engine MERCEDES-BENZ V-CLASS MPV 2021 Manual Online

*
NO
TEDama gecaused byincor rect cool‐
ant #
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction. Information on coolant is
available at thefo llow‐
ing locations:
R inthe Mercedes-Benz Specification for Oper‐
ating Fluids 320.1
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop
* NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the engine
cooling sy stem is not suf ficiently pr otected
against overheating and cor rosion at high out‐
side temp eratures. #
Always use coolant appr ovedby
Mercedes-Benz . #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 320. 1. *
NO
TEPaint wo rkdamage due tocoolant #
Do not spill coolant on painted sur fa‐
ces. Ha
ve the coolant regularly replaced at a qualified
specialist workshop.
No tethe proportion of anti-cor rosion agent/anti‐
freeze in the engine cooling sy stem within thefo l‐
lowing temp erature ranges:
R at least 50% (antifreeze pr otection up to
about -37°C)
R maximum 55% (antifreeze pr otection up to
-45°C)
Capacities, coolant
Coolant capacity Mode
lC apacity
All model sA pprox.10 .4 l
Appr ox.13 .4 l
on vehicles with auxil‐
iary heating Wi
ndscreen washer fluid Note
s on windscreen washer fluid
Obser vethe no tes on operating fluids
(/ page 269). &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndscreen washer concentrate is highly
fl ammable. It could ignite if it comes into con‐
ta ct with hot engine component parts or the
ex haust sy stem. #
Make sure that no windscreen washer
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐
tic sur faces, e.g. MB SummerFit or MB
Wi nterFit. *
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids #
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water.Other‐
wise, thefill le vel sensor may give a false reading.
Re commended windscreen washer fluid:
R Abo vefreezing point: e.g. MB SummerFit
R Below freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio, referto the informa‐
tion on the anti-freeze container.
Mix thewa sher fluid with windsc reen washer fluid
all year round. Re
frigerant Note
s onrefrigerant
Obser vethe no tes on operating fluids
(/ page 269). Te
ch nical da ta275

All models
Loading height
Compact
version
Long version
Extra-long body 13
27 mm
13 26 mm
12 97 mm
Wheelbase
Compact version
Long version
Extra-long body 3200 mm
3200 mm
3430 mmTr
ailer hitch Note
s onthe trailer hit ch &
WARNING Risk of accident due toimper‐
missible attachment of a trailer tow hit ch
If yo u ins tall a trailer tow hit chorother com‐
ponents, the longitudinal frame member is
we akened and can break. The trailer may
become de tach ed from theve hicle.
There is a risk of an accident.
Only retrofit a trailer tow hit chif permissible. Obser
vethe no tes on trailer operation
(/ page 176).
Re trofitting a trailer hitch is only pe rmissible if a
to wing capacity is specified in your vehicle docu‐
ments.
Only use a trailer hitch which has been tested
and specially appr ovedby Mercedes-Benz for
yo ur vehicle. Overview of mounting dimensions
1
Fastening points
2 Distance from road sur face
The dis tance between the trailer hitch and the
ro ad sur face on an unladen vehicle depends on
th eve hicle type and theve hicle's equipment.
Thus, it cannot be specified. The dis tance tothe
ro ad sur face of a laden vehicle is between 350
mm and 420 mm. Tr
ailer loads When
towing a trailer, the permissible gross vehi‐
cle weight is inc reased by100kg forve hicles
with passenger vehicle appr oval. The maximum
permissible rear axle load may be exceeded by
15 0kg when towing a trailer.
The road speed of theve hicle must be limited to
a maximum of 100 km/h in accordance with
Directive 92/21/EEC.
The permissible weights and loads which must
not be exceeded can also be obtained from the
fo llowing sources of information:
R Vehicle documents
R The type plates of the trailer hitch, trailer and
ve hicle
If th eva lues dif fer, th e lo west value applies.
When driving in moun tainous areas, no tethat the
engine po wer output, and with it the gradient
climbing capability of theve hicle, decrease with
increasing ele vation.
The following values apply for a minimum start-
off gradeability of 12%. Te
ch nical da ta277

