Display messages on vehicles withsteering wheel buttons
Safet ysystems
Display messagesPossible causes/consequences an dMSolutions
ABS
Visit workshop
AB Shas bee ndeactivated due to amalfunction .ES P®,AS Rand BAS,
as well as cruise control, hav ealso bee ndeactivated as aresult .
GWARNING
The brake syste mcontinues to function normally, but without th e
function slisted above. The wheels could therefore loc kif you brake
hard, fo rexample.
Thi scauses steerability and braking to be greatly impaired. The brak-
in gdistanc ecan increase in emergency braking situations. The driven
wheels can spi nwhen accelerating.
If ES P
®is no toperational, ES P®will notstabilize th evehicle.
There is an increase dris kof skidding and accidents .
XDrive on withcare.
XVisit aqualified specialis tworkshop immediately.
ABS
Unavailable
AB Sis temporarily unavailable or is deactivated due to undervoltage.
ES P®,AS Rand BAS, as well as cruise control, are also unavailable as
a result .
The battery may no tbe bein gcharged.
GWARNING
The brake syste mcontinues to function normally, but without th e
function slisted above. The wheels could therefore loc kif you brake
hard, fo rexample.
Thi scauses steerability and braking to be greatly impaired. The brak-
in gdistanc ecan increase in emergency braking situations. The driven
wheels can spi nwhen accelerating.
If ES P
®is no toperational, ES P®will notstabilize th evehicle.
There is an increase dris kof skidding and accidents .
XDrive for ashort distanc eat aspeed of more than 13 mph
(20 km/h).
If th edisplay messag edisappears ,th efunction smentioned abov e
are available again .
If th edisplay messag econtinues to be displayed:
XDrive on wit hcare.
XVisit aqualified specialis tworkshop immediately.
Display messages18 1
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
:
Visit workshop
ASRhas been deactivated due to amalfunction .
The engin epowe routput may be reduced.
GWARNIN G
The driven wheels can spin when accelerating .
There is an increased ris kof skiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
:
Visit workshop
BA Shas been deactivated due to amalfunction .
GWARNING
The brak esystem continues to function normally, but without elec -
tronic support .
The braking distanc ecan increas ein emergenc ybraking situations.
There is aris kof an accident.
XDrive on wit hcare.
XVisit aqualified specialist workshop immediately.
:
Unavailable
AS Rand BA Shav ebeen deactivated due to undervoltage.
The battery may no tbe bein gcharged.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The wheels could therefor eloc kif you brak e
hard, for example.
The braking distanc ecan increas ein emergenc ybraking situations.
The driven wheels can spin when accelerating .
There is an increased ris kof skiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
#
Brake wea rVisitworkshop
The brak epads/linings hav ereached their wear limit.
XHav eth ebrak epads/linings replace das soo nas possibl eat a
qualified specialist workshop .
182Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
b
Brake fluid Visitworkshop
There is insufficientbrak efluid in th efluid reservoir .
GWARNING
Braking performance can be impaired.
There is aris kof an accident.
XStop th evehicl eas soo nas possible, payin gattention to roa dand
traffic conditions.
XChec kth ebrak efluid level in th ebrak efluid reservoir
(Ypage 223).
If th ebrak eflui dis belo wtheMIN mark:
XDo no tcontinu edrivin gunder any circumstances.
XDo no tadd brak efluid .This does no tsolv eth eproblem .
XConsult aqualified specialist workshop .
If th ebrak eflui dis abov eth eMIN mark:
XDrive on wit hcare.
XVisit aqualified specialist workshop immediately.
b
Brake force distri ‐bution
EBDhas been deactivated due to undervoltage.
The battery may no tbe bein gcharged.
GWARNIN G
The rear wheels could loc kwhen you apply th ebrakes. The braking
distanc ecan increas ein emergenc ybraking situations.
There is an increased ris kof skiddin gand accidents .
XStop thevehicl eas soo nas possible, payin gattention to roa dand
traffic conditions.
XDo no tdrive on .
XConsult aqualified specialist workshop .
b
Brake force distri‐bution Visit work‐shop
EBDhas been deactivated due to amalfunction .
GWARNING
The rear wheels could loc kwhen you apply th ebrakes. The braking
distanc ecan increas ein emergenc ybraking situations.
There is an increased ris kof skiddin gand accidents .
XStop thevehicl eas soo nas possible, payin gattention to roa dand
traffic conditions.
XDo no tdrive on .
XConsult aqualified specialist workshop .
