Page 434 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions
* The yellow 0024 indicator lamp is lit and there d0024 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 (/ page196).
To release: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d0024 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 0024 indicator lamp is lit and there d0024 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 est ate of charge istoo lo w: #
Char gethe12 V batter y.
To appl y: Displ
aymessa ges and warning/indicator lamps 431
Page 435 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions #
Switch the ignition off.
The electric parking brake will be applied automaticall y.
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is
being towe d, lea vethe ignition switched on. This does not include having theve hicle towe d with there ar axle
ra ised.
If th e electric parking brake is not applied automatically: #
Switch the ignition off and switch it back on. #
Release and then apply the electric parking brake manually (/ page196).
If it is still 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 (/ page196).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop. 432
Display messages and warning/indicator lamps
Page 436 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions
0024 Release parking brake *
The red0024 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 (/ page196).
R You are per form ing emer gency braking using the electric parking brake (/ page196). #
Che ckthe conditions for auto matic release of the electric parking brake. #
Release the electric parking brake manually.
0024
Turn on the ignition to
release the parking brake *
The red0024 indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch on the ignition.
004D 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. Display messages and
warning/indicator lamps 433
Page 443 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Drive on
or #
Stop theve hicle in accordance with the tra ffic conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a qualified specialist workshop.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emergency stops. #
Take ove rth esteering and stop in accordance with the tra ffic conditions. #
Swit chthe ignition off and switch it back on.
Ac tive Steering Assist is available once more.
Beginning emergency stop *Y
our hands are not on thesteering wheel. An emer gency stop is being 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 Deactivating Active Dis tance Assi stDISTRONIC
Ø *A
ctive Steering Assist has reached the sy stem limits (/ page 220).
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. 440
Displaymessa ges and warning/indicator lamps
Page 450 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions
ä Fault Drive at max. 80
km/h *A
t least one main function of the E- ACTIVE BODY CONTROL sy stem is malfunctioning.
The sy stem is deactivated.
* NO
TEThe vehicle's suspension and damping behaviour has changed significantl y,theve hicle body may tilt
heavily tothe side during cornering. #
Reduce vehicle speed. Drive on carefull y. #
Reduce theve hicle speed considerably before taking a cur ve. #
Avoid sudden steering mo vements. #
Continue driving careful lyand do not exceed 80 km/h. #
If possible, stop theve hicle in accordance with the traf fic conditions and switch the ignition off and on again. #
Ifth e display message still appears, consult a qualified specialist workshop.
ä
Fault Stop *T
here is a serious malfunction af fecting thehy draulics of the E- ACTIVE BODY CONT ROL sy stem.
The sy stem is deactivated.
* NO
TEThe vehicle's driving characteristics ha vechanged significantl y. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 447
Page 460 of 525

Display messages
Possible causes/consequences and 0050 0050Solutions
00D7 48 V battery See Owner's
Manual *T
he 48 V on-board electrical sy stem has function restrictions. Comfort functions may be restricted. #
Consult a qualified specialist workshop immediatel y.
00D9
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. #
Start theve hicle. #
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hestate of charge ofthe 48 V battery is too lo w.You can no lon gerst art theve hicle. #
Switch off electrical consumers that are not required. Display messages and
warning/indicator lamps 457
Page 466 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions
00C8 XX,X l Top up AdBlue
Switch on ignition, wait 60
sec. or eng. start not poss. *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page189). #
Switch on the ignition and waitfor appro ximately 60 seconds. #
Start the engine.
0099
AdBlue system fault See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
0099
AdBlue system fault Emer-
gency op. in XXX miles See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. Performance will be reduced once there maining dis tance displ ayed has
been co vered. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 463
Page 470 of 525

Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Indicator and
warning lamps:
0075 Re
stra int sy stem (/ page 468)
00E9 Seat belt (/
page 468)
ï Trailer hit ch (/page 469)
Ù Powe rst eering (/ page 469)
ÿ Coolanttemp erature (/ page471)
00B9 Engine diagnostics (/
page471)
0028 Ve
hicles with a diesel engine: pre‐
gl ow
003D Electrical
fault (/ page471)
00B6 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page471)
0024 Electric parking brake (red)
(/
page 474)
0024 Electric parking brake (yell
ow)
( / page 474)
004D Brakes (yell
ow) (/ page 474)
004D Brakes (red) (/
page 474)
L Distance warning (/ page476)
ä AIRMATIC / E- ACTIVE BODY CON‐
TROL (/ page476) 0025
ABS (/
page478)
00E5 ESP®
(/ page 478)
00BB ESP®
OFF (/ page478)
0077 Ty
re pressure monitoring sy stem
(/ page 480)
0060 St
anding lights (/ page133)
0058 Low beam (/
page133)
0057 High beam (/
page135)
003E003D Tu
rn signal light (/ page135)
005E Re
ar fog light (/ page133) Displ
aymessa ges and warning/indicator lamps 467