Page 438 of 565

*
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using premium-grade unlea‐
ded fuel that con form sto EN 228, or an
equi valent specification.
Fu el of this specification may con tain up to
10 %ethanol. Your vehicle is suitable for use
with E10 fuel.
Do not refuel using:
R Diesel
R E85, E100
R Petrol containing me thanol (M15, M30,
M85, M100)
R Petrol wi thadditives con taining me tal
If yo u accidentally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. E 200, E 250, E 400 4MATIC:
Observethe
information on sulphur con tent on the informa‐
tion table in the fuel filler flap: *
NO
TEDama getothe emission control
sy stem caused byfuel with a too high
sulphur content #
Only use sulphur-free fuel (sulphur con‐
tent ≤ 10ppm). All
other models: Ifth eav ailable fuel is not suf‐
fi ciently low in sulphu r,th is can produce
unpleasant odours. Re
commended fuel: there commended octane
number foryo ur vehicle can be found in the
information table in the fuel filler flap
(→ page 175).
As a temp orary measure, if there commended
fuel is not available, you may also use unleaded
re gular petrol with an octane number of at leas t:
R E 250: 93RON
R Allother models: 91RON
This may reduce engine output and increase fuel
consum ption.
Ne verre fuel using petrol with a lo werRO N.
Fu rther information on fuel can be found:
R Atafilling station
R Ataqu alified specialist workshop
Information on additives in petrol
Obser vethe no tes on operating fluids
(→ page 433). Te
ch nical da ta435
Page 453 of 565

Display messages
Possible causes/consequences and M
MSolutions
T
!
÷ inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving and driving saf ety sy stems may also be faulty. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
!
Turn on the ignition to
release the parking brake *
The red! indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch the ignition on. 450
Display messages and warning/indicator lamps
Page 455 of 565

Display messages
Possible causes/consequences and M
MSolutions
! Parking brake See Owner's
Manual *
The yellow ! indicator lamp is lit. The elect ric pa rking 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: #
Consult a qualified specialist workshop. #
Where necessar y,also safeguard the par kedve hicle against rolling away.
The yellow ! indicator lamp and there d! indicator lamp are lit. The elect ric pa rking brake is malfunction‐
ing.
To release: #
Swit choff the ignition and turn it back on. #
Release the electric parking brake manually .
or #
Release 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 d! indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. 452
Display messages and warning/indicator lamps
Page 456 of 565
Display messages
Possible causes/consequences and M
MSolutions #
Switch off the 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 it is not possible toapply the electric parking brake or there d! 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 lit and there d! indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th e bat tery charge 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. Displ
aymessa ges and warning/indicator lamps 453
Page 457 of 565

Display messages
Possible causes/consequences and M
MSolutions
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 turn 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. 454
Display messages and warning/indicator lamps
Page 461 of 565
Display messages
Possible causes/consequences and M
MSolutions
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page31). &
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. Re
cognising a restra int sy stem malfunction
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.458
Display messages and warning/indicator lamps
Page 462 of 565

Display messages
Possible causes/consequences and M
MSolutions
6 Example:Front left malfunc-
tion Consult workshop *T
he cor responding restra int sy stem is malfunctioning (→ page31). &
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. Re
cognising a restra int sy stem malfunction
R The 6 restra int sy stem warning lamp does not light up when the ignition is switched on.
R The 6 restra int sy stem warning lamp lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
6
Example:Left windowbag
malfunction Consult work-
shop *T
he cor responding window airbag is malfunctioning (→ page 36). &
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 459
Page 481 of 565
Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor is inter rupte d or the oil le vel sensor is faulty.
The engine oil le vel has dropped tothe minimum le vel. #
Consult a qualified specialist workshop.
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. #
Refill Ad Blue ®
immediately .
Ø Refill AdBlue Eng. start not
possible *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Top up at least 4.0 lof Ad Blue ®
. #
Switch the ignition on.
Yo u can restart the engine af ter appro ximately one minu te.
Ø
Check AdBlue See Owner’s
Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop. 478
Displaymessa ges and warning/indicator lamps