Page 466 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions
00C8 XX,X l Top up AdBlue
Switch on ignition, wait 60
sec. or eng. start not poss. *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page189). #
Switch on the ignition and waitfor appro ximately 60 seconds. #
Start the engine.
0099
AdBlue system fault See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
0099
AdBlue system fault Emer-
gency op. in XXX miles See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. Performance will be reduced once there maining dis tance displ ayed has
been co vered. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 463
Page 467 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions
0099 AdBlue system fault Emer.
op.: max. XXX km/h Start
not poss. in XXX km *
Po we rre striction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. #
Consult a qualified specialist workshop immediatel y.
0099
AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y.464
Display messages and warning/indicator lamps
Page 468 of 525

Engine oil
Display messages
Possible causes/consequences and 0050 0050Solutions
00B3 Add 1 litre engine oil when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine damage causedbydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil (/ page 337).
No tes on engine oil (/ page 399).
00B3
Engine oil level Reduce oil
level *T
he engine oil le vel is too high.
* NO
TEEngine damage causedbydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil le velre duced.
00B3 Engine oil level Stop vehi-
cle Switch engine off *T
he engine oil le vel is too lo w.
* NO
TEEngine damage causedbydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. Display messages and
warning/indicator lamps 465
Page 469 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
Switch off the engine. #
Add 1 l of engine oil (/ page 337). #
Check the engine oil le vel.
No tes on engine oil (/ page 399).
00B3
Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* NO
TEEngine damage causedbydriving with insuf ficient oil pressure #
Avoid driving with insuf ficient oil pressure. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop.
00B3 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop. 466
Display messages and warning/indicator lamps
Page 470 of 525

Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Indicator and
warning lamps:
0075 Re
stra int sy stem (/ page 468)
00E9 Seat belt (/
page 468)
ï Trailer hit ch (/page 469)
Ù Powe rst eering (/ page 469)
ÿ Coolanttemp erature (/ page471)
00B9 Engine diagnostics (/
page471)
0028 Ve
hicles with a diesel engine: pre‐
gl ow
003D Electrical
fault (/ page471)
00B6 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page471)
0024 Electric parking brake (red)
(/
page 474)
0024 Electric parking brake (yell
ow)
( / page 474)
004D Brakes (yell
ow) (/ page 474)
004D Brakes (red) (/
page 474)
L Distance warning (/ page476)
ä AIRMATIC / E- ACTIVE BODY CON‐
TROL (/ page476) 0025
ABS (/
page478)
00E5 ESP®
(/ page 478)
00BB ESP®
OFF (/ page478)
0077 Ty
re pressure monitoring sy stem
(/ page 480)
0060 St
anding lights (/ page133)
0058 Low beam (/
page133)
0057 High beam (/
page135)
003E003D Tu
rn signal light (/ page135)
005E Re
ar fog light (/ page133) Displ
aymessa ges and warning/indicator lamps 467
Page 471 of 525

Occupant saf
ety Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
0075 Re stra int sy stem warning
lamp *T
he redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning (/ page 40). &
WARNING Risk of injury duetomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.
00E9
Seat belt warning lamp
fl ashes *T
he red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened his/her seat belt while theve hicle is in motion. #
Fasten your seat belt (/ page 43).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. 468
Display messages and warning/indicator lamps
Page 472 of 525

Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
00E9 Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once the engine has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page 43).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
Ù Po we rst eering warning
lamp (red) *T
he red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer assi stance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
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. #
Notethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 469
Page 473 of 525
Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
ï Tr ailer tow hit chwarning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. 47 0
Displaymessa ges and warning/indicator lamps