Display messages
Possible causes/consequences and 0050 0050Solutions
00C6
inoperative *A
warning tone also sounds. DSR is una vailable due toa malfunc‐
tion. #
Consult a qualified specialist workshop.
Active Parking Assist
cancelled *A
n acoustic signal sounds as well. The active parking assis tance
sy stems ha vebeen cancelled and Active Parking Assist will auto‐
matically be abor ted. You ha vetouched thesteering wheel, for
ex ample, or ha vedriven at too high a speed. #
Steer and brake manuall y. #
Repeat the parking procedure if necessar y.Comply with the
deactivation conditions (/ page169).
Active Parking Assist
inoperative *P
ARKTRONIC is malfunctioning or defe ctive. #
Comply withthe instructions and aids in "Function of
PA RKTRONIC"( /page 166). #
Ifth e display message continues tobe displa yed, consult a
qu alified specialist workshop:
*A ctive Parking Assist is not available or is malfunctioning. #
Swit choff the ignition. #
Restart the engine.
If th e display message continues tobe displa yed, or if the display
does not show the005D symbol: #
Consult a qualified specialist workshop.
Lane Keeping Assist
inoperative *L
ane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Lane Keeping Assist cur-
rently unavailable See
Owner's Manual *L
ane Keeping Assist has been switched off and is temp orarily non-
operational.
The following causes are possible:
R The windsc reen is dirty in the camera's field of vision.
R Visibility is impaired due toheavy rain, snow or fog.
R Lane markings are absent for a long period of time.
R The lane markings are worn, dark or co veredby dirt or sno w,for
ex ample.
If th e causes mentioned abo veno longer apply, the display message
will disappear and Lane Keeping Assist will be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Secure theve hicle against rolling away. #
Clean the windscreen.
Traffic Sign Assist inoper-
ative *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning and indicator lamps 291
Display messages
Possible causes/consequences and 0050 0050Solutions
If engine oil frequently needs tobe topped up: #
Have the engine checked at a qualified specialist workshop.
00B2
Engine oil level Stop vehi-
cle Switch engine off *T
he oil le vel is too lo w.There is a risk of engine damage. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. #
Secure theve hicle against rolling away. #
Check the oil le vel (/ page 223). #
If necessar y,top up the engine oil (/ page 224).
00B4 Reserve fuel level *T
he fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (s tationary hea ter) is deactivated
in there ser verange. #
Refuel theve hicle.
Ï *T
here is very little fuel in the fuel tank. #
It is absolutely essential torefuel at the nearest filling station. Ad
Blue ® Displ
aymessages
Possible causes/consequences and 0050 0050Solutions
00C8
Refill AdBlue See Own-
er’s Manual *
Awa rning tone also sounds. The AdBlue ®
leve l has fallen below the
re ser verange. #
Top up with AdBlue ®
as soon as possible (/ page 149).
00C8 Refill AdBlue Emer. oper.
in XXX km See Owner's
Manual *
Awa rning tone also sounds. The AdBlue ®
leve l is suf ficient only for
th e dis tance displ ayed. If you subse quently start the engine again,
yo u will be able todrive theve hicle only at a maximum speed of
20 km/h forth e dis tance shown. Engine mana gement will then pre‐
ve nt the engine from starting. #
Top up with AdBlue ®
immedia tely (/ page149).
00C8 Limp -home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can
drive the dis tance shown at a maximum speed of 20 km/h. If you
subsequently switch off the engine, the engine management sy stem
will pr eventthe engine from being star ted again. You will then be
able tostart the engine only once you ha verefilled theAd Blue ®
ta nk. #
Stop theve hicle in accordance with the tra ffic conditions. #
Top up with AdBlue ®
immedia tely (/ page149). Displ
aymessa ges and warning and indicator lamps 295
Display messages
Possible causes/consequences and 0050 0050Solutions
00C8
Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can no
lon gerst art the engine. #
Top up with at least 8 l AdBlue ®
(/ page 149). #
Turn theke yto position 0048inthe ignition lock and waitfor
appr oximately one minute.
The engine can be restar ted once the engine management has
de tected the new le vel.