Display messages
Possible causes/consequences and 0050 0050Solutions #
Comply with the activation conditions forAc tive Dis tance Assi st
DISTRONIC (/ page 162).
Active Distance Assist
Off *A
ctive Dis tance Assi stDISTRONIC has been deacti vated
( / page 162).
In theeve nt of a deacti vation not initia tedby the driver, a warning
to ne sounds as well.
Active Distance Assist
inoperative *A
warning tone also sounds. Active Dis tance Assi stDISTRONIC is
malfunctioning. In addition, BAS may ha vefailed. #
Consult a qualified specialist workshop.
Active Distance Assist
and Limiter inoperative *A
warning tone also sounds. Active Dis tance Assi stDISTRONIC and
th e limiter are malfunctioning. #
Consult a qualified specialist workshop.
Active Distance Assist
suspended *Y
ou are accelerating. Active Dis tance Assi stDISTRONIC does not
inter vene forth e duration of the acceleration process. #
Remo veyour foot from the accelerator pedal.
Ac tive Dis tance Assi stDISTRONIC will be acti vated again.
Active Distance Assist
currently unavailable
See Owner's Manual *A
warning tone also sounds.
Ac tive Dis tance Assi stDISTRONIC has been switched off and is
te mp orarily non-operational.
The following causes are possible:
R The function is impaired due toheavy rain or sno w.
R The radar sensor sy stem is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting
st ations or other sources of radiation.
R The sy stem is outside the operating temp erature range.
R The on-board electrical sy stem voltage is too lo w.
If th e causes mentioned abo veno longer apply, the display message
will disappear and Active Dis tance Assi stDISTRONIC will be opera‐
tional again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Secure theve hicle against rolling away. #
Restart the engine.
Active Distance Assist
available again *A
ctive Dis tance Assi stDISTRONIC is operational again following
te mp orary non-availabilit y.Yo u can now swit chActive Dis tance
Assi stDISTRONIC on again (/ page 163).
Active Brake Assist Func-
tions limited See Own-
er's Manual *A
ctive Brake Assi stis una vailable due toa malfunction. #
Consult a qualified specialist workshop.
Active Brake Assist Func-
tions currently limited
See Owner's Manual *A
ctive Brake Assi stistemp 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. 288
Display messages and warning and indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
R The radar sensor sy stem is temp orarily inoperative, e.g. due to
electromagnetic radiation emitted bynearby TVorradio stations
or other sources of electromagnetic radiation.
R The sy stem is outside the operating temp erature range.
R The on-board electrical sy stem voltage is too lo w.
If th e causes mentioned abo veno longer apply, the display message
will disappear and Active Brake Assi stwill be operational again.
If th e display message does not go out: #
Stop in accordance with the tra ffic conditions. #
Secure theve hicle against rolling away. #
Switch off the engine. #
Clean the sensors in the front bumper (/ page 229). #
Restart the engine.
Radar sensors dirty See
Owner's Manual *A
warning tone also sounds.
At least one of thefo llowing driving sy stems or driving saf ety sys‐
te ms is temp orarily non-operational or operational only on a restric‐
te d basis:
R Active Brake Assi st
R Blind Spot Assist
R Active Dis tance Assi stDISTRONIC
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 sy stem or driving saf ety sy stem is
impaired due toheavy rain or sno w.
If th e causes mentioned abo veno longer apply, the display message
will disappear and the driving sy stems or driving saf ety sy stems will
be operational again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Secure theve hicle against rolling away. #
Switch off the engine. #
Clean the sensors in thefo llowing places:
R Inthera diator grille
R Inthe front bumper
R Inthere ar bumper #
Restart the engine.
Limiter - - - km/h *T
he limiter cannot be activated while you ha vethe accelera tor pedal
depressed be yond the point of resis tance (ki ckdown). #
If conditions permit, drive at a speed greater than 30 km/h and
st ore the speed. Display messages and
warning and indicator lamps 289

