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If yo u do 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 switch it back on. #
Release and then apply the electric parking brake manually .
If it is still not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. #
Where necessar y,also safeguard the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic 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. 432
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Brake immediately *
Ve hicles with manual transmission: a malfunction has occurred while the HOLD function was activated.
A tone may also sound at regular inter vals. If you attem pttolock theve hicle, theto ne becomes louder.
Yo u cannot start the engine. #
Immediately depress the brake pedal firm lyuntil the display message disappears.
Yo u can restart the engine.
J
Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel 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 top up the 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 top up the brake fluid. Display messages and
warning/indicator lamps 433
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# Check brake pad wear *T
he brake linings ha vereached thewe ar limit. #
Consult a qualified specialist workshop.
G Inoperative *O
ne or more main functions of the Mercedes me connect sy stem is/are malfunctioning. #
Consult a qualified specialist workshop.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
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 borders . #
Drive on.
As soon as the ambient conditions are within the sy stem borders, 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. 434
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Active Brake Assist Func-
tions limited See Owner's
Manual *
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. #
Consult a qualified specialist workshop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop.
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain
R extended driving on inter-urban roads without moving traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy 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 ety sy 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 senso rs . #
Restart the engine. Display messages and
warning/indicator lamps 435
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6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page 28). &
WARNING Risk of inju ryor fata 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 seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem malfunction:
R the6 restra int sy stem warning lamp does not light up when the ignition is switched on
R the6 restra int sy stem warning lamp lights up continuously or repeatedly during a journey #
Consult a qualified specialist workshop immediatel y.436
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6 Example:Front left malfunc-
tion Consult workshop *T
he cor responding restra int sy stem is malfunctioning (→ page 28). &
WARNING Risk of inju ryor fata 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 seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem malfunction:
R the6 restra int sy stem warning lamp does not light up when the ignition is switched on
R the6 restra int sy stem warning lamp lights up continuously or repeatedly during a journey #
Consult a qualified specialist workshop immediatel y.
6
Example:Left windowbag
malfunction Consult work-
shop *T
he cor responding window airbag is malfunctioning . &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident
wi th high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 437
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Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag is disabled, 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, thewe ight the sy stem
de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
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 airbag shutoff . #
If necessar y,consult a qualified specialist workshop immediatel y.438
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Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even 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
R even 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 inju ryor eve nfa ta l injury from using a child restra int sy stem when the front passenger
airbag is 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. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
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 airbag shutoff . #
If necessar y,consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 439
