Page 521 of 609

Display messages
Possible causes/consequences and M
MSolutions
* The yellow ! indicator lamp is lit and there d! indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. #
Swit chthe ignition off and switch it back on.
To appl y: #
Release and then apply the electric parking brake manually (/ page217).
To release: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d! indicator lamp continues toflash: #
Do not continue driving. Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp is lit and there d! indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th ech arge leve l is too lo w: #
Char gethe12 V batter y.
To appl y: 518
Displaymessa ges and warning/indicator lamps
Page 522 of 609

Display messages
Possible causes/consequences and M
MSolutions #
Apply the electric parking brake manually.
If it is not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page217).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop.
! Release parking brake *
The red! indicator lamp is flashing.
The electric parking brake is applied while you are driving:
R A condition for auto matic release of the electric parking brake has not been fulfilled (/ page216).
R You are per form ing emer gency braking using the electric parking brake (/ page217). #
Che ckthe conditions for auto matic release of the electric parking brake. #
Release the electric parking brake manually. Display messages and
warning/indicator lamps 519
Page 523 of 609

Display messages
Possible causes/consequences and M
MSolutions
! Turn on the ignition to
release the parking brake *
The red! indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch on the ignition.
J Brake immediately *A
malfunction has occur red while the HOLD function was activated.
A horn may also sound at regular inter vals.
Yo u cannot start the engine. #
Immediately depress the brake pedal firm lyuntil the display message disappears.
Yo u can restart the engine.
J
Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. 520
Display messages and warning/indicator lamps
Page 524 of 609
Display messages
Possible causes/consequences and M
MSolutions
# Check brake pads See
Owner's Manual *T
he brakepads ha vereached thewe ar limit. #
Consult a qualified specialist workshop. Driving sy
stems Display messages
Possible causes/consequences and M
MSolutions
ë Off *T
he HOLD function is deactivated because theve hicle is slipping or a condition for activation is not fulfilled. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function (/ page 224).
é ATTENTION ASSIST inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 521
Page 531 of 609

Display messages
Possible causes/consequences and M
MSolutions
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Drive on.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
¸
ð
ç
Ä Currently unavailable
Radar dirty *F
ront and corner radar sensors and/or lidar (hereaf ter "senso rs") are malfunctioning. Possible causes:
R The sensors are dirty
R Heavy rain or snow
R Extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normal ly. #
Drive on.
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean all sensor co vers from outside (/ page 220). #
Restart the engine. 528
Display messages and warning/indicator lamps
Page 532 of 609

Display messages
Possible causes/consequences and M
MSolutions
á
ð
Ä
¬
Ô currently unavailable Cam-
era dirty *T
he view of the multifunction camera is restricted. Possible causes:
R Dirt on the windscreen in thefield 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 wind‐
screen during cold times of year in particular.
% This mist on the windscreen is remo ved automatically within a short time with the aid of a heater. The restric‐
tion is temp orar y.
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normal ly. #
Drive on.
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean the windscreen, especially in the position of the multifunction camera (/ page 220). #
Restart the engine.
Driver camera view cur-
rently restricted See Own-
er's Manual *T
he visibility of the driver camera is reduced. Possible causes:
R Objects or sticke rs are projecting into the driver camer a’sfield of vision. Display messages and
warning/indicator lamps 529
Page 536 of 609

Display messages
Possible causes/consequences and M
MSolutions
Active 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 sy stem will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra ffic conditions and restart the engine. #
Ifth e display message still appears, consult a qualified specialist workshop. Driving saf
ety sy stems Display messages
Possible causes/consequences and M MSolutions
!
÷ currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be temp orarily una vailable.
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
The wheels may lock du ring braking and ESP ®
does not pe rform any vehicle stabilisation.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. Display messages and
warning/indicator lamps 533
Page 537 of 609

Display messages
Possible causes/consequences and M
MSolutions #
Drive carefully on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive care‐
full y. !
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) 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
The wheels may block du ring braking and ESP ®
does not pe rform any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, 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. 534
Display messages and warning/indicator lamps