Page 305 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions
007A
0025
00E5
Inoperative See Opera-
tor's Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are mal‐
functioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock
when braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have the brake sy stem checked immediately at a qualified
specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediately.
00E5 Inoperative See Opera-
tor's Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning.
The brake sy stem continues working with the normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabili‐
zation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Continue driving carefully. #
Visit a qualified specialist workshop immediately.
00E5 Currently Unavailable
See Operator's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabili‐
zation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Carefully drive some gentle cur ves at abo ve19 mp h (30 km/h)
on a suitable stre tch of road. Display messages and
warning and indicator lamps 281
Page 306 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions #
Ifth e display message does not go out, visit a qualified special‐
ist workshop immediately. Drive carefully when doing so.
0025
00E5
Currently Unavailable
See Operator's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be tem‐
porarily una vailable. &
WARNING Risk of skidding if ABS and ESP ®
are malfunc‐
tioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have ABS and ESP ®
ch ecked immediately at a qualified
specialist workshop. #
Carefully drive some gentle cur ves at abo ve19 mp h (30 km/h)
on a suitable stre tch of road. #
Ifth e display message does not go out, visit a qualified special‐
ist workshop immediately. Drive carefully when doing so.
0025
00E5
Inoperative See Opera-
tor's Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning.
The brake sy stem continues working with the normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ABS and ESP ®
are malfunc‐
tioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have ABS and ESP ®
ch ecked immediately at a qualified
specialist workshop. #
Continue driving carefully. #
Visit a qualified specialist workshop immediately. 282
Display messages and warning and indicator lamps
Page 307 of 354

Driving sy
stems Display messages
Possible causes/consequences and 0050 0050Solutions
00CB
Maximum Speed Excee-
ded *Y
ou ha veexc eeded the maximum permitted speed (only specific
count ries). #
Drive more slowl y.
Cruise Control Inopera-
tive *C
ruise control is malfunctioning. #
Visit a qualified specialist workshop.
00B2
Off *C
ruise control has been deactivated.
If a warning tone also sounds, this means cruise control has deacti‐
va ted itself automatically (/ page141).
00B2 - - - mph *C
ruise control cannot be activated as not all activation conditions
ha ve been met. #
Obser vethe activation conditions of cruise cont rol
( / page 142).
Active Distance Assist
Inoperative *T
heActive Dis tance Assi stDISTRONIC is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. #
Visit a qualified specialist workshop.
Active Distance Assist
Currently Unavailable
See Operator's Manual *T
heActive Dis tance Assi stDISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page143). #
Continue driving.
When the ambient conditions are within the sy stem limits, the
sy stem will be available again.
00CE
00B0
á
Currently Unavailable
Camera Dirty *
The camera view is reduced. Possible causes:
R dirt on the windshield in the camera's field of vision
R heavy precipitation or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Clean the windshield. #
If necessar y,visit a qualified specialist workshop. Display messages and
warning and indicator lamps 283
Page 308 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions Currently Unavailable
Radar Sensors Dirty
*
The radar sensor sy stem is malfunctioning. Possible causes:
R dirt on the sensors
R heavy precipitation
R extended country drives wi thout other traf fic, e.g. in the desert
The following sy stems may be af fected:
R Active Dis tance Assi stDISTRONIC (/ page 143)
R Blind Spot Assist(/ page152)
R Active Brake Assi st (/ page 139)
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in a safe location. #
Clean all sensors (/ page212). #
Re-sta rt the engine. #
If necessar y,visit a qualified specialist workshop.
Active Distance Assist
Now Available *T
heActive Dis tance Assi stDISTRONIC is operational again and can
be acti vated (/ page144).
00D9 Off *T
he HOLD function has been deactivated because theve hicle is slip‐
ping or an activation condition has not been met. #
Re-acti vate the HOLD function later on or check the HOLD func‐
tion's activation conditions (/ page145).
Blind Spot Assist Inoper-
ative *B
lind Spot Assist is malfunctioning (/ page152). #
Visit a qualified specialist workshop.
Blind Spot Assist Trailer
Not Monitored *W
hen you es tablish an electrical connection with the trailer, Blind
Spot Assist will remain available but the area beside the trailer will
not be monitored. The function of Blind Spot Assist may be restric‐
te d as a result (/ page152). #
Press the left-hand Touch Control and ackn owledge the display
message.
Blind Spot Assist Cur-
rently Unavailable See
Operator's Manual *B
lind Spot Assist is temp orarily una vailable (/ page152).
The sy stem limits ha vebeen reached (/ page152). #
Continue driving.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again.
or #
Ifth e display message does not go out, stop in a safe location
and re-sta rt the engine. #
If necessar y,clean there ar bumper. If the bumper is very dirty,
th e sensors in the bumper may malfunction.
*T he camera view is reduced (/ page155). 284
Displaymessa ges and warning and indicator lamps
Page 309 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions
Active Lane Keeping
Assist Camera View
Restricted See Opera-
tor's Manual Po
ssible causes:
R dirt on the windshield in the camera's field of vision
R heavy precipitation or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in a safe location. #
Clean the windshield.
