stop start MERCEDES-BENZ V-CLASS 2021 Owner's Manual

Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions #
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
warning and indicator lamps

Displa
Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
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
Display message
s andwarning and indicator lamps

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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

Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions #
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
Display messa
ges and warning and indicator lamps

Displa
Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
4 Engine oil level Stop vehi-
cle Switch engine off *T
he oil le vel is too lo w.There is a risk of engine damage. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. #
Secure theve hicle against rolling away. #
Check the oil le vel (/ page 226). #
If necessar y,top up the engine oil (/ page 227).
6 Reserve fuel level *T
he fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (stationary heater) is deactivated in
th ere ser verange. #
Refuel theve hicle.
Ï *T
here is very little fuel in the fuel tank. #
It is absolutely essential torefuel at the nearest /lling station. A A
dBlue
dBlue ®
® Displa
Displa
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y messag es P
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ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Ø
Refill AdBlue See Own-
er’s Manual *
Awa rning tone also sounds. The AdBlue ®
leve l has fallen below the
re ser verange. #
Top up with AdBlue ®
as soon as possible (/ page 148).
Ø Refill AdBlue Emer. oper.
in XXX km See Owner's
Manual *
Awa rning tone also sounds. The AdBlue ®
leve l is su1cient only for
th e distance displa yed. If you subsequently start the engine again, you
will be able todrive theve hicle only at a maximum speed of 20 km/h
fo rth e distance shown. Engine management will then pr event the
engine from starting. #
Top up with AdBlue ®
immediately (/ page 148).
Ø
Limp-home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can drive
th e distance shown at a maximum speed of 20 km/h. If you subse-
qu ently switch o. the engine, the engine management system will
pr eve ntthe engine from being star ted again. You will then be able to
start the engine only once you ha vere/lled theAd Blue ®
tank. #
Stop theve hicle in accordance with the tra1c conditions. #
Top up with AdBlue ®
immediately (/ page 148).
Ø
Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can no
longer start the engine. #
Top up with at least 8 l AdBlue ®
(/ page 148). #
Turn theke yto position 2inthe ignition lock and waitfor
appr oximately one minute.
The engine can be restar ted once the engine management has
de tected the new le vel. Display message
s andwarning and indicator lamps
297 297

Displa
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ossible causes/consequences and uences andM
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Solutions
¯ AdBlue system Malfunc-
tion See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
system is malfunctioning. #
Consult a quali/ed specialist workshop immediatel y.
¯ AdBlue malfunction
Emer. oper. in XXX km
See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
system is malfunctioning.
The displa yed distance is the maximum you can drive. If you subse-
qu ently start the engine again, you will be able todrive theve hicle
only at a maximum speed of 20 km/h forth e distance shown. ATer
th at, the engine management system will pr eventthe engine from
being star ted again. #
Consult a quali/ed specialist workshop immediatel y.
¯ Limp-home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
system is malfunctioning.
Yo u may continue todrive the displa yed distance at a maximum speed
of 20 km/h. If you subsequently switch o. the engine, the engine
management system will pr event the engine from being star ted again. #
Drive on toaqu ali/ed specialist workshop.
or #
Stop theve hicle in accordance with the tra1c conditions and con-
sult a quali/ed specialist workshop.
¯
Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
system is malfunctioning.
Yo u can no longer start the engine. #
Inform a quali/ed specialist workshop immediatel y. T T
yr
yr es
es Displa
Displa y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
M Solutions
Solutions
Rectify tyre pressure *The tyre pressure is too low in at least one of the tyres, or the di.er-
ence in tyre pressure between the individual wheels is toogr eat. #
Check the tyre pressure at the next opportunity (/ page 258). #
Correct the tyre pressure as necessar y. #
Restart the tyre pressure monitoring system (/ page 258).
Check tyre(s) *Awarning tone also sounds.
The tyre pressure in one or more tyres has dropped signi/cantl y.&
W
WARNI NG
ARNI NGRisk of an accident due toinsu1cient tyre pres-
sure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking
may be greatly impaired. 298
298
Display messages and
warning and indicator lamps

Displa
Displa
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ossible causes/consequences and uences andM
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Solutions
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle without steering or braking sudden ly.Pa y atten-
tion tothe tra1c conditions. #
Secure theve hicle against rolling away. #
Check the tyres. If necessar y,replace the wheel (/ page 261). #
Check the tyre pressure (/ page 258). Correct the tyre pressure
as necessar y.
Warning tyre defect *The tyre pressure in one or more tyres has dropped sudden ly.&
W
WARNI NG
ARNI NGRisk of an accident from driving with a 0at tyre
R The tyres can overheat and cause a /re.
R The driving characteristics as well as the steering and braking
may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive on with a 0at tyre. #
Obser vethe no tes on 0at tyres. #
Stop theve hicle without steering or braking sudden ly.Pa y atten-
tion tothe tra1c conditions. #
Secure theve hicle against rolling away. #
Check the tyres. If necessar y,replace the wheel (/ page 261).
Tyre press. monitor cur-
rently unavailable *D
uetoa source of radio inter fere nce, no signals from the tyre pres-
sure sensors are being received. The tyre pressure monitoring system
is temp orarily malfunctioning.
The tyre pressure monitoring system will restart au tomatically as soon
as the cause has been recti/ed.
Wheel sensor(s) missing *There is no signal from the tyre pressure sensor of at least one tyre.
The display is not showing any pressure value forth e tyre in question. #
Have thefa ulty tyre pressure sensor replaced at a quali/ed spe-
cialist workshop.
Tyre pressure monitor
inoperative No wheel
sensors *T
he wheels /tted do not ha vesuitable tyre pressure sensors. The tyre
pressure moni toring system is deactivated. #
Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitoring system will switch on aTer a few
minutes of driving.
Tyre pressure monitor
inoperative *T
he tyre pressure moni toring system is malfunctioning. #
Consult a quali/ed specialist workshop. Display messages and
warning and indicator lamps
299
299

