display MERCEDES-BENZ V-CLASS 2021 Manual Online

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Solutions passenger airbag actuation has disabled
the front passenger
airbag.
R The display must not show the messages Front-passenger air-
bag enabled See Owner's Manual orFront-passenger airbag
disabled See Owner's Manual . #
Waitfor at least one minute until the necessary system checks
ha ve been comple ted. #
Ensure that the display does not show either of the two display
messages about the front passenger airbag.
If th ese conditions are met, the front passenger seat can be occupied
again. Obser vethe no tes on seat occupancy recognition and the
re sult of the classi/cation of the automatic front passenger airbag
actuation (/ page 35).
If th ese conditions are not met, the automatic front passenger airbag
actuation is malfunctioning. #
Fitth ech ild restraint system toa suitable rear seat.
or #
Seat a person of small stature on a suitable rear seat. #
Consult a quali/ed specialist workshop immediatel y.
Fu rther information on airbag shuto. can be found under "Automatic
front passenger airbag actuation" (/ page 35).
Check brake pad wear *The brakepads ha vereached their wear limit. #
Consult a quali/ed specialist workshop.
Ve hicles with all-wheel
drive:
J
Caution Brakes overhea-
ted Drive carefully *T
he brake system is overheating in vehicles with all-wheel drive.
Tr action cont rol and braking po wer will be impaired. &
W WARNING ARNING Risk of accident due toove rheated brake system
If yo ure st your foot on the brake pedal during while driving, the
brake system may overheat.
This increases the braking distance and the brake system may
ev en fail. #
Never use the brake pedal as a foot re st. #
Do not press the brake pedal and accelerator pedal simulta-
neously while driving. #
Drive on carefull y.
When the brake system has cooled down, the display message will
disappear. Traction cont rol will then be fully operational again.
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 brak-
ing characteristics may be impaired. Display messages and
warning and indicator lamps
285
285

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Stop theve hicle as soon as possible, paying attention to
ro ad and tra1c conditions. Do not continue driving. #
Consult a quali/ed specialist workshop. #
Do not top up the brake 0uid. T
!
÷
inoperative See Owner's
Manual *E
BD is una vailable due toa malfunction. This means that ABS, BAS,
Hi llSt art Assist and ESP ®
as well as its driving saf ety systems, for
ex ample, are also una vailable.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normally, but wi thout the
functions listed ab ove. &
W WARNI NG
ARNI NGRisk of skidding if EBD, ABS and ESP ®
are mal-
functioning
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 addition, other driving
saf ety systems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed
specialist workshop. ÷
inoperative See Owner's
Manual *
ESP ®
,BAS and Hill Start Assist are una vailable due toa malfunction.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normall y,but without the
functions listed ab ove. The wheels could therefore lock up at an ear ly
stage in theev ent of maximum full-s top braking, forex ample.
This will se verely impair steerability and braking. Braking distance may
increase in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisa-
tion. In addition, other driving saf ety systems are swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. ÷
currently unavailable
See Owner's Manual *
ESP ®
,BAS and Hill Start Assist are una vailable due toa malfunction.
Self-diagnosis is not yet comple te,fo rex ample.
AT TENTION ASSIST is deactivated and other driving systems could be
automatically deacti vated.
The brake system continues tofunction normall y,but without the
functions listed ab ove. The wheels could therefore lock up at an ear ly
stage in theev ent of maximum full-s top braking, forex ample. 286 286
Display messages and
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This will se verely impair steerability and braking. Braking distance may
increase in an emer gency braking situation. &
W
WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisa-
tion. In addition, other driving saf ety systems are swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. #
Drive carefully on a suitable st retch of road, making slight steering
mo vements at a speed abo ve20 km/h.
The functions mentioned abo vewill be available again when the
display message goes out.
If th e display message continues tobe shown: #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
! Release parking brake *T
hered! indicator lamp on the inst rument cluster lights up.
A wa rning tone also sounds.
Yo u are driving with the parking brake applied or per form ing emer-
ge ncy braking using the parking brake. #
Release the parking brake (/ page 151).
! Parking brake See Own-
er's Manual *T
heyellow ! warning lamp lights up and there d! indicator
lamp is o..
The parking brake is malfunctioning, e.g. aTer the star ter battery has
been disconnected.
R R eleasing t
eleasing t he par
he parking br
king br ak
ake:
e: #
Switch theve hicle o. and on again. #
Depress the brake pedal and brie0y pull the handle of the parking
brake (/ page 151). #
ATer around ten seconds, push down the handle of the parking
brake.
