2021 MERCEDES-BENZ V-CLASS air condition

Obser
vethefo llowing points when selecting, /tting
and replacing tyres:
R Countr y-speci/c requ irements for tyre
appr oval that de/ne a speci/c tyre type for
yo ur vehicle.
Fu rthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can be
high lybene/cial.
R Use only tyres and wheels of the same type,
design (summer tyres, winter tyres, all-season
tyres) and make.
R Only /t wheels of the same size and tread
design on one axle (leT and right).
It is only permissible to/t a di.e rent wheel
size tothis in theev ent of a 0at tyre in order to
drive tothe specialist workshop.
R Only /t tyres of the cor rect size onto the
wheels.
R Do not make any modi/cations tothe brake
system, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and results in the in validation of the
ve hicle's general ope rating permit.
R V
V ehicles wit ehicles wit h a tyr
h a tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: all /t tedwheels must be equipped with
functioning sensors forth e tyre pressure moni-
to ring system.
R Attemp eratures below 10°C use winter tyres
or all-season tyres with the M+S marking on all
wheels.
Wi nter tyres bea ring thei snow0ake sym-
bol in addition tothe M+S marking pr ovide the
best possible grip in wintry road conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres /t ted.
If th is is below theve hicle's maximum permis-
sible speed, this must be indicated in an appro-
priate label in the driver's /eld of vision.
R Run in new tyres at moderate speeds forthe
/r st 100 km.
R Replace the tyres aTer six years at the latest,
re ga rdless of wear.
Fo r more information on wheels and tyres, contact
a quali/ed specialist workshop. Also obser
vethefo llowing fur ther related subjects:
R Notes on tyre pressure (/ page 253)
R Tyre pressure table (/ page 254)
R Notes on the emer gency spa rewheel
(/ page 267) N No
ot
tes on c
es on c hanging wheels
hanging wheels &
W
WARNING
ARNING Risk of injury thro ugh di.erent
wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo-
nents may also be damaged. #
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vedi.erent dimensions can ren-
der thege neral ope rating permit in valid.
On vehicles with the same front and rear wheel
size, you can inter change the wheels every 5,000
to 10,000 km depending on thewe ar. Ensure the
direction of rotation is maintained forth e wheels.
It is imperative toobser vethe inst ructions and
saf ety no tes on "Changing a wheel" when doing so. Size cat Size cat
egor
egories of wheels
ies of wheels The de
term ined vehicle speed is displa yed in the
inst rument cluster and is impor tant for controlling
th e driving saf ety systems and driving systems. The
display accuracy of the speedome ter and the
odome ter is legally prescribed. De term ining the
speed is dependent on the tyre size or thero lling
circumference of the tyres. The rim diame ter is
alw ays speci/ed in inches.
Fo rth is reason, theve hicle cont rol units can be
coded forth efo llowing wheel size categories: Wheel size cat
Wheel size cat
egor
egory 1
y 1
195/65 R 16 C
205/65 R 16 C
225/60 R 16 C
225/55 R 17 C 260 260
Wheels and tyres

Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
Front-passenger airbag
disabled See Owner's
Manual *T
he front passen ger airbag is disabled while theve hicle is in motion
ev en though an adult or a person with a cor responding build is occu-
py ing the front passenger seat.
If additional forc es are applied tothe seat or the front passenger is
not sitting on the seat sur face proper ly (/ page 35), thewe ight the
system de tects may be too lo w. &
W WARNI NG
ARNI NG‑ Risk of injury or even fata l injury when the front
passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in
th eeve nt of an accident and cannot per form its intended pr otec-
tive function.
A person in the front passenger seat could then, forex ample,
come into contact with theve hicle interior, especially if the person
is sitting too close tothe dashboa rd. #
Beawa reofthe status of the front passenger airbag bo th
before and during the journe y. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. #
Secure theve hicle against rolling away. #
Ensure that no objects ha vebecome trapped beneath the front
passenger seat. #
Switch o. theve hicle. #
The front passen ger must getout of theve hicle. #
Make sure that the front passenger seat is unoccupied, close the
front passenger door and switch on theve hicle. #
Obser vethePA SSENGER AIRBAG OFF indicator la mponthe
cent reconsole and the display messages. #
With th e seat unoccupied and theve hicle switched on, check the
fo llowing:
R The PASSENGER AIRBAG OFF indicator la mpmust light up
continuousl y.Ifth e indicator lamp is lit, the automatic front
passenger airbag actuation has disabled the front passenger
airbag (/ page 35).
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.
If th ese conditions are not met, the automatic front passenger airbag
actuation is malfunctioning. #
Consult a quali/ed specialist workshop immediatel y. Display messages and
warning and indicator lamps
283 283

Displa
Displa
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es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
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

Displa
Displa
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y messag es P
es P ossible causes/conseq
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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y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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
Displa
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es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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

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

Displa
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ossible causes/consequences and uences andM
MSolutions
Solutions
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
Displa
y messag
y messag es P
es P ossible causes/conseq
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