0099 AdBlue system Malfunc-
tion See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
0099 AdBlue malfunction
Emer. oper. in XXX km
See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
The displa yed dis tance is the maximum you can drive. If you subse‐
qu ently start the engine again, you will be able todrive theve hicle
only at a maximum speed of 20 km/h forth e dis tance shown. Af ter
th at, the engine management sy stem will pr event the engine from
being star ted again. #
Consult a qualified specialist workshop immediatel y.
0099 Limp-home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
Yo u may continue todrive the displa yed dis tance at a maximum
speed of 20 km/h. If you subse quently switch off the engine, the
engine management sy stem will pr eventthe engine from being star‐
te d again. #
Drive on toaqu alified specialist workshop.
or #
Stop theve hicle in accordance with the tra ffic conditions and
consult a qualified specialist workshop.
0099 Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
Yo u can no lon gerst art the engine. #
Inform a qualified specialist workshop immediately. Ty
res Display messages
Possible causes/consequences and 0050 0050Solutions
Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fer‐
ence in tyre pressu rebetween the individual wheels is too great. #
Check the tyre pressure at the next opportunity . #
Correct the tyre pressure as necessar y. #
Restart the tyre pressure monitoring sy stem (/ page 255).
Check tyre(s) *A
warning tone also sounds.
The tyre pressure in one or more tyres has dropped significantl y.296
Display messages and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions &
WARNING Risk of an accident due toinsuf ficient tyre pres‐
sure
R The tyres can burs t.
R The tyres can wearexcessi velyand/or une venly.
R The driving characteristics as well as thesteering and brak‐
ing may be greatly impaired.
Yo u could then lose cont rol of theve hicle. #
Obser vethere commended tyre pressu res. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle without steering or braking suddenl y.Pa y atten‐
tion tothe tra ffic conditions. #
Secure theve hicle against rolling away. #
Check the tyres. If necessar y,replace the wheel (/ page 259). #
Check the tyre pressure. Cor rect the tyre pressure as neces‐
sary .
Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenl y.&
WARNING Risk of an accident from driving wi thaflat tyre
R The tyres can overheat and cause a fire.
R The driving characteristics as well as thesteering and brak‐
ing may be greatly impaired.
Yo u could then lose cont rol of theve hicle. #
Do not drive on with a flat tyre. #
Obse rveth e no tes on flat tyres. #
Stop theve hicle without steering or braking suddenl y.Pa y atten‐
tion tothe tra ffic conditions. #
Secure theve hicle against rolling away. #
Check the tyres. If necessar y,replace the wheel (/ page 259).
Tyre press. monitor cur-
rently unavailable *D
uetoa source of radio inter fere nce, no signals from the tyre pres‐
sure sensors are being received. The tyre pressure monitoring sys‐
te m is temp orarily malfunctioning.
The tyre pressure monitoring sy stem will restart automatically as
soon as the cause has been rectified.
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of at least one tyre.
The display is not showing any pressure value forth e tyre in ques‐
tion. #
Have thefa ulty tyre pressure sensor replaced at a qualified spe‐
cialist workshop.
Tyre pressure monitor
inoperative No wheel
sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The
tyre pressure monitoring sy stem is deactivated. Display messages and
warning and indicator lamps 297
Display messages
Possible causes/consequences and 0050 0050Solutions
Cooling down can take afe w minutes. When the clutch has cooled
down, the display message will disappear and the clutch will be fully
operational again.
Ò *T
hetailgate is open. #
Close theta ilgate.
Ó *A
warning tone also sounds. The bonnet is open. &
WARNING Risk of accident due todriving with the bonn et
unlo cked
The bonn etmay open and block your vie w. #
Neverre lease the bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately in accordance with the traf fic con‐
ditions. #
Secu retheve hicle against rolling away. #
Close the bonn et.
0051 *I
n addition, a warning tone sounds du ring the trip.
The display sho ws the open door or doors. #
Close all the doors.
00B2
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped
below the minimum. #
Top up thewa sher fluid (/ page 226).
00CC Power steering malfunc-
tion See Owner's Manual *A
warning tone also sounds. The po wer assi stance forth esteering
could be malfunctioning. You may need tosteer more forc efully. #
Carefully continue toaqu alified specialist workshop and ha ve
th esteering checked immediatel y.
Telephone No service *Y
our vehicle is outside the transmission and receiver range of the
mobile phone network pr ovider.
