Page 445 of 541
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Û
Malfunction *T
he drive system is malfunctioning. A warning tone will also sound. #
Consult a quali/ed speciali stwo rkshop.
Û
Malfunction Visit workshop *T
he drive system is malfunctioning. #
Consult a quali/ed specialist workshop.
Û
Have high-voltage system
checked See Owner's Man-
ual *A
function restriction has occu rred in the drive system. #
Consult a quali/ed specialist workshop.
Preparing drive system… *The insulation of the drive system is being tested. This process can last for up to te n seconds.
Consult workshop without
starting the vehicle again *I
t is not possible torestart the drive system due toa malfunction. #
Do not switch o. the drive system; drive on tothe nearest quali/ed specialist workshop. 442 442
Displ
aymessages and warning/indicator lamps
Page 452 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer steering assistance is malfunctioning. &
W WARNING
ARNING Risk of an accident due toaltered steering characteristics
If th e po wer assistance of the steering fails partially or comple tely,yo u will need touse more forc eto stee r. #
If safe steering is possible, drive on carefull y. #
Visit or consult a quali/ed specialist workshop immediatel y. Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
he steering is malfunctioning. Steering capability is signi/cantly impaired. &
W WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do
not continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. Ù
Rear axle steering cur-
rently malfunctioning *T
herear axle steering is temp orarily una vailable. The turning circle may become wider. #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle.
If th e display message does not disappear: #
Drive on carefull y. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
449 449
Page 457 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Start theve hicle. #
Change the transmission position.
Apply brake to engage D or
R *Y
ou ha veattem pted toselect transmission position hork. #
Depress the brake pedal. #
Select transmission position hork.
Apply parking brake to
park Visit workshop *A
malfunction has occur red in the emer gency po wer supply topark position j. #
Consult a quali/ed specialist workshop. #
Until then, alw ays select park position jmanually before you switch o. theve hicle. #
Before leaving theve hicle, apply the electric parking brake.
Risk of vehicle rolling away
Driver's door open Trans-
mission not in P *T
he driver's door is not fully closed and transmission position h,kor neutral iis selected.
The vehicle may rollawa y. #
Select pa rkposition jwhen switching o. theve hicle.
Risk of vehicle rolling away
Apply parking brake to park *T
he transmission is malfunctioning. Park position jcannot be selected. #
Park theve hicle safel y. #
Use the electric parking brake tosecure theve hicle against rollingaway. #
Ongradients, turn the front wheels so that theve hicle will rollto wa rdsth eke rb if it starts moving. 454 454
Display messages and
warning/indicator lamps
Page 463 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Release the electric parking brake manuall y.
!
Parking brake Switch on
vehicle to release *T
hered! indicator lamp is lit.
Yo u ha veattem pted torelease the electric parking brake with theve hicle switched o.. #
Switch on theve hicle.
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 theve hicle system. #
Immediately depress the brake pedal /rmly until the display message disappears.
Yo u cannot start theve hicle system again.
J Malfunction See Owner's
Manual *T
he brake forc e boosting function is impaired.
The hill start assist may be impaired. &
W WARNING
ARNING Risk 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. 460
460
Displ
aymessages and warning/indicator lamps
Page 464 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
J
Malfunction Stop vehicle *T
he brake forc e boosting function is impaired and the braking characteristics may be a.ected. &
W
WARNING
ARNING Risk 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. J
Check brake fluid level *T
here is insu1cient brake 0uid in the brake 0uid reser voir. &
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. Check brake pads See
Owner's Manual
*T
he brakepads ha vereached thewe ar limit. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
461 461
Page 466 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
P
ATTENTION ASSIST Micro-
sleep Take a break! *A
TTENTION ASSIST has de tected indicators of microsleep (/ page 225).
A wa rning tone will also sound. #
It is recommended that youta ke a break immediatel y. #
Press the leT-hand Touch Control and ackno wledge the display message.
h - - - km/h *C
ruise control cannot be activated as not all activation conditions are ful/lled. #
Obser vethe activation conditions for cruise control (/ page 228).
Cruise control inoperative *Cruise control is malfunctioning. #
Consult a quali/ed specialist workshop.
Cruise control and Limiter
inoperative *C
ruise control and the limiter are malfunctioning. #
Consult a quali/ed specialist workshop.
Cruise control off *Cruise control has been deactivated.
If th ere is an additional warning tone, cruise cont rol has been deactivated automatically (/ page 227). Display message
s andwarning/indicator lamps
463
463
Page 467 of 541
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
È
- - - km/h *T
he limi ter can temp orarily not be engaged. Once the cause of the problem is no longer present, the system will be
av ailable again.
È
passive *I
fyo u depress the accelerator pedal be yond the point of resis tance (kickdown), the limiter will be switched topassive
mode (/ page 228).
Limiter inoperative *The limi ter is malfunctioning. #
Consult a quali/ed specialist workshop.
ç
- - - km/h *A
ctive Dis tance Assist DISTRONIC cannot be activated as not all activation conditions are ful/lled. #
Comply with the activation conditions of Active Distance Assist DISTRONIC (/ page 233).
ç suspended *I
fyo u depress the accelerator pedal be yond the setting of Active Distance Assist DISTRONIC, the system will switch to
passive mode (/ page 230).464
464
Display messages and
warning/indicator lamps
Page 471 of 541

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ø
Beginning emergency stop *Y
our hands are not on the steering wheel. The Active Steering Assist will initiate an emer gency stop (/ page 238). #
Put your hands on the steering wheel.
Information on cancelling an emer gency stop (/ page 241).
Active Emergency Stop
Assist currently unavailable
See Owner's Manual *A
ctive Emer gency Stop Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 241).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
*V Vehicles wit ehicles wit hout t
hout the Dr
he Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Emer gency Stop Assist is temp orarily una vailable due tomulti-
ple emer gency stops. #
Take ove rth e steering and stop in accordance with the tra1c conditions. #
Switch theve hicle o. and switch it back on
Ac tive Emer gency Stop Assist is available once more.
Active Emergency Stop
Assist inoperative *A
ctive Emer gency Stop Assist is malfunctioning. #
Drive on
or 468 468
Display messages and
warning/indicator lamps