Display messages
Possible causes/consequences and 0050 0050Solutions
Limiter passive *Y
ou ha vethe accelerator pedal depressed be yond the point of
re sis tance. Whilst you are accelerating, the limiter does not cont rol
yo ur speed. #
Remo veyour foot from the accelerator pedal. The limiter will be
re activated and will limit your speed.
Cruise control - - - km/h *A
n acti vation condition for cruise control has not been met.
Fo rex ample, you are aiming tostore a speed below 30 km/h. #
If conditions permit, drive at a speed greater than 30 km/h and
st ore the speed. #
Obser vethe activation conditions for cruise control
(/ page 159).
Cruise co ntrol and Lim-
iter inoperative *A
warning tone also sounds. Cruise control and the limiter are mal‐
functioning. #
Consult a qualified specialist workshop.
Blind Spot Assist not
available when towing a
trailer See Owner's Man-
ual *B
lind Spot Assist is switched off during trailer operation. #
Acknowled gethe display message with the0076 steering wheel
button.
Blind Spot Assist inoper-
ative *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
Blind Spot Assist cur-
rently unavailable See
Owner's Manual *B
lind Spot Assist is temp orarily non-operational.
The following causes are possible:
R The function is impaired due toheavy rain or sno w.
R The radar sensor sy stem is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting
st ations or other sources of radiation.
R The sy stem is outside the operating temp erature range.
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. #
Switch off the engine. #
Restart the engine.
00C6
--- km/h *D
SR has been switched on but is not acti veas you are driving at a
speed greater than 18 km/h. If you drive at a speed below 18km/h,
DSR will au tomatically brake again tothe set speed.
00C6
Off *D
SRwas deactivated.
If it was not deactivated bythe driver, e.g. due toa malfunction of
th e ESP ®
, a warning tone also sounds. 290
Display messa ges and warning and indicator lamps
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
Traffic Sign Assist cur-
rently unavailable See
Owner's Manual *T
raffic Sign 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.
If th e causes mentioned abo veno longer apply, the display message
will disappear and Traf fic Sign Assi stwill be operational again.
If th e display message does not go out: #
Stop in accordance with the tra ffic conditions. #
Secure theve hicle against rolling away. #
Clean the windscreen.
00D9 Off *T
he HOLD function has been deactivated. The vehicle has star ted
skidding.
A wa rning tone also sounds. #
Switch the HOLD function on again later (/ page165).
*T he HOLD function has been deactivated. An activation condition
will no longer be met when the brake pedal is depressed.
A wa rning tone also sounds. #
Check the activation conditions of the HOLD function
(/ page 165).
00C5
Lowering *
The vehicle le vel may be lo weredfo rth efo llowing reasons:
R You ha veselected a dif fere nt drive program.
R You ha veexc eeded the speed limit.
00C4
Vehicle rising *
The vehicle le vel may be raised forth efo llowing reasons:
R You ha veselected a dif fere nt drive program.
R You ha vefallen below the speed limit.
00C4 Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the com‐
pressor firs t needs tocool down toenable the selected driving le vel
to be set.
When the compressor has cooled down, theve hicle will continue
ri sing tothe selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make
sure that there is suf ficient ground cleara nce.
ä
Malfunction See Own-
er's Manual *A
IRMATIC is functioning only toa limited extent. The vehicle's han‐
dling characteristics may be af fected.
* NO
TEThe tyres on the front axle or thefe nde rscould be
damaged bylarge steering mo vements #
Avoid large steering mo vements while driving and lis tenfor
scraping sounds. 292
Display messages and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions #
Ifyo u hear sc raping sounds, pull over and stop theve hicle
in accordance with the traf fic conditions, and set a higher
ve hicle le vel if possible. #
Drive in a manner appropriate forth e cur rent le vel, but do not
exc eed 80 km/h. #
Consult a qualified specialist workshop. Engine
Display messages
Possible causes/consequences and 0050 0050Solutions
003D
See Owner's Manual *A
warning tone also sounds.
The battery is no longer being charge dfo r one of thefo llowing rea‐
sons:
R defective alternator
R torn poly -Vbelt
R malfunction in the electronics #
Stop immediately in accordance with the traf fic conditions and
switch off the engine.
Do not continue driving. If you do, the engine may overheat. #
Secure theve hicle against rolling away. #
Consult a qualified specialist workshop.
003A
Clean the fuel filter *T
here is water inthe fuel filter. The water must be drained off. #
Consult a qualified specialist workshop.
00AC
Coolant Stop vehicle
Switch engine off *A
warning tone also sounds. The coolant is too hot. &
WARNING Risk of burn s when opening the bonn et
If yo u open the bonn etwhen the engine has overheated or when
th ere is a fire inthe engine compartment, thefo llowing situa‐
tions may occur:
R You could come into con tact with hotgases.
R You could come into con tact with other hot, escaping oper‐
ating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the
bonn etclosed and call thefire service. &
WARNING Risk of scalding from hot coolant
If yo u open the cap, you could be scalded. #
Letthe mo tor cool down before opening the cap. Display messages and
warning and indicator lamps 293
Display messages
Possible causes/consequences and 0050 0050Solutions #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. #
Monitor the coolant temp erature display 00AConthe instrument
clus ter. #
Wait until the engine has cooled down. #
Ensure that the air supply tothera diator is not obstructed. #
Avoiding high engine loads, drive on tothe nearest qualified spe‐
cialist workshop. In doing so, ensure that the coolant temp era‐
ture display remains below 120°C.
00AC *T
hefan mo tor is defective. #
Check the coolant temp erature display 00AConthe instrument
clus ter.
If th e coolant temp erature is below 120°C, you can continue driving
to the nearest qualified specialist workshop.
Av oid high engine loads, e.g. driving on hilly roads or stop-and-go
driving.
00BD
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Top up with coolant, following the no tes on coolant
(/ page 225).
If yo u frequently need to top up the coolant: #
Have the engine cooling sy stem checked at a qualified specialist
wo rkshop.
009E
Replace air cleaner *T
he engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
00B2
Check eng. oil lev. when
next refuelling *A
warning tone also sounds. The oil le vel in your vehicle has fallen to
th e minimum.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe oil le vel when next refuelling, at the latest
(/ page 223). #
If necessar y,top up the engine oil (/ page 224). 294
Display messages and warning and indicator lamps
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