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Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message does not disappear, consult a quali/ed specialist workshop immediatel y.Drive care-
full y. ÷
inoperative See Owner's
Manual *
ESP ®
is malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning.
The brake system will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot carr y outvehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. 484
484
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T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety systems (e.g. BAS) may also be malfunctioning. &
W WARNING
ARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. Active Brake Assist Func-
tions currently limited See
Owner's Manual *V
Vehicles wit ehicles wit h t
h the Dr
he Dr iving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist with cross-t ra1c function, Evasive Steering Assist or
PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
V
V ehicles wit
ehicles wit hout t
hout t he Dr
he Driving Assist
iving Assist ance P
ance Pack
ack ag
age:
e: Ac tive Brake Assist is temp orarily una vailable. #
Drive on carefull y.
As soon as the ambient conditions are within the system limits, the system will become available again.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle. Displ
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485
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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 t he Dr
he Driving Assist
iving Assist ance P
ance Pack
ack ag
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. Mer
Mer
cedes-Benz emerg
cedes-Benz emerg ency call syst
ency call syst em
em Displa
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es Possible causes/conseq
ossible causes/conseq uences and
uences andM
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G
Inoperative *T
he Mercedes-Benz emer gency call system is malfunctioning. The Mercedes me connect system is also malfunction-
ing. #
Consult a quali/ed specialis two rkshop. 486
486
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Device detected at diagnos-
tics connection See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restric ted.
At least one of the main functions of the Mercedes me connect system is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 37). #
Consult a quali/ed specialist workshop. Batt Batt
ery
ery Displa
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#
12 V battery See Owner's
Manual *T
hevehicle is o. and the state of charge ofthe 12 V battery is too lo w. #
Switch o. elect rical consume rsthat are not requ ired. #
Drive for 30–60 mins.
or #
Char gethe 12 V battery when stationary (/ page 382).
*I fth e message appears while theve hicle is switched on, this indicates an on-board electrical system malfunction. #
Consult a quali/ed specialist workshop.
#
See Owner's Manual *T
he 12 V battery is not being charge d. Display messages and
warning/indicator lamps
487 487
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#
Stop vehicle Leave engine
running *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Û Battery overheated Stop,
everybody out! Outdoors if
possible *T
he 48 V battery is overheating. There is a risk of /re. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
If possible, stop theve hicle in the open air and ensure that all vehicle occupants getout.
% Supporting vehicle functions may activate automaticall y,e.g. the air-recirculation mode as part of climate control. #
Do not continue driving. #
If smoke is present, lea vethe danger zone and call the /re service immediatel y. #
Consult a quali/ed specialist workshop even if there are no extern al signs of a /re.
Û
48 V battery See Owner's
Manual *T
he 48 V on-board elect rical system has function restrictions.
Comfort functions ma y berestric ted. #
Consult a quali/ed specialist workshop immediatel y. Display messages and
warning/indicator lamps
489 489
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Ý
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on theve hicle while the 12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assistance.
The dischar ged 48 V battery is charge d automatically via thevo ltage con verter. ATer a fewminutes, theMotor can be
started again display message will be shown on the inst rument displa y. #
Start theve hicle. #
Drive theve hicle for a while tocharge the 12 V battery and the 48 V battery aTer disconnecting thech arge r from
th eve hicle.
If th eMotor can be started again display message does not appear aTer a fewminutes: #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a quali/ed specialist workshop.
Cannot start engine See
Owner's Manual *T
he state of charge ofthe 48 V battery is too lo w.You can no longer start theve hicle. #
Switch o. elect rical consume rsthat are not requ ired. #
Connect a suitable charge r appr ovedfo r Mercedes-Benz with su1cient charge output tothe jump-start connection
point of the 12 V battery (/ page 382).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *The 48 V battery has been charge d automatically via thevo ltage con verter. #
Start theve hicle and drive for a while tocharge the 12 V battery and the 48 V batter y. 490 490
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s andwarning/indicator lamps
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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. &
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 394) 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 397).492
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h
Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenl y.The wheel position will be 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 in theev ent of a 0at tyre (/ page 373). #
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. Display messages and
warning/indicator lamps
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493