If th eye llow ! warning lamp is o.: #
Release the parking brake.
If th eye llow ! warning lamp remains lit: #
Do not drive on. #
Secure theve hicle against rolling away. #
V
Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: engage /rstgear. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe transmission to
j . #
Turn the front wheels towa rdsth eke rb. #
Consult a quali/ed specialist workshop.
*T heyellow ! warning lamp and there d! indicator lamp light
up. Display messages and
warning and indicator lamps
287
287

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The parking brake is malfunctioning.
R R eleasing t
eleasing t he par
he parking br
king br ak
ake:
e: #
Switch theve hicle o. and on again. #
Release the parking brake.
If th e parking brake still cannot be released: #
Do not drive on. #
Consult a quali/ed specialist workshop.
*T hered! indicator lamp 0ashes and theye llow ! warning
lamp lights up.
The parking brake is malfunctioning. #
Switch theve hicle o. and on again. #
Release or apply the parking brake.
If th ere d! indicator lamp continues 0ashing: #
Do not drive on. #
Secure theve hicle against rolling away. #
V Vehicles wit
ehicles wit h manual tr
h manual tr ansmission:
ansmission: engage /rstgear. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe transmission to
j . #
Turn the front wheels towa rdsth eke rb. #
Consult a quali/ed specialist workshop.
! Depress brake pedal to
release *T
hered! indicator lamp lights up.
Yo u ha vetried torelease the parking brake without depressing the
brake pedal. #
Depress the brake pedal. #
Torelease, pull the handle on the parking brake.
PRE-SAFE inoperative
See Owner's Manual *
Impor tant functions of PRE-SAFE ®
ha ve failed. All other occupant
saf ety systems, e.g. airbags, remain available. #
Consult a quali/ed specialist workshop immediatel y.
Information on these functions can be found under "PRE‑SAFE ®
(anticipatory occupant pr otection)" (/ page 38).
6 Restraint sys. malfunc-
tion Consult workshop *T
herestraint system is malfunctioning. In addition, the6 warning
lamp on the inst rument cluster lights up. &
W WARNING
ARNING Risk of injury due tomalfunctions in there straint
system
Co mp onents in there straint system may be activated unintention-
al ly or not deploy as intended in an accident. #
Have there straint system checked and repaired immediately
at a quali/ed specialist workshop. Fu
rther information on there straint system and its co mponents can
be found under "Occupant saf ety". 288
288
Display messages and
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6 Front left malfunction
Consult workshop (exa m-
ple) *T
he cor responding restraint system is malfunctioning. In addition, the
6 warning lamp on the instrument cluster lights up. &
W WARNING
ARNING Risk of injury due tomalfunctions in there straint
system
Co mp onents in there straint system may be activated unintention-
al ly or not deploy as intended in an accident. #
Have there straint system checked and repaired immediately
at a quali/ed specialist workshop. #
Consult a quali/ed specialist workshop immediatel y.
6 Left windowbag malfunc-
tion Consult work-
shop (examp le) *T
he cor responding wind owairbag is malfunctioning. In addition, the
6 warning lamp on the inst rument cluster lights up. &
W WARNING
ARNING Risk of injury or fatal injury due toa malfunction in
th e windowbag
The windowbag might be triggered unintentionally or might not be
triggered at all in theev ent of an accident. #
Have the windowbag checked and repaired immediately at a
qu ali/ed specialist workshop. #
Consult a quali/ed specialist workshop immediatel y. Dr
Dr
iving syst
iving syst ems
ems Displa
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120 km/h Maximum
speed exceeded *F
or cer tain countries onl y:the maximum permissible speed has been
ex ceeded. #
Drive more slo wly.
À
ATTENTION ASSIST inop-
erative *A
TTENTION ASSIST has failed. #
Consult a quali/ed specialist workshop.
ATTENTION ASSIST:
Take a break! *B
ased on cer tain criteria, ATTENTION ASSIST has de tected fatigue or
increasing lapses in concentration on the part of the driver.
A wa rning tone also sounds. #
If necessar y,take a break.
On long jou rney s, take regular and timely breaks that allow youto rest
prope rly.
Active Distance Assist
- - - km/h *A
n activation condition forAc tive Distance Assist DISTRONIC has not
been ful/lled. #
Comply with the activation conditions forAc tive Distance Assist
DISTRONIC (/ page 161). Display messages and
warning and indicator lamps
289 289

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Active Distance Assist
Off *A
ctive Dis tance Assist DISTRONIC has been deactivated
(/ page 161).
