engine MERCEDES-BENZ V-CLASS 2021 Repair Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2021, Model line: V-CLASS, Model: MERCEDES-BENZ V-CLASS 2021Pages: 337, PDF Size: 9.87 MB
Page 279 of 337
Only Mercedes-Benz-appr
oved engine oils may be
used in Mercedes-Benz engines.
Fu rther information on engine oil and oil /lter:
R Inthe Mercedes-Benz Speci/cations for Oper-
ating Fluids at https://be vo.mercedes-
benz.com (by entering the designation)
R Ata quali/ed specialist workshop
Quality and capacity of engine oil Quality and capacity of engine oil
MB-Fr MB-Fr eig
eigabe orMB-
abe orMB- Approv
Approv al
al P
P
e
etr
tr ol engines
ol engines MB-Fr
MB-Freig
eigabe orMB-
abe orMB-
Approv
Approv al
al
All models 229.5, 229.6*Diesel engines
Diesel engines
MB-Fr
MB-Freig
eigabe orMB-
abe orMB-
Approv
Approv al
al
OM 651 228.51, 229.31,
229.51, 229.52*
OM 654 Rear-wheel
drive and all-wheel
drive 228.51, 229.31,
229.51, 229.52,
229.71* *
re commended for lo west possible fuel consump-
tion (l owestSA E viscosity class in each case;
obser vepossible restrictions of the appr ovedSAE
viscosity classes)
To achie vethe lo west possible fuel consum ption, it
is recommended touse the engine oil speci/ca-
tions mar ked in theta ble forth e lo westSA E vis-
cosity class. Obser veany possible restrictions of
th e appr ovedSA E viscosity classes.
% Ifth e engine oils listed in theta ble are not
av ailable, you may add a maximum 1.0 litre of
th efo llowing engine oils once onl y:
Engine oils for one-time /lling only in theex cep-
tional cases:
R V
V ehicles wit ehicles wit h pe
h petr
trol engines:
ol engines: MB-Freigabe or
MB-Appro val 229.3 or ACEA A3/B4
R V
V ehicles wit
ehicles wit h diesel engines:
h diesel engines: MB-Freigabe or
MB-Appr oval 228.5, 229.3 or 229.5ACEA C3
Engine oil
Engine oil /lling
/llingcapacity
capacity P
P
e
etr
tr ol engines
ol engines Capacity
Capacity
All model sA pproximately
7.7 litres Diesel engines
Diesel engines
Capacity
Capacity
OM 651
Re ar-wheel drive and
all-wheel drive Appr
oximately
8.5 litres
OM 654
Re ar-wheel drive and
all-wheel drive Appr
oximately
9.0 litres N No
ot
tes on br
es on br ak
ake
e0uid
0uid Obser
vethe no tes on operating 0uids
(/ page 271). &
W
WARNING
ARNING Risk of an accident due to
va pour poc kets form ing in the brake sys-
tem
The brake 0uid cons tantly absorbs moisture
from the air. This lo wersthe boiling point of the
brake 0uid. If the boiling point is too lo w,
va pour poc kets may form inthe brake system
when the brakes are applied hard.
This impairs the braking e.ect. #
Have the brake 0uid rene we d at the
speci/ed inter vals. *
N
NOOTE
TE Damage topaint, plastic or rubber
by brake 0uid There is a
risk of damage toproperty if brake
0uid comes into contact with paint, plastic or
ru bber. #
If paint, plastic or rubber comes into con-
ta ct with brake 0uid, rinse with water
immediatel y. Obser
vethe no tes on paintwork/matt /nish paint-
wo rkcare (/ page 231).
Ha ve the brake 0uid rene we dev ery two years at a
qu ali/ed specialist workshop.
Only use brake 0uid appr ovedby Mercedes-Benz in
accordance with MB-F reigabe or MB-Appr oval
331.0.