Display messages
Possible causes/consequences and 0050 0050Solutions
Limiter passive *Y
ou ha vethe accelerator pedal depressed be yond the point of
re sis tance. Whilst you are accelerating, the limiter does not cont rol
yo ur speed. #
Remo veyour foot from the accelerator pedal. The limiter will be
re activated and will limit your speed.
Cruise control - - - km/h *A
n acti vation condition for cruise control has not been met.
Fo rex ample, you are aiming tostore a speed below 30 km/h. #
If conditions permit, drive at a speed greater than 30 km/h and
st ore the speed. #
Obser vethe activation conditions for cruise control
(/ page 159).
Cruise co ntrol and Lim-
iter inoperative *A
warning tone also sounds. Cruise control and the limiter are mal‐
functioning. #
Consult a qualified specialist workshop.
Blind Spot Assist not
available when towing a
trailer See Owner's Man-
ual *B
lind Spot Assist is switched off during trailer operation. #
Acknowled gethe display message with the0076 steering wheel
button.
Blind Spot Assist inoper-
ative *B
lind Spot Assist is malfunctioning. #
Consult a qualified 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 sy stem is temp orarily non-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting
st ations or other sources of radiation.
R The sy stem is outside the operating temp erature range.
If th e causes mentioned abo veno longer apply, the 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 tra ffic conditions. #
Secure theve hicle against rolling away. #
Switch off the engine. #
Restart the engine.
00C6
--- km/h *D
SR has been switched on but is not acti veas you are driving at a
speed greater than 18 km/h. If you drive at a speed below 18km/h,
DSR will au tomatically brake again tothe set speed.
00C6
Off *D
SRwas deactivated.
If it was not deactivated bythe driver, e.g. due toa malfunction of
th e ESP ®
, a warning tone also sounds. 290
Display messa ges and warning and indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
00C6
inoperative *A
warning tone also sounds. DSR is una vailable due toa malfunc‐
tion. #
Consult a qualified specialist workshop.
Active Parking Assist
cancelled *A
n acoustic signal sounds as well. The active parking assis tance
sy stems ha vebeen cancelled and Active Parking Assist will auto‐
matically be abor ted. You ha vetouched thesteering wheel, for
ex ample, or ha vedriven at too high a speed. #
Steer and brake manuall y. #
Repeat the parking procedure if necessar y.Comply with the
deactivation conditions (/ page169).
Active Parking Assist
inoperative *P
ARKTRONIC is malfunctioning or defe ctive. #
Comply withthe instructions and aids in "Function of
PA RKTRONIC"( /page 166). #
Ifth e display message continues tobe displa yed, consult a
qu alified specialist workshop:
*A ctive Parking Assist is not available or is malfunctioning. #
Swit choff the ignition. #
Restart the engine.
If th e display message continues tobe displa yed, or if the display
does not show the005D symbol: #
Consult a qualified specialist workshop.
Lane Keeping Assist
inoperative *L
ane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Lane Keeping Assist cur-
rently unavailable See
Owner's Manual *L
ane Keeping Assist has been switched off and is temp orarily non-
operational.
The following causes are possible:
R The windsc reen is dirty in the camera's field 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 apply, the 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 tra ffic conditions. #
Secure theve hicle against rolling away. #
Clean the windscreen.
Traffic Sign Assist inoper-
ative *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning and indicator lamps 291

Display messages
Possible causes/consequences and 0050 0050Solutions #
Ifyo u hear sc raping sounds, pull over and stop theve hicle
in accordance with the traf fic conditions, and set a higher
ve hicle le vel if possible. #
Drive in a manner appropriate forth e cur rent le vel, but do not
exc eed 80 km/h. #
Consult a qualified specialist workshop. Engine
Display messages
Possible causes/consequences and 0050 0050Solutions
003D
See Owner's Manual *A
warning tone also sounds.
The battery is no longer being charge dfo r one of thefo llowing rea‐
sons:
R defective alternator
R torn poly -Vbelt
R malfunction in the electronics #
Stop immediately in accordance with the traf fic conditions and
switch off the engine.
Do not continue driving. If you do, the engine may overheat. #
Secure theve hicle against rolling away. #
Consult a qualified specialist workshop.
003A
Clean the fuel filter *T
here is water inthe fuel filter. The water must be drained off. #
Consult a qualified specialist workshop.
00AC
Coolant Stop vehicle
Switch engine off *A
warning tone also sounds. The coolant is too hot. &
WARNING Risk of burn s when opening the bonn et
If yo u open the bonn etwhen the engine has overheated or when
th ere is a fire inthe engine compartment, thefo llowing situa‐
tions may occur:
R You could come into con tact with hotgases.
R You could come into con tact with other hot, escaping oper‐
ating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the
bonn etclosed and call thefire service. &
WARNING Risk of scalding from hot coolant
If yo u open the cap, you could be scalded. #
Letthe mo tor cool down before opening the cap. Display messages and
warning and indicator lamps 293

