Page 489 of 541

T
T
yr
yr e pr
e pr essur
essur e monit
e monit or
or Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitoring system is temp orarily una vailable.
The tyre pressure monitoring system will restart au tomatically as soon as the cause has been recti/ed. #
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.
é
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor in at least one wheel. No pressure value is displa yedfo rth e a.ected
tyre. #
Have thefa ulty tyre pressure sensor replaced at a quali/ed specialist workshop. 486 486
Displ
aymessages and warning/indicator lamps
Page 490 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
é
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. &
W
WARNI NG
ARNI NGRisk 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 397) andthe tyres.
é 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 monitor (/ page 400). Display messages and
warning/indicator lamps
487
487
Page 491 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
é
Warning tyre defect *T
he pressure in one or more tyres has dropped suddenl y.The wheel position is displa yed. &
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 on 0at tyres (/ page 380). #
Stop theve hicle in accordance with the tra1c conditions. #
Check the tyres.
é Tyre(s) overheated *A
t 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. 488
488
Display messages and
warning/indicator lamps
Page 492 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Reduce speed so that the tyres cool down. é
Reduce speed *A
t 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. W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y. Dr
Dr iv
iver's display
er's display Dr
Dr
iv
iver's displa
er's displa y wit
y with dr
h driv
iver camera
er camera Display messages and
warning/indicator lamps
489
489
Page 493 of 541

Indicat
Indicat
or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 491)
ü Seat belt (/ page 491)
_ Reduced po wer (/ page 492)
Ú System error (/ page 492)
# Electricalfault (/ page 492)
ï Trailer hitch (/ page 493)
Ù Powe r steering (yellow) (/ page 493)
Ù Power steering (red) (/ page 493)
Ù Rear axle steering (yellow)
(/ page 493)
Ù Rear axle steering (red)
(/ page 493)
! Electric parking brake (yellow)
(/ page 496)
! Electric parking brake (red)
(/page 496)
J Brakes (yellow) (/ page 496)
J Brakes (red) (/ page 496)
L Distance warning (/ page 498) Ó
Active Brake Assist (/ page 498)
ê Active Brake Assist (/ page 498)
Æ Active Brake Assist (/ page 498)
ä AIRMATIC (/ page 498)
! ABS (/page 500)
÷ ESP®
(/ page 500)
å ESP®
OFF (/ page 500)
H Mercedes-Benz emer gency call sys-
te m (/ page 502)
h Tyre pressure monitoring system
(/ page 503)
T Standing lights (/ page 141)
L Low beam (/ page 141)
K High beam (/ page 143)
#! Turn signal light (/ page 143)
R Rear fog lamp (/ page 141)
Symbols on t
Symbols on t he centr
he centr al display:
al displ ay:
É DriveAway Assist (/ page 284)
L Rear cross tra1c warning (/ page 285) º
Manoeuvring brake function (/ page 286)490 490
Display message
s andwarning/indicator lamps
Page 494 of 541

Occupant safe
Occupant safe
ty
ty W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
6
Re straint system warning
lamp *T
he restraint system redwa rning lamp is lit while theve hicle is on.
The restraint system is malfunctioning (/ page 44). &
D
DAN
AN GER
GER Risk of fatal injuries due torestraint system malfunctions
Co mp onents in there straint system ma y be activated unintentionally or not deploy as planned in an accident. In the
ev ent of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
Yo u may su.er an electric shock if youto uch the damaged components of the high-voltage on-board electrical sys-
te m. #
Have there straint system checked and repaired immediately at a quali/ed specialist workshop. #
ATer an accident, switch o. theve hicle immediatel y. #
Drive on carefull y. #
Notethe messages on the driver's displa y. #
Consult a quali/ed specialist workshop immediatel y.
ü
Seat belt warning lamp
0ashes *T
he red seat belt warning lamp 0ashes and an intermittent warning 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 47).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Display messages and
warning/indicator lamps
491
491
Page 495 of 541

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ü
Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once theve hicle has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofasten their seat belts. #
Fasten your seat belt (/ page 47).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Dr
Dr
iv
ive syst
e syst em
em W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
_
Re duced-po werwa rning
lamp *T
heyellow reduced-po werwa rning lamp is on.
Drive system po wer output is reduced. #
Notethe messages on the driver's displa y.
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 driver's displa y.492
492
Display message
s andwarning/indicator lamps
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W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault with the electrics. #
Notethe messages on the driver's 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
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational. &
W
WARNING
ARNING 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 tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedu reand do not re-couple the trailer until the display message disappears. #
Notethe messages on the driver's displa y. Display messages and
warning/indicator lamps
493
493