check engine MERCEDES-BENZ V-CLASS MPV 2021 Owner's Manual

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

Display messages
Possible causes/consequences and 0050 0050Solutions
Cooling down can take afe w 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.
Ó *A
warning tone also sounds. The bonnet is open. &
WARNING Risk of accident due todriving with the bonn et
unlo cked
The bonn etmay open and block your vie w. #
Neverre lease the bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately in accordance with the traf fic con‐
ditions. #
Secu retheve hicle against rolling away. #
Close the bonn et.
0051 *I
n addition, a warning tone sounds du ring the trip.
The display sho ws the open door or doors. #
Close all the doors.
00B2
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped
below the minimum. #
Top up thewa sher fluid (/ page 226).
00CC Power steering malfunc-
tion See Owner's Manual *A
warning tone also sounds. The po wer assi stance forth esteering
could be malfunctioning. You may need tosteer more forc efully. #
Carefully continue toaqu alified specialist workshop and ha ve
th esteering checked immediatel y.
Telephone No service *Y
our vehicle is outside the transmission and receiver range of the
mobile phone network pr ovider.
To start engine, shift to
either P or N *
Yo u ha veattem pted tostart the engine in transmission position 005E
or 005B. #
Shift the transmission toposition 005Dor005C.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being
ch arge d. #
Consult a qualified specialist workshop.
Apply brake to deselect
Park (P) position *
Yo u ha vetried toshift the transmission toposition 005B,005Eor005C
without applying the brake. #
Depress the brake pedal. Display messages and
warning and indicator lamps 299

Display messages
Possible causes/consequences and 0050 0050Solutions
0049
AUTO lights inoperative *T
he light sensor is faulty. The automatic driving lights are malfunc‐
tioning. #
Swit chthe light functions on/off manually (/page105). #
Consul t aqualified specialist workshop.
Intell. Light System inop-
erative *T
he Intelligent Light Sy stem is malfunctioning. The lighting sy stem
re mains available without the Intelligent Light Sy stem functions. #
Consult a qualified specialist workshop.
0049
Malfunction See Own-
er's Manual *T
heexterior lighting is malfunctioning. #
Consult a qualified specialist workshop. Wa
rning and indicator lamps Indicator and
warning lamps on the instru‐
ment clus ter Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and warn‐
ing lamps may briefly light up or flash. This
behaviour is non-c ritical. These indica tor and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star ted
or during a journe y. Saf
ety sy stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0075
Re stra int sy stem warning
lamp *The
redwa rning lamp forth ere stra int sy stem is on while the engine
is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of injury duetomalfunctions in there stra int
sy stem
Components in there stra int sy stem may be activated unintention‐
ally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately
at a qualified specialist workshop. #
Pay attention tothe display messages. #
Drive on carefull y. #
Have there stra int sy stem and its components checkedby aqu ali‐
fi ed specialist workshop immediately.
Fu rther information on there stra int sy stem and its components can
be found under "Occupant saf ety". 302
Display messages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
004D
Brake sy stem warning
lamp *T
he red brake sy stem warning lamp is on while the engine is running.
EBD is not available due toa malfunction. As a result, BAS, hill start
assist and ESP ®
as well as their driving saf ety sy stems are not availa‐
ble.
AT TENTION ASSIST has been deactivated and additional driving sys‐
te ms may ha vebeen switched off automatically. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are mal‐
functioning
The wheels may blo ckduring braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking dis tance may increase. In addition, other driving
saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified
specialist workshop. #
Switch off the engine, wait a while and restart the engine. #
Check whe ther the display message has disappeared and ESP ®
is
operational.
If th e display message continues tobe displa yed: #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
004D Brake sy stem warning
lamp *The
red brake sy stem warning lamp is on while the engine is running.
A wa rning tone also sounds.
The brake forc e boosting is malfunctioning. &
WARNING Risk of accident and injury if brake forc e boosting
is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal
fo rc e may be necessary for braking. The braking characteristics
may be impaired. The braking dis tance can increase in eme rgency
braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. #
Secure theve hicle against rolling away.
004D
Brake sy stem warning
lamp *T
he red brake sy stem warning lamp is on while the engine is running.
The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the brak‐
ing characteristics may be impaired. Display messages and
warning and indicator lamps 303

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Stop theve hicle as soon as possible, paying attention to
ro ad and traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Secure theve hicle against rolling away.
0025
ABS warning lamp *T
he yellow ABS warning lamp is on while the engine is running.
ABS has been switched off due toa malfunction. As a result, BAS, hill
st art assist and ESP ®
as well as their driving saf ety sy stems ha vealso
been swit ched off.
AT TENTION ASSIST has been deactivated and additional driving sys‐
te ms may ha vebeen switched off automaticall y. &
WARNING Risk of skidding if ABS and ESP ®
are malfunction‐
ing
The wheels may blo ckduring braking and ESP ®
does not per form
any vehicle stabilization.
The steerability and braking characteristics are heavily impaired
and the braking dis tance may increase. In addition, other driving
saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified spe‐
cialist workshop. #
Switch off the engine, wait a while and restart the engine. #
Check whe ther the display message has disappeared and ESP ®
is
operational.
If th e display message continues tobe displa yed: #
Drive on carefull y. #
Consult a qualified specialist workshop immediatel y.
If th e ABS cont rol unit is defective, other sy stems may be available
only with restrictions or may be una vailable, e.g. the navigation sys‐
te m or the automatic transmission.
00E5 ESP ®
wa rning lamp *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
ESP ®
or traction contro l intervenes because there is a risk of skidding
or at least one wheel is spinning.
Cruise contro l orActive Dis tance Assi stDISTRONIC has been