brake MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

Displa
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y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
¸
Ã
ç
Ä
temporarily unavailable
Sensors dirty *F
ront and corner radar sensors (hereaTer "sensors") are malfunctioning. Possible causes:
R The senso rsare dirty
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. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean all sensor co vers from outside (/ page 183). #
Restart theve hicle. Displ
aymessages and warning/indicator lamps
407 407

Displa
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es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
á
Ã
Ä
Ø
Ô
temporarily unavailable
Camera view restricted *T
he view of the multifunction camera is restric ted. Possible causes:
R Dirt on the windscreen in the /eld of vision of the multifunction camera
R Heavy rain, snow or fog
R Mist on the inside of the windscreen: in cer tain we ather conditions, mist can form onthe inside of the windscreen
during cold times of year in particular.
% This mist on the windscreen will be remo ved automatically within a short time with the aid of a heater. The restric-
tion is temp orar y.
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean the windscreen, especially in the position of the multifunction camera (/ page 183). #
Restart theve hicle. 408 408
Displ
aymessages and warning/indicator lamps

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Solutions
Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *A
ctive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Once the cause of the problem is no longer present, the system will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message still appears, consult a quali/ed specialist workshop. Dr Dr
iving safe
iving safe ty syst
ty systems
ems Displa
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es Possible causes/conseq
ossible causes/conseq uences and
uences andM
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Solutions
!
÷
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving systems and driving saf ety systems (e.g. BAS) may also be temp orarily una vailable.
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 ABS and ESP ®
are malfunctioning
The wheels may lock during braking and ESP ®
does not per form any vehicle stabilisation.
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.. Display messages and
warning/indicator lamps
411
411

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ossible causes/consequences and uences andM
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Solutions #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a quali/ed specialist workshop immediatel y.Drive care-
full y. !
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are 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 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 ABS and ESP ®
ch ecked immediately at a quali/ed specialist workshop. ÷
currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning.412 412
Display messages and
warning/indicator lamps

Displa
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Solutions &
W
WARNING
ARNING Risk of skidding if ESP is malfunctioning ®
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sys tems are
switched o.. #
Drive careful lyon a suitable st retch of road, making slight steering mo vements at a speed abo ve30 km/h. #
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 sys tems are
switched o.. #
Drive on careful ly. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
413
413

Displa
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Solutions
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 the Dr
he Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist is temp orarily una vailable. #
Drive on
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. 414
414
Displ
aymessages and warning/indicator lamps

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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
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 system
em Displa
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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 speciali stwo rkshop. Displ
aymessages and warning/indicator lamps
415
415

Ins
Ins
tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 431)
ü Seat belt (/ page 431)
ï Trailer hitch (/ page 432)
Ù Powe r steering (/ page 432)
ÿ Coolanttemp erature (/ page 433)
; Engine diagnostics (/ page 433)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow#
Electricalfault (/ page 433)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 433)
! Electric parking brake (red)
(/page 437)
! Electric parking brake (yellow)
(/page 437)
J Brakes (yellow) (/ page 437)
J Brakes (red) (/ page 437)
L Distancewarning (/ page 439)
Ó Active Brake Assist (/ page 439)
ê Active Brake Assist (/ page 439)
ä AIR BODYCONTROL (/ page 439)
ä DYNAMIC BODY CONTROL
(/ page 439)
! ABS (/page 440)
÷ ESP®
(/ page 440)
å ESP®
OFF (/ page 440)
h Tyre pressure monitoring system
(/ page 443) T
Standing lights (/ page 125)
L Low beam (/ page 125)
K High beam (/ page 127)
#! Turn signal lights (/ page 127)
R Rear fog light (/ page 125) 430 430
Display message
s andwarning/indicator lamps

Br
Br
ak
ak es
es W
W
ar
ar ning/indicat
ning/indicat or lamp P
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
Electric parking brake indi-
cator lamp (red)
!
The electric parking brake
(yellow) indicator lamp *T
he red electric parking brake indicator lamp 0ashes or is lit.
The yellow electric parking brake indicator lamp is also lit in theev ent of a malfunction. #
Notethe messages on the instrument displa y.
J
Brake system warning lamp
(yellow) *T
he yellow brake warning lamp is lit while theve hicle is running. &
W WARNI NG
ARNI NGRisk of an accident due toa brake system malfunction
If th e brake system is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. #
Adjust your speed and drive on carefull y,leaving a suitable distance totheve hicle in front. #
Ifth e inst rument display sho wsa displ aymessage, obser veit. Display message
s andwarning/indicator lamps
437
437

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Consult a quali/ed specialist workshop.
J
Brake system warning lamp
(red) *T
he red brake warning lamp is lit while theve hicle is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be a.ected.
R There is insu1cient brake 0uid in the brake 0uid reser voir. #
Notethe messages on the instrument displa y. &
W
WARNI NG
ARNI NGRisk of accident and injury if brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in eme rgency braking situations. #
Stop in a safe location immediatel y.Do not continue driving! #
Consult a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of an accident due tolow brake 0uid le vel
If th e brake 0uid le vel is too lo w,the braking e.ect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and tra1c conditions. Do not continue driving. #
Consult a quali/ed specialist workshop. #
Do not top up the brake 0uid. 438
438
Display messages and
warning/indicator lamps