Displa
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Solutions
Ó *A
warning tone also sounds. The bonnet is open. &
W
WARNI NG
ARNI NGRisk of accident due todriving with the bonnet
unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. #
Secure theve hicle against rolling away. #
Close the bonnet.
C *I
n addition, a warning tone sounds during the trip.
The display sho ws the open door or doors. #
Close all the doors.
¥
Top up washer fluid *T
hewasher 0uid le vel in thewa sher 0uid reser voir has dropped below
th e minimum. #
Top up thewa sher 0uid (/ page 229).
Ð Power steering malfunc-
tion See Owner's Manual *A
warning tone also sounds. The po wer assistance forth e steering
could be malfunctioning. You may need tosteer mo reforc efull y. #
Carefully continue toaqu ali/ed specialist workshop and ha vethe
stee ring checked immediatel y.
Telephone No service *Your vehicle is outside the transmission and receiver range of the
mobile phone network pr ovider.
To start engine, shift to
either P or N *Y
ou ha veattem pted tostart theve hicle in transmission position kor
h. #
ShiT the transmission toposition jori.
Auxiliary battery malfunc-
tion *T
he auxiliary battery forth e transmission is no longer being charge d. #
Consult a quali/ed specialist workshop.
Apply brake to deselect
Park (P) position *Y
ou ha vetried toshiT the transmission toposition h,kori with-
out applying the brake. #
Depress the brake pedal.
Apply brake to select R *You ha vetried toshiT the transmission toposition kwithout appl y-
ing the brake. #
Depress the brake pedal. #
ShiT the transmission position tok .
N permanently active
Risk of vehicle rolling *A
warning tone also sounds. While theve hicle is rolling or driving, the
transmission was shiTed toposition i. #
Tostop, depress the brake pedal and, when theve hicle is at a
standstill, shiT the transmission toposition j. Display messages and
warning and indicator lamps
301 301

V
V
ehicle
ehicle W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ð Po we r steering system
wa rning lamp *The
red po wer steering warning lamp is on while theve hicle is on. A
wa rning tone also sounds.
The po wer assistance forth e steering could be malfunctioning. You may
need tosteer mo reforc efull y. #
Carefully continue toaqu ali/ed specialist workshop and ha vethe
stee ring checked immediatel y. Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
; Engine diagnostics warn-
ing lamp *The
yellow engine diagnostics warning lamp is on while theve hicle is
on.
There may be a malfunction in thefo llowing vehicle systems:
R Engine management
R Injection
R Exhaust system
R Ignition system (in vehicles with a petrol engine)
R Fuel system
This can cause the emissions limit values tobe exceeded and the
engine torun in eme rgency mode. #
Have theve hicle checked immediately at a quali/ed specialist work-
shop.
6
Fu elreser vewarning lamp *T
he yellow fuel reser vewarning lamp is on while theve hicle is on.
The fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (stationary heater) is deactivated in
th ere ser verange. #
Refuel theve hicle.
?
Coolant warning lamp *The
red coolant warning lamp is on while theve hicle is running and the
coolant temp erature display is at the start of the scale.
The temp erature sensor forth e coolant temp erature display is defec-
tive.
The coolant temp erature is no longer being monitored. If the coolant is
to o hot, the engine may be damaged. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. Do not continue driving! #
Secure theve hicle against rolling away. #
Consult a quali/ed specialist workshop.
? Coolant warning lamp *T
he red coolant warning lamp is on while theve hicle is on.
The coolant le vel is too lo w.
If th e coolant le vel is cor rect, the air supply tothera diator may be
impaired or thera diator's electric fan may be faulty.
The coolant is too hot and the engine is not being adequately cooled. #
Pay attention tothe display messages. Display messages and
warning and indicator lamps
309 309

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. #
Secure theve hicle against rolling away. #
Exit theve hicle and keep a safe distance from it until the engine has
cooled down. #
Check the coolant le vel and top up with coolant, complying with the
inst ructions (/ page 228). #
Ifth e coolant has tobe topped up frequentl y,ha ve the engine cool-
ing system checked at a quali/ed specialist workshop. #
Ensure that the air supply tothera diator is not impaired, e.g. by a
plastic bag that has been blown onto thegr ille. #
Monitor the coolant temp erature display on the inst rument cluster. #
Do not restart the engine until the coolant temp erature is below
120°C. If you do, the engine may be damaged. #
Drive on tothe nearest quali/ed specialist workshop. Avoid high
engine loads, e.g. driving in mountainous terrain or stop-and-go
driving.
?
Coolant warning lamp *The
red coolant warning lamp is on while theve hicle is on. A warning
to ne also sounds.
The coolant has exceeded thete mp erature of 120°C. The air supply to
th era diator may be impaired or the coolant le vel may be too lo w.
The engine has not been su1cient lycooled and may be damaged. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re
in the engine compartment, thefo llowing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating
0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the
bonnet closed and call the /re service. #
Pay attention tothe display messages. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. #
Secure theve hicle against rolling away. #
Exit theve hicle and keep a safe distance from it until the engine has
cooled down. #
Check the coolant le vel and top up with coolant, complying with the
inst ructions (/ page 228). #
Ifth e coolant has tobe topped up frequentl y,ha ve the engine cool-
ing system checked at a quali/ed specialist workshop. #
Ensure that the air supply tothera diator is not impaired, e.g. by a
plastic bag that has been blown onto thegr ille. 310
310
Display message
s andwarning and indicator lamps