Active Lane Keeping
Assist Inoperative *A
ctive Lane Keeping Assist is malfunctioning (/ page155). #
Visit a qualified specialist workshop.
Active Lane Keeping
Assist Currently Unavail-
able See Operator's Man-
ual *A
ctive Lane Keeping Assist is temp orarily una vailable (/ page155).
The ambie nt conditions are outside the sy stem limits (/ page155). #
Continue driving.
When the ambient conditions are within the sy stem limits, the
sy stem will be available again.
If th e display message does not disappear: #
Stop in a safe location. #
Clean the windshield.
00AD
ATTENTION ASSIST Inop-
erative *T
heATTENTION ASSIST is malfunctioning. #
Visit a qualified specialist workshop.
00AD
ATTENTION ASSIST:
Take a Break! *T
heATTENTION ASSIST has de tected fatigue or increasing inatten‐
tiveness on the driver's part (/ page151). #
Ifnecessa ry,ta ke a break. Engine
Displ
aymessages
Possible causes/consequences and 0050 0050Solutions
00D4
Fuel Level Low *T
he fuel supplies ha vereached there ser veleve l. #
Refuel.
009E
Replace Air Filter *
Ve hicles with a diesel engine: The engine airfilter is clogged and
must be replaced. #
Visit a qualified specialist workshop. Display messages and
warning and indicator lamps 285
Page 310 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions
00AC *T
hefan mo tor is defective. #
Without a high engine load, continue tothe nearest qualified
specialist workshop. Ensure that the coolant temp erature dis‐
play remains below 248 °F (120 °C).
003A Check Fuel Filter *T
hewaterth at has accumulated in thewate r sepa rato r has reached
th e maximum le vel. #
Drain thewate r sepa rator (/ page 209).
00B3 Engine Oil Level Cannot
Be Measured *T
he electrical connection tothe oil le vel sensor has been inter rup‐
te d or the oil le vel sensor is defective.
The engine oil le vel has fallen tothe minimum le vel. #
Visit a qualified specialist workshop.
00B2
Engine Oil Pressure Stop
Switch Off Engine *D
isplay message for cer tain engines only:
The engine oil pressure is too lo w.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop.
00B2
Check Engine Oil Level
(Add 1 Liter) *D
isplay message for cer tain engines only:
The engine oil le vel has fallen tothe minimum le vel.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe engine oil le vel at the next fuel stop.
To p up engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
00B2
Engine Oil Reduce Oil
Level *D
isplay message for cer tain engines only:
The engine oil le vel is too high.
* NO
TEEngine damage caused bydriving with excess engine
oil #
Avoid long journe yswith excess engine oil. #
Visit a qualified specialist workshop immediately and ha vethe
engine oil suctioned off.
00B2 *D
isplay message for cer tain engines only:
The engine oil le vel is too lo w. 286
Display messages and warning and indicator lamps
Page 311 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions
Engine Oil Level Low
Stop Vehicle Turn
Engine Off *
NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop in a safe location immediately. Do not continue driving. #
Switch off the engine. #
Check the engine oil le vel.
Ad d engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
00B2
Check Engine Oil At
Next Refueling *T
he engine oil le vel has fallen tothe minimum le vel.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe engine oil le vel at the next fuel stop.
To p up engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
003D
Stop Vehicle Leave
Engine Running *T
he battery's charge leve l is too lo w. #
Stop in a safe location immediately. Do not continue driving! #
Let the engine run. #
Do not continue driving until the display message goes out.
003D
Stop Vehicle See Opera-
tor's Manual *T
he battery is no longer being charge d and has reached an exces‐
sively low battery charge leve l.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop in a safe location immediately. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop.
003D
12 V Battery See Opera-
tor's Manual *T
he engine is off and the battery charge leve l is too lo w. #
Switch off electrical consumers that are not required. #
Let the engine runfo r a few minutes or drive an extended dis‐
ta nce.
The battery is charge d.
003D
See Operator's Manual *T
he battery is no longer being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. Display messages and
warning and indicator lamps 287
Page 312 of 354

Display messages
Possible causes/consequences and 0050 0050Solutions #
Stop in a safe location immediately and switch off the engine. #
Consult a qualified specialist workshop.
00AC
Coolant Too Hot Stop
Vehicle Turn Engine Off *T
he coolant is too hot. #
Stop in a safe location immediately and switch off the engine. &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during
a fire inthe engine compartment, you could come into con tact
wi th hot gases or other escaping operating fluids. #
Before opening the hood, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the
hood closed and call thefire service. &
WARNING Risk of scalding from hot coolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm. If you open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before opening the cap. #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. #
Wait until the engine has cooled down. #
Ensure that the air supply tothe engine radiator is not obstruc‐
te d.
00AC Check Coolant Level See
Operator's Manual *T
he coolant le vel is too lo w. &
WARNING Risk of scalding from hot coolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm. If you open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before opening the cap. #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. *
NO
TEEngine damage due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Top up coolant (/ page 206).
Regeneration not possi-
ble *N
otall conditions ha vebeen met forre ge neration of the diesel par‐
ticulate filter . #
Continue driving as normal until all conditions ha vebeen met for
re ge neration of the diesel particulate filter. 288
Display messages and warning and indicator lamps