.
418
Displ aymessage s andwarning/indicator lamps