In theeve nt of a deactivation not initia tedby the driver, a warning
to ne sounds as well.
Active Distance Assist
inoperative *A
warning tone also sounds. Active Distance Assist DISTRONIC is mal-
functioning. In addition, BASmay ha vefailed. #
Consult a quali/ed specialist workshop.
Active Distance Assist
and Limiter inoperative *A
warning tone also sounds. Active Distance Assist DISTRONIC and
th e limiter are malfunctioning. #
Consult a quali/ed specialist workshop.
Active Distance Assist
suspended *Y
ou are accelerating. Active Distance Assist DISTRONIC does not
inter vene forth e duration of the acceleration process. #
Remo ve yo urfoot from the accelerator pedal.
Ac tive Distance Assist DISTRONIC will be acti vated again.
Active Distance Assist
currently unavailable
See Owner's Manual *A
warning tone also sounds.
Ac tive Distance Assist DISTRONIC has been switched o. and is tem-
porarily non-operational.
The following causes are possible:
R The function is impaired due toheavy rain or sno w.
R The radar sensor system is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting sta-
tions or other sources of radiation.
R The system is outside the operating temp erature range.
R The on-board electrical system voltage is too lo w.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Active Distance Assist DISTRONIC will be opera-
tional again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Restart theve hicle.
Active Distance Assist
available again *A
ctive Dis tance Assist DISTRONIC is ope rational again following tem-
porary non- availabilit y.Yo u can now switch Active Distance Assist
DISTRONIC on again (/ page 162).
Active Brake Assist Func-
tions limited See Own-
er's Manual *A
ctive Brake Assist is una vailable due toa malfunction. #
Consult a quali/ed specialist workshop.
Active Brake Assist Func-
tions currently limited
See Owner's Manual *A
ctive Brake Assist is temp orarily non-operational.
The following causes are possible:
R The sensors in the front bumper are dirty.
R The function is impaired due toheavy rain or sno w. 290 290
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R The radar sensor system is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting sta-
tions or other sources of radiation.
R The system is outside the operating temp erature range.
R The on-board electrical system voltage is too lo w.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Active Brake Assist will be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Switch o. theve hicle. #
Clean the sensors in the front bumper (/ page 232). #
Start theve hicle again.
Radar sensors dirty See
Owner's Manual *A
warning tone also sounds.
At least one of thefo llowing driving systems or driving saf ety systems
is temp orarily non-operational or operational only on a restric ted
basis:
R Active Brake Assist
R Blind Spot Assist
R Active Distance Assist DISTRONIC
The following causes are possible:
R The sensors in thera diator grille and/or in the bumpers are dirty.
R The function of the driving system or driving saf ety system is
impaired due toheavy rain or sno w.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and the driving systems or driving saf ety systems will be
operational again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Switch o. theve hicle. #
Clean the sensors in thefo llowing places:
R Inthera diator grille
R Inthe front bumper
R Inthere ar bumper #
Start theve hicle again.
Limiter - - - km/h *The limi ter cannot be activated while you ha vethe accelerator pedal
depressed be yond the point of resis tance (kickdown). #
If conditions permit, drive at a speed greater than 30 km/h and
store the speed.
Limiter passive *You ha vethe accelerator pedal depressed be yond the point of resist-
ance. Whilst you are accelerating, the limiter does not control your
speed. Display message
s andwarning and indicator lamps
291 291

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Remo ve yo urfoot from the accelerator pedal. The limiter will be
re activated and will limit your speed.
Cruise control - - - km/h *An activation condition for cruise control has not been met.
Fo rex ample, you are aiming tostore a speed below 30 km/h. #
If conditions pe rmit, drive at a speed greater than 30 km/h and
store the speed. #
Obser vethe activation conditions for cruise control
(/ page 158).
Cruise control and Lim-
iter inoperative *A
warning tone also sounds. Cruise control and the limiter are mal-
functioning. #
Consult a quali/ed specialist workshop.
Blind Spot Assist not
available when towing a
trailer See Owner's Man-
ual *B
lind Spot Assist is switched o. during trailer operation. #
Ackno wledge the display message with thea steering wheel
button.
Blind Spot Assist inoper-
ative *B
lind Spot Assist is malfunctioning. #
Consult a quali/ed specialist workshop.
Blind Spot Assist cur-
rently unavailable See
Owner's Manual *B
lind Spot Assist is temp orarily non-operational.