Display messages183
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
ESP
Visit workshop
ESP®has been deactivated due to amalfunction .As aresult ,cruise
control has also been deactivated.
Engin epowe routput may be reduced.
GWARNIN G
If ES P
®is no toperational, ES P®will notstabiliz eth evehicle.
There is an increased ris kof skiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
ESP
Unavailable
ES P®has been deactivated due to undervoltage. As aresult ,cruise
control has also been deactivated.
The battery may no tbe bein gcharged.
GWARNIN G
If ES P
®is no toperational, ES P®will notstabiliz eth evehicle.
There is an increased ris kof skiddin gand accidents .
XDrive on withcare.
XConsult aqualified specialized workshop as soo nas possible.
c
Parkin gbrakeReleas ebrake
Additionally, awarning tone sounds.
You are drivin gwit hth eparking brak eapplied.
XReleas eth eparking brak e (Ypage 131).
7
Seatbeltsys.Visitworkshop
The belt system has malfunctioned.
GWARNIN G
In th eevent of an acciden tor arapi ddeceleration ,th eseat belt seither
canno tprotect you as intended.
There is aris kof injury.
XConsult aqualified specialized workshop as soo nas possible.
6
Restraint systemVisit workshop
The restrain tsystem is faulty.
GWARNIN G
If th erestrain tsystem is malfunctioning ,individual systems could be
triggered inadvertentl yor might no tbe triggered at all in th eevent of
an accident.
There is an increased ris kof injury and accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
184Display messages
On-board computer and displays
Lights
Display messagesPossible causes/consequences andMSolutions
b
Low beam left
The left-hand low beam is faulty3.
XHalogen headlamps:replace the bulb as soon as possible
(Ypage 87).
XBi-Xenon headlamps: consult a qualified specialist workshop as
soon as possible.
b
Low beam right
The right-hand low-beam headlamp is faulty3.
XHalogen headlamps: replace the bulb as soon as possible
(Ypage 87).
XBi-Xenon headlamps: consult a qualified specialist workshop as
soon as possible.
b
Cornering lt. left
The left-hand cornering light is faulty3.
XReplace the bulb as soon as possible (Ypage 87).
b
Cornering lt. right
The right-hand cornering light is faulty3.
XReplace the bulb as soon as possible (Ypage 87).
b
Lights on auto‐matic. Remove key
The automatic headlamp feature is active: the light switch is in the
à position and you have forgotten to remove the key.
XRemove the key from the ignition lock.
b
Turn signal left
The left-hand turn signal is faulty.
XChange the bulb as soon as possible in the front (Ypage 88) or rear
(Ypage 89) indicator lamp.
b
Turn signal right
The right-hand turn signal is faulty.
XChange the bulb as soon as possible in the front (Ypage 88) or rear
(Ypage 89) indicator lamp.
b
Brake lamp left
The left brake lamp is faulty3.
XReplace the bulb as soon as possible (Ypage 89).
b
Brake lamp right
The right brake lamp is faulty3.
XReplace the bulb as soon as possible (Ypage 89).
b
Third brake lamp
The high-mounted brake lamp is faulty3. This display message will only
appear if all LEDs have failed.
XConsult a qualified specialized workshop as soon as possible.
b
High beam left
The left high-beam headlamp is faulty3.
XReplace the bulb as soon as possible (Ypage 87).
3Depending on the equipment, the bulb-failure indicator may not befeatured for any lamps other than the turn
signals.
Display messages185
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
b
Highbea mright
The right high beam headlamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 87).
b
Licenseplate lam p
Alicense plat elamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 90).
b
Switch off lights
You haveforgotte nto switch off th elights when leaving th evehicle.
XTurn th eligh tswitch to $.
b
Foglampfront lef t
The left-han dfron tfog lamp is faulty.3
XHav eth ebulb replace das soo nas possibl eat aqualified specialist
workshop .
b
Foglampfront right
The right-hand fron tfog lamp is fault y3.
XHaveth ebulb replace das soo nas possibl eat aqualified specialist
workshop .
b
Rearfoglam p
The rear fog lamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 89).
b
Parkinglam pfrontlef t
The fron tlef tparking lamp/standin glamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 87).
b
Parkinglam pfrontright
The fron tright parking lamp/standin glamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 87).
b
Reverselam p
Abackup lamp is fault y3.