Display messages
Possible causes/consequences and 0050 0050Solutions #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. #
Monitor the coolant temp erature display 00AConthe instrument
clus ter. #
Wait until the engine has cooled down. #
Ensure that the air supply tothera diator is not obstructed. #
Avoiding high engine loads, drive on tothe nearest qualified spe‐
cialist workshop. In doing so, ensure that the coolant temp era‐
ture display remains below 120°C.
00AC *T
hefan mo tor is defective. #
Check the coolant temp erature display 00AConthe instrument
clus ter.
If th e coolant temp erature is below 120°C, you can continue driving
to the nearest qualified specialist workshop.
Av oid high engine loads, e.g. driving on hilly roads or stop-and-go
driving.
00BD
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Top up with coolant, following the no tes on coolant
(/ page 225).
If yo u frequently need to top up the coolant: #
Have the engine cooling sy stem checked at a qualified specialist
wo rkshop.
009E
Replace air cleaner *T
he engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
00B2
Check eng. oil lev. when
next refuelling *A
warning tone also sounds. The oil le vel in your vehicle has fallen to
th e minimum.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe oil le vel when next refuelling, at the latest
(/ page 223). #
If necessar y,top up the engine oil (/ page 224). 294
Display messages and warning and indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
If engine oil frequently needs tobe topped up: #
Have the engine checked at a qualified specialist workshop.
00B2
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 immediately in accordance with the traf fic conditions and
switch off the engine. #
Secure theve hicle against rolling away. #
Check the oil le vel (/ page 223). #
If necessar y,top up the engine oil (/ page 224).
00B4 Reserve fuel level *T
he fuel supply has dropped into there ser verange.
Ope ration of the auxiliary heating (s tationary hea ter) is deactivated
in there ser verange. #
Refuel theve hicle.
Ï *T
here is very little fuel in the fuel tank. #
It is absolutely essential torefuel at the nearest filling station. Ad
Blue ® Displ
aymessages
Possible causes/consequences and 0050 0050Solutions
00C8
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 149).
00C8 Refill AdBlue Emer. oper.
in XXX km See Owner's
Manual *
Awa rning tone also sounds. The AdBlue ®
leve l is suf ficient only for
th e dis tance displ ayed. If you subse quently start the engine again,
yo u will be able todrive theve hicle only at a maximum speed of
20 km/h forth e dis tance shown. Engine mana gement will then pre‐
ve nt the engine from starting. #
Top up with AdBlue ®
immedia tely (/ page149).
00C8 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 the dis tance shown at a maximum speed of 20 km/h. If you
subsequently switch off the engine, the engine management sy stem
will pr eventthe engine from being star ted again. You will then be
able tostart the engine only once you ha verefilled theAd Blue ®
ta nk. #
Stop theve hicle in accordance with the tra ffic conditions. #
Top up with AdBlue ®
immedia tely (/ page149). Displ
aymessa ges and warning and indicator lamps 295

Display messages
Possible causes/consequences and 0050 0050Solutions
00C8
Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
tank is em pty. Yo u can no
lon gerst art the engine. #
Top up with at least 8 l AdBlue ®
(/ page 149). #
Turn theke yto position 0048inthe 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.
0099 AdBlue system Malfunc-
tion See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
0099 AdBlue malfunction
Emer. oper. in XXX km
See Owner's Manual *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
The displa yed dis tance 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 dis tance shown. Af ter
th at, the engine management sy stem will pr event the engine from
being star ted again. #
Consult a qualified specialist workshop immediatel y.
0099 Limp-home mode: 20
km/h No start ... km
See Owner's Manual. *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
Yo u may continue todrive the displa yed dis tance at a maximum
speed of 20 km/h. If you subse quently switch off the engine, the
engine management sy stem will pr eventthe engine from being star‐
te d again. #
Drive on toaqu alified specialist workshop.
or #
Stop theve hicle in accordance with the tra ffic conditions and
consult a qualified specialist workshop.
0099 Refill AdBlue Start not
possible *
Awa rning tone also sounds. The AdBlue ®
sy stem is malfunctioning.
Yo u can no lon gerst art the engine. #
Inform a qualified specialist workshop immediately. Ty
res Display messages
Possible causes/consequences and 0050 0050Solutions
Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fer‐
ence in tyre pressu rebetween the individual wheels is too great. #
Check the tyre pressure at the next opportunity . #
Correct the tyre pressure as necessar y. #
Restart the tyre pressure monitoring sy stem (/ page 255).
Check tyre(s) *A
warning tone also sounds.
The tyre pressure in one or more tyres has dropped significantl y.296
Display messages and warning and indicator lamps