Information on brake 0uid is available at thefo llo w-
ing locations:
R inthe Mercedes-Benz Speci/cation for Operat-
ing Fluids 331.0
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a quali/ed specialist workshop 276 276
Te
ch nical data
Page 280 of 337
Coolant
Coolant
N
No
ot
tes on coolant
es on coolant
Obser vethe no tes on operating 0uids
(/ page 271). &
W
W ARNING
ARNING Risk of /re‑ and injury from
antifreeze
If antifreeze comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Allow theve hicle tocool down before
yo uto p up the antifreeze. #
Make sure that no antif reeze spills out
next tothe /ller opening. #
Thoroughly clean the antifreeze from
component parts before starting the
ve hicle. *
N
NOOTE
TE Damage caused byincor rect cool-
ant #
Only add coolant that has been premixed
with there qu ired antifreeze pr otection. Information on coolant is
available at thefo llowing
locations:
R Inthe Mercedes-Benz Speci/cation for Operat-
ing Fluids 320.1
- Athttps://be vo.mercedes-benz.com
- Inthe Mercedes-Benz BeVo app
R Ataqu ali/ed specialist workshop
* N
NOOTE
TE Overheating at high outside temp er-
atures If an inappropriate coolant is used,
the engine
cooling system is not su1cient lyprotected
against overheating and cor rosion at high out-
side temp eratures. #
Always use coolant appr ovedby
Mercedes-Benz . #
Obser vethe inst ructions in the
Mercedes-Benz Speci/cations for Oper-
ating Fluids 320.1. *
N
NOOTE
TE Paintwork damage due tocoolant #
Do not spill coolant on painted sur faces. Ha
ve the coolant regular ly replaced at a quali/ed
specialist workshop. No
tethe proportion of anti-cor rosion agent/anti-
freeze in the engine cooling system within thefo l-
lowing temp erature ranges:
R A minimum of 50% (antifreeze pr otection down
to about -37°C)
R A maximum of 55% (antifreeze pr otection down
to -45°C)
Capacities, coolant
Capacities, coolant
Engine cooling syst Engine cooling syst em
em Model
Model
Capacity
Capacity
All models Approx. 10.4 l
Appr ox. 13.4 l
on vehicles with auxili-
ary heating W
W
indscr
indscr een w
een washer
asher 0uid
0uid N
No
ot
tes on windscr
es on windscr een w
een washer
asher 0uid
0uid
Obser vethe no tes on operating 0uids
(/ page 271). &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concentrate spills out next tothe /ller
opening. *
N
NOOTE
TE Damage totheex terior lighting due
to unsuitable windscreen washer 0uid Unsuitable windscreen
washer 0uids may dam-
age the plastic sur face of theex terior lighting. #
Only use windscreen washer 0uids which
are also suitable for use on plastic sur fa-
ces, e.g. MB SummerFit or MB WinterFit. *
N
NOOTE
TE Bloc ked spr aynozzles caused by
mixing windscreen washer 0uids #
Do not mix MB SummerFit and MB Win-
te rFit with other windscreen washer 0u-
ids. Do not use distilled or de-ionised
water. Otherwise,
th e /ll le vel sensor may give a false reading. Te
ch nical data
277
277
Page 283 of 337
When driving in mountainous areas, no
tethat the
engine po wer output, and with it thegr adient
climbing capability of theve hicle, decrease with
increasing ele vation.
The following values apply for a minimum start-o.
gr adeability of 12%.
Maximum per
Maximum per missiblegr
missible gross combination w
oss combination w eight,
eight,
tr
tr ailer loads and t
ailer loads and t ongue w
ongue weight
eight
Pe rm issible gross
mass of vehicle combi-
nation 4800 kg
to5700 kg
Pe rm issible towing
capacity, braked 2000 kg
to2500 kg
Pe rm issible towing
capacity, unbraked 750 kg
Pe rm issible tongue
we ight 100 kgLashing points and carr
Lashing points and carr
ier sy
ier syst
stems
ems Loading capacity of t
Loading capacity of t
he lashing points and tie-
he lashing points and tie-
do
do wn ey
wn eyes
es Obser
vethe no tes on securing loads
(/ page 216).
Nominal tensile load is the maximum permissible
pulling forc e on the lashing point.
Guide r
Guide r ails
ails
The nominal tensile load of the lashing points of a
guide rail is 350 daN if you obser vethefo llowing:
R the load on the load compartment 0oor is
secured totwo lashing points on thera il
R the distance tothe nearest load-securing point
on the same rail is appr oximately 1 m Inf
Inf
or
ormation about r
mation about r oof lugg
oof luggag
age r
e r acks
ac ks Obser
vethe no tes on the car rier systems
(/ page 221).
* N
NO OTE
TE Damage due toexceeding the maxi-
mum permissible roof load If
th ewe ight of thero of luggage, including the
ro of luggage rack ,ex ceeds the maximum per-
missible roof load, this can cause damage to
th eve hicle. #
Do not exceed the maximum permissible
ro of load. #
Arrange the supporting feet ofthero of
luggage rack at an even distance from
each other. #
Installth e basic car rier bars forra il in
front of and behind the mid-section sup-
port. Maximum r
Maximum r
oof load / pair
oof load / pair s of r
s of roof r
oof rac
ack suppor
k suppor ts
ts Maximum r
Maximum r
oof load
oof load Minimum number of
Minimum number of
pair
pair s of suppor
s of suppor ts
ts
150 kg 3 This information applies if
the load is distributed
ev enly across the entire roof area.
If th ero of luggage rack is shor ter,re duce the load
proportionatel y.The maximum permitted load per
pair of roof rack supports is 50 kg. The maximum
permitted load of basic car rier bars forra il is
100 kg.
The driving, braking and steering characteristics of
th eve hicle will change with the type of load, the
we ight and the centre of grav ity of the load. Com-
ply with the loading guidelines and fur ther informa-
tion about load distribution (/ page 215).280 280
Te
ch nical data
Page 298 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive in a manner appropriate forth e cur rent le vel, but do not
ex ceed 80 km/h. #
Consult a quali/ed specialist workshop. Engine
Engine
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
# See Owner's Manual *A
warning tone also sounds.
The bat tery is no longer being charge dfo r one of thefo llowing rea-
sons:
R defecti vealternator
R torn pol y-V belt
R malfunction in the electronics #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o..