XReplaceth ebulb as soo nas possibl e (Ypage 89).
b
Taillam plef t
The left-han dtai llamp is faulty.3
XReplac eth ebulb as soo nas possibl e (Ypage 89).
b
Taillam pright
The right-hand tai llamp is faulty.3
XReplac eth ebulb as soo nas possibl e (Ypage 89).
b
Marker lam p
Aperimete rlamp is faulty.3
XReplac eth ebulb as soo nas possibl e (Ypage 91).
3Dependin gon th eequipment, th ebulb-failure indicato rmay no tbe featured for any lamp sother than th etur n
signals.
186Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
Highbeam AssistinoperativeHighbeamAssis tis faulty.
XVisit aqualified specialist workshop .
HighbeamAssisttem‐porarily unavaila‐ble
Highbea mAssis tis deactivated and temporarily inoperative.
Possibl ecauses are:
RThe camera' sfunctionalit yis impaire ddue to heav yrain ,snow or
fog .
RThe windshield is dirty in th ecamera' sfield of vision .
XStop thevehicl epayin gattention to roa dand traffic conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 130).
XClean th ewindshield (Ypage 235), particularly in th ecamera' s
field of vision .
If th emalfunction has been rectified, th eHighbeam Assist
available againmessage appears.
Engine
Display messagesPossible causes/consequences and MSolutions
ExhaustFilter :
Drive at hig hengine speed. SeeOper. Manual
The automatic regeneration of th ediesel particl efilter is no tsufficien t
or has malfunctioned.
XDrive at an engin espeed of abov e2000 rpm until th edisplay mes -
sage disappears.
If th edisplay message does no tgo out after approximately
20 minutes, hav eth emalfunction rectifie dimmediately at aquali-
fie dspecialist workshop .
Check DieselExhaustFluid SeeOperator' sManual
The DE Fsupply has dropped belo w1.5US gal (5. 5l).
XAd dDE Fsupply (Ypage 129).
The display message only disappear swhen th evehicl eis stationary,
at th elatest after 20 seconds as soo nas you switch on th eignition
or start th eengin eafter refueling.
å
XX starts remaining
Three short warning tone salso sound.
Afte rth emessage appear sfor th efirst time, th eremaining DE Fsupply
will last for approximately 1200 mile s(1900 km). The engin ecan then
only be started another 16 times .
The number of remaining engin estart sxx
(16to 0)is shown in th e
message every time th eengin eis started.
XAd dat least 1. 5US gal (5.5l)of DEF (Ypage 129).
Display messages187
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
å
IdleMod e
The yello w; CheckEngin eindicator lamp also lights up and three
short warning tone ssound.
You canno tdrive th evehicl eat aspeed exceedin g 5mph (8 km/h).
XAddat least 1. 5US gal (5.5l)of DEF (Ypage 129).
The display message and the yellow ;Check Engine indicator
lamp only disappear when the vehicle is stationary, at the latest
after 20 seconds as soon as you switch on the ignition or start the
engine after refueling.
Check DieselExhaust Fluid SeeOperator's Manual
In addition, the yellow ;DEF indicator lamp lights up and a warning
tone sounds.
The DEF reducing agent is contaminated, diluted or is not compliant
with ISO 22241.
XHave the DEF tank cleaned and refilled at a qualified specialist
workshop as soon as possible.
å
XX starts remaining
The yellow ;Check Engine indicator lamp also lights up and three
short warning tones sound.
After the message appears for the first time, the remaining DEF supply
will last for approximately 1200 miles (1900 km). The engine can then only be started another 16 times.
The number of remaining engine starts xx
(16to 0) is shown in the
message every time the engine is started.
The DEF reducing agent is contaminated, diluted or is not compliant
with ISO 22241.
The exhaust gas aftertreatment is malfunctioning or an emission rel-
evant malfunction has occurred. This malfunction or defect can dam-
age the exhaust gas aftertreatment.
XVisit a qualified specialist workshop immediately.
å
Idle Mode
The yellow ;DEF indicator lamp also lights up and three short
warning tones sound.
The vehicle cannot be driven at a speed exceeding 5 mph (8 km/h).
XVisit a qualified specialist workshop immediately.
?
Coolant Stop, turnengine off
The coolant temperature is too high.
If the vehicle is stopped after being subjected to extreme loads, the
coolant warning lamp may come on when the ignition is switched on
or the engine is restarted. Such loads can be, for example, driving in
mountainous terrain or driving with a trailer.
XRun the engine for approximately 1 minute at idling speed.
XConsult a qualified specialist workshop if the display message con-
tinues to be shown.
188Display messages
On-board computer and displays