Page 525 of 629

Display messages
Possible causes/consequences and M
MSolutions
!
÷ inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning.
The brake sy stem will continue tooperate normally. Braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
÷
currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 522
Display messages and warning/indicator lamps
Page 527 of 629
Display messages
Possible causes/consequences and M
MSolutions #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.524
Display messages and warning/indicator lamps
Page 539 of 629

Display messages
Possible causes/consequences and M
MSolutions
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page219). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision. #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop.
Ø *A
ctive Steering Assist has reached the sy stem limits(/ page219).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth esteering and drive on in accordance with the traf fic conditions.
Beginning emergency stop *Y
our hands are not on thesteering wheel. Emer gency stop is initiated (/ page 222). #
Put your hands back on thesteering wheel.
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R steering
R braking or accelerating
R pressing a steering wheel button
R operating Touch Control 536
Display messages and warning/indicator lamps
Page 548 of 629

Ty
res Display messages
Possible causes/consequences and M
MSolutions
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 recei ved. The tyre pressure monitor is temp orarily una vailable. #
Drive on.
The tyre pressure monitor restarts automatically as soon as the cause has been rectified.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitor is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitor is deactivated. #
Fit wheels with suitable tyre pressure sensors. Display messages and
warning/indicator lamps 545
Page 549 of 629

Display messages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, 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 tra ffic conditions. #
Check the tyre pressure (/ page 491) andthe tyres. 546
Displaymessa ges and warning/indicator lamps
Page 550 of 629

Display messages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fere nce in tyre pressure between the individual
wheels is too great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitor (/ page 494).
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (/ page475). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyres.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. Displ
aymessa ges and warning/indicator lamps 547
Page 571 of 629
Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp The
yellow ABS warning lamp is lit while the drive sy stem is running.
*ABS is malfunctioning. If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels may lock when braking.
The steering capability and braking characteristics are thus se verely impaired. Br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. 568
Display messages and warning/indicator lamps
Page 594 of 629

6
Left windowbag malfunction
Consult workshop (Example) ............... 531
b Malfunction See Owner's Man‐
ual .......................................................5 64
d Malfunction Visit workshop ........ 563
Û Malfunction Visit workshop ........ 561
d Malfunction ................................ 563
Û Malfunction ................................ 560
ð Maximum speed exceeded ......... 542
ç Off..............................................5 40
ë Off.............................................. 540
ï Operation only possible in
transmission position P ....................... 553
! Parking brake See Owner's
Manual ................................................ 525
& Pre-entry climate control (via
ke y) available again af ter engine
st art .................................................... 556
& Pre-ent ryclimate control (via
ke y) inoperati veHV-battery low ........... 557 _
Rear left seat backrest not
loc ked (Example) .................................5 55
h Rectify tyre pressure ..................547
d Reduced output See Owner's
Manual ................................................ 560
! Release parking brake ................ 525
À Replace key See Owner's Man‐
ual ...................................................... .548
Á Replace key ................................ 549
Ý Reser veleve l Char gehigh-volt‐
age battery .......................................... 562
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 529
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 553
Ù Steering malfunction Stop
immediately See Owner's Manual .......554
Û Stop immediately Drive will be
deactivated Char gehigh-volt. battery
.............................................................5 62d
Stop Switch engine off ............... 563
ç suspended ................................. 540
b Switch off lights ......................... 565
b Switch on headlamps ................. 565
+ Top up coolant See Owner ’s
Manual ................................................ 557
¥ Top up washer fluid .................... 555
á Towing not permit ted See Own‐
er's Manual .........................................5 59
ï Trailer coupling extending… ........ 551
! Turn on the ignition torelease
th e parking brake ................................ 525
d Vehicle is operational Switch
off ignition before exiting .................... .551
h Warning tyre defect ....................547
h Wheel sensor(s) missing ............546
Û Without starting engine again,
consult workshop ................................ 561
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........538 Index
591