Do not continue driving. If you do, the engine may overheat. #
Secure theve hicle against rolling away. #
Consult a quali/ed specialist workshop.
! Clean the fuel filter *T
here is water in the fuel /lter. The water must be drained o.. #
Consult a quali/ed specialist workshop.
? Coolant Stop vehicle
Switch engine off *A
warning tone also sounds. The coolant is too hot. &
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. &
W
WARNING
ARNING 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. #
When opening the cap, wear pr otective glo ves and saf ety
glasses. #
Open the cap slo wlytorelease pressure. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions and switch it o.. Display messages and
warning and indicator lamps
295
295
Page 299 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Monitor the coolant temp erature display ?onthe inst rument
cluster. #
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 quali/ed spe-
cialist workshop. In doing so, ensu rethat the coolant temp erature
display remains below 120°C.
? *T
hefan mo tor is defective. #
Check the coolant temp erature display ?onthe inst rument
cluster.
If th e coolant temp erature is below 120°C, you can continue driving
to the nearest quali/ed specialist workshop.
Av oid high engine loads, e.g. driving on hilly roads or stop-and-go driv-
ing.
+ Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N NO OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Top up with coolant, following the no tes on coolant
(/ page 228).
If yo u frequently need to top up the coolant: #
Have the engine cooling system checked at a quali/ed specialist
wo rkshop.
¸
Replace air cleaner *T
he engine air /lter is dirty and must be replaced. #
Consult a quali/ed specialist workshop.
4 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.
* N NOOTE
TE Engine damage caused bydriving with insu1cient
engine oil #
Avoid long journe yswith insu1cient engine oil. #
Check the oil le vel when next refuelling, at the latest
(/ page 226). #
If necessar y,top up the engine oil (/ page 227).
If engine oil frequently needs tobe topped up: #
Have the engine checked at a quali/ed specialist workshop. 296
296
Display messages and
warning and indicator lamps
Page 300 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
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
y messag
y messag es P
es P ossible causes/conseq
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
Page 301 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
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
Page 303 of 337
K
K
e
ey
y Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
 Key does not belong to
vehicle *Y
ou ha veinser ted an incor rect key in tothe ignition loc k. #
Use the cor rect key.
 Remove key *T
hekey is in the ignition loc k. #
Remo vethekey.
Â
Replace key *T
hekey needs tobe replaced. #
Consult a quali/ed specialist workshop.
 Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 52). V V
ehicle
ehicle Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Clutch overheated Avoid
pulling away Engage/
disengage clutch quickly
if req. *A
warning tone also sounds. The clutch is under heavy load and the
permissible operating temp erature of the clutch has been exceeded.
Av oid frequent pulling away and driving at walking pace overex tended
distances. #
Stop in accordance with the tra1c conditions. #
Secure theve hicle against rolling away. #
Leavethe engine running.
The clutch will cool more quickly when the engine is running.
or #
If possible, continue driving at a steady speed. #
Remo ve yo urfoot from the clutch pedal and do not let the clutch
slip.
The clutch may also cool down during driving.
Cooling down can take afew minutes. When the clutch has cooled
down, the display message will disappear and the clutch will be fully
operational again.
Ò *T
hetailgate is open. #
Close theta ilgate. 300 300
Display message
s andwarning and indicator lamps
Page 304 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
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
Page 305 of 337
Displa
Displa
y messag
y messag es P
es P ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Tocontinue your journe y,shiT the transmission toposition kor
h.
Risk of vehicle rolling
Vehicle not in P *A
warning tone also sounds. The driver's door is open and the trans-
mission is in position i,korh. #
ShiT the transmission toposition j. #
Secure theve hicle against rolling away.
Without changing gear,
consult workshop *A
warning tone also sounds. You can no longer change the transmis-
sion position due toa malfunction.
If transmission position hhas been selected: #
Without changing the transmission position, consult a quali/ed
specialist workshop.
If transmission position j,kori has been selected: #
Inform a quali/ed specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Transmission position kcann ot
be selected. #
Inform a quali/ed specialist workshop.
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
switches toneutral i. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. #
ShiT the transmission toposition j. #
Inform a quali/ed specialist workshop.
Stop vehicle Leave
engine running Wait
Transmission cooling *T
he transmission is overheating. Pulling away may be temp orarily
impaired or not possible. #
Stop theve hicle immediately in accordance with the tra1c condi-
tions. Do not continue driving! #
Leavethe engine running. #
Wait until the display message disappears before pulling away.
&
inoperative Battery low *T
he on-board elect rical system voltage is too lo w.The hot-water auxili-
ary hea ter (stationary heater) has switched itself o. or cannot be
switched on. #
Drive for an extended distance.
The bat tery will be charge d. The hot-water auxiliary heater (sta-
tionary heater) will be operational again as soon as the on-board
electrical system voltage is su1cient.
& inoperative Refuel vehi-
cle *T
here is too little fuel in the fuel tank. The hot-water auxilia ryheater
(stationary heater) cann otbe switched on. #
Refuel theve hicle. 302 302
Display messages and
warning and indicator lamps