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Active Brake Assist Func-
tions limited See Owner's
Manual *F
orvehicles with the Driving Assistance Package, thefo llowing functions may be temp orarily una vailable or only parti-
ally available:
R Active Brake Assist with cross-t ra1c function
R Evasive Steering Assist
R PRE‑SAFE ®
PLUS
V
V ehicles wit ehicles wit hout t
hout the Dr
he Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist is temp orarily una vailable or only partially availa-
ble. #
Drive on carefull y.
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Radar sensors dirty See
Owner's Manual *T
heradar sensor system is malfunctioning. Possible causes:
R Dirt on the sensors
R Heavy rain or snow
R Extended country driving without other tra1c, e.g. in the desert
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, the driving systems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: Display messages and
warning/indicator lamps
455 455
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Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure moni toring system is malfunctioning. &
W WARNI NG
ARNI NGThere is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. Tyre press. monitor inoper-
ative No wheel sensors
*T
he wheels /tted do not ha vesuitable tyre pressure senso rs. The tyre pressure monitoring system is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. No pressure value is displa yedfo rth e a.ected
tyre. #
Have thefa ulty tyre pressure sensor replaced at a quali/ed specialist workshop.
h
Check tyre(s) *T
he tyre pressure in one or more tyres has dropped signi/cantl y.
The wheel position is displa yed. A warning tone also sounds. Display messa
ges and warning/indicator lamps
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W
WARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the tyre pressure (/ page 365) andthe tyres.
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the di.erence in tyre pressure between the individual
wheels is toogr eat. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring system (/ page 368).
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenl y.The wheel position will be displa yed. 462
462
Display messages and
warning/indicator lamps
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W
WARNING
ARNING Risk of an accident from driving with a 0at tyre
R The tyres can overheat and be damaged.
R The driving characteristics as well as the steering and braking characteristics may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a 0at tyre. #
Do not exceed the maximum permissible driving distance in emer gency mode and the maximum permissible
speed with a 0at MOExtended tyre. #
Obser vethe no tes on 0at tyres. No
tes in theev ent of a 0at tyre (/ page 344). #
Stop theve hicle in accordance with the tra1c conditions. #
Check the tyres.
Tyre(s) overheated *At least one tyre is overheating. The a.ected tyres are displa yed in red. At temp eratures close tothe limit value, the
tyres are displa yed in yello w. &
W
WARNI NG
ARNI NGRisk of an accident from driving with overheated tyres
Overheated tyres can burst. #
Reduce speed so that the tyres cool down. Display messages and
warning/indicator lamps
463
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Reduce speed *At least one tyre is overheating. The a.ected tyres are displa yed in red. At temp eratures close tothe limit value, the
tyres are displa yed in yello w. &
W
WARNI NG
ARNI NGRisk of an accident from driving with overheated tyres
Overheated tyres can burst. #
Reduce speed so that the tyres cool down. T
T
yr
yr e pr
e pr essur
essur e loss w
e loss w ar
arning syst
ning syst em
em Displa
Displa
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y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Tyre pressure Check tyres *The tyre pressure loss warning system has de tected a signi/cant loss of pressure. &
W
WARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y.464
464
Display message
s andwarning/indicator lamps
Page 475 of 525

Indicat
Indicat
or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 473)
ü Seat belt (/ page 473)
_ Reduced po wer (/ page 474)
Ú System error (/ page 474)
# Electricalfault (/ page 474)
ï Trailer hitch (/ page 475)
Ù Powe r steering (/ page 475)
ÿ Coolanttemp erature (/ page 477)
; Engine diagnostics (/ page 477)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 477)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 477)
! Electric parking brake (yellow)
(/page 480)
! Electric parking brake (red)
(/ page 480)
J Brakes (yellow) (/ page 480)
J Brakes (red) (/ page 480) L
Distancewarning (/ page 482)
Ó Active Brake Assist (/ page 482)
ê Active Brake Assist (/ page 482)
! ABS (/page 482)
÷ ESP®
(/ page 482)
å ESP®
OFF (/ page 482)
h Tyre pressure monitoring system
(/ page 485)
T Standing lights (/ page 134)
L Low beam (/ page 134)
K High beam (/ page 136)
#! Turn signal lights (/ page 136)
R Rear fog light (/ page 134)
Symbols on t
Symbols on t he centr he central display:
al displ ay:
É DriveAway Assist (/ page 263)
L CrossTra1c Ale rt (/ page 264) 472
472
Display messages and
warning/indicator lamps
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W
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ar
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Solutions
Ú
System er rorwa rning lamp *T
he red system er rorwa rning lamp is lit while theve hicle is in a state of operational readiness õ.
There is a malfunction in the drive system. #
Notethe messages on the instrument displa y.
#
Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault with the electrics. #
Notethe messages on the instrument displa y.V
V
ehicle
ehicle W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Po we r steering warning
lamp (red) *T
he red po wer steering warning lamp is lit while theve hicle is running.
The po wer assistance or the steering itself is malfunctioning. &
W
WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering 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 tra1c conditions. Do not
continue driving under any circums tances. Display messa
ges and warning/indicator lamps
475
475
Page 488 of 525

T
T
yr
yr e pr
e pr essur
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or W
W
ar
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or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp 0ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) 0ashes for appr oximately one minute and
th en remains lit.
The tyre pressure monitor is malfunctioning. &
W
WARNING
ARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. h
Ty re pressure monitoring
system warning lamp lights
up *T
he yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has de tected tyre pressure loss in at least one of the tyres. &
W
W ARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. Display messages and
warning/indicator lamps
485
485