The following causes are possible:
R The function is impaired due toheavy rain or sno w.
R The radar sensor system is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting sta-
tions or other sources of radiation.
R The system is outside the operating temp erature range.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Lane Keeping Assist will be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Switch o. theve hicle. #
Restart theve hicle.
à --- km/h *D
SR has been switched on but is not active as you are driving at a
speed greater than 18 km/h. If you drive at a speed below 18 km/h,
DSR will automatically brake again tothe set speed.
Ã
Off *D
SRwas deacti vated.
If it was not deacti vatedby the driver, e.g. due toa malfunction of the
ESP ®
, a warning tone also sounds. 292 292
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à inoperative *A
warning tone also sounds. DSR is una vailable due toa malfunction. #
Consult a quali/ed specialist workshop.
Active Parking Assist
cancelled *A
n acoustic signal sounds as well. The active parking assistance sys-
te ms ha vebeen cancelled and Active Parking Assist will automatically
be abor ted. You ha vetouched the steering wheel, forex ample, or
ha ve driven at too high a speed. #
Steer and brake manuall y. #
Repeat the parking procedure if necessar y.Comply with the deac-
tivation conditions (/ page 170).
Active Parking Assist
inoperative *P
ARKTRONIC is malfunctioning or defecti ve. #
Comply with the inst ructions and aids in "Function of
PA RKTRONIC"(/ page 165). #
Ifth e display message continues tobe displa yed, consult a quali-
/ed specialist workshop:
*A ctive Parking Assist is not available or is malfunctioning. #
Switch o. theve hicle, wait a short while, then switch it on again.
If th e display message continues tobe displa yed, or if the display does
not show thej symbol: #
Consult a quali/ed specialist workshop.
Lane Keeping Assist
inoperative *L
ane Keeping Assist is malfunctioning. #
Consult a quali/ed specialist workshop.
Lane Keeping Assist cur-
rently unavailable See
Owner's Manual *L
ane Keeping Assist has been switched o. and is temp orarily non-
operational.
The following causes are possible:
R The windscreen is dirty in the camera's /eld of vision.
R Visibility is impaired due toheavy rain, snow or fog.
R Lane markings are absent for a long period of time.
R The lane markings are worn, dark or co veredby dirt or sno w,for
ex ample.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Lane Keeping Assist will be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Clean the windscreen.
Traffic Sign Assist inoper-
ative *
Tra1c Sign Assist is malfunctioning. #
Consult a quali/ed specialist workshop.
Traffic Sign Assist cur-
rently unavailable See
Owner's Manual *
Tra1c Sign Assist has been switched o. and is temp orarily non-
operational. Display messages and
warning and indicator lamps
293 293

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The following causes are possible:
R The windscreen is dirty in the camera's /eld of vision.
R Visibility is impaired due toheavy rain, snow or fog.
If th e causes mentioned abo veno longer app ly,th e display message
will disappear and Tra1c Sign Assist will be operational again.
If th e display message does not go out: #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Clean the windscreen.
ë
Off *T
he HOLD function has been deacti vated. The vehicle has star ted
skidding.
A wa rning tone also sounds. #
Switch the HOLD function on again later (/ page 164).
*T he HOLD function has been deacti vated. An activation condition will
no longer be met when the brake pedal is depressed.
A wa rning tone also sounds. #
Che ckthe activation conditions of the HOLD function
(/ page 164).
Â
Lowering *
The vehicle le vel may be lo weredfo rth efo llowing reasons:
R You ha veselected a di.erent drive prog ram.
R You ha veexceeded the speed limit.
Á Vehicle rising *
The vehicle le vel may be raised forth efo llowing reasons:
R You ha veselected a di.erent drive prog ram.
R You ha vefallen below the speed limit.
Á
Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the com-
pressor /r stneeds tocool down toenable the selected driving le velto
be set.
When the compressor has cooled down, theve hicle will continue ris-
ing tothe selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure
th at there is su1cient ground clearance.
ä
Malfunction See Own-
er's Manual *A
IRM ATIC is functioning only toa limi tedex tent. The vehicle's han-
dling characteristics may be a.ected.
* N
NO OTE TE The tyres on the front axle or thefe nders could be
damaged bylarge stee ring mo vements #
Avoid lar gestee ring mo vements while driving and lis tenfor
scraping sounds. #
Ifyo u hear scraping sounds, pull over and stop theve hicle in
accordance with the tra1c conditions, and set a higher vehi-
cle le vel if possible. 294
294
Display message
s andwarning and indicator lamps