To start engine, shift to
either P or N *
Yo u ha veattem pted tostart the engine in transmission position 005E
or 005B. #
Shift the transmission toposition 005Dor005C.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being
ch arge d. #
Consult a qualified specialist workshop.
Apply brake to deselect
Park (P) position *
Yo u ha vetried toshift the transmission toposition 005B,005Eor005C
without applying the brake. #
Depress the brake pedal. Display messages and
warning and indicator lamps 299
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
004D
Brake sy stem warning
lamp *T
he red brake sy stem warning lamp is on while the engine is running.
EBD is not available due toa malfunction. As a result, BAS, hill start
assist and ESP ®
as well as their driving saf ety sy stems are not availa‐
ble.
AT TENTION ASSIST has been deactivated and additional driving sys‐
te ms may ha vebeen switched off automatically. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are mal‐
functioning
The wheels may blo ckduring braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking dis tance may increase. 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. #
Switch off the engine, wait a while and restart the engine. #
Check whe ther the display message has disappeared and ESP ®
is
operational.
If th e display message continues tobe displa yed: #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
004D Brake sy stem warning
lamp *The
red brake sy stem warning lamp is on while the engine is running.
A wa rning tone also sounds.
The brake forc e boosting is malfunctioning. &
WARNING Risk of accident and injury if brake forc e boosting
is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal
fo rc e may be necessary for braking. The braking characteristics
may be impaired. The braking dis tance can increase in eme rgency
braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. #
Secure theve hicle against rolling away.
004D
Brake sy stem warning
lamp *T
he red brake sy stem warning lamp is on while the engine is running.
The reis 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 brak‐
ing characteristics may be impaired. Display messages and
warning and indicator lamps 303
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Stop theve hicle as soon as possible, paying attention to
ro ad and traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Secure theve hicle against rolling away.
0025
ABS warning lamp *T
he yellow ABS warning lamp is on while the engine is running.
ABS has been switched off due toa malfunction. As a result, BAS, hill
st art assist and ESP ®
as well as their driving saf ety sy stems ha vealso
been swit ched off.
AT TENTION ASSIST has been deactivated and additional driving sys‐
te ms may ha vebeen switched off automaticall y. &
WARNING Risk of skidding if ABS and ESP ®
are malfunction‐
ing
The wheels may blo ckduring braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking dis tance may increase. In addition, other driving
saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified spe‐
cialist workshop. #
Switch off the engine, wait a while and restart the engine. #
Check whe ther the display message has disappeared and ESP ®
is
operational.
If th e display message continues tobe displa yed: #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
If th e ABS cont rol unit is defective, other sy stems may be available
only with restrictions or may be una vailable, e.g. the navigation sys‐
te m or the automatic transmission.
00E5 ESP ®
wa rning lamp *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
ESP ®
or traction contro l intervenes because there is a risk of skidding
or at least one wheel is spinning.
Cruise contro l orActive Dis tance Assi stDISTRONIC has been au to‐
matical lyswitched off. #
When pulling away, accelerate only as much as is necessar y. #
Dep ress the accelerator pedal less during your journe y. #
Adapt your driving style to suit thero ad and weather conditions. #
Do not swit choff ESP ®
. 304
Display messages and warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
In exc eptional cases, it may be better toswitch off
ESP ®
(/ page 154).
00E5 ESP ®
wa rning lamp *
The yellow ESP ®
wa rning lamp is on while the engine is running.
ESP ®
,BA S and hill start assist are una vailable due toa malfunction.
AT TENTION ASSIST is deactivated and other driving sy stems could be
automatically deactivated. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisa‐
tion. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Pay attention tothe display messages. #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
00BB ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is on while the engine is running
or the ECO start- stop function is active.
ESP ®
has been switched off. &
WARNING Risk of skidding when driving with ESP®
deacti va‐
ted
ESP ®
does not act tostabilise theve hicle. The availability of fur‐
th er driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist
wo rkshop. #
Switch ESP ®
on again.
In exceptional cases, it may be better toswitch off
ESP ®
(/ page 154). #
Adapt your driving style to suit thero ad and weather conditions.
If ESP ®
cannot be swit ched on: #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. Display messages and
warning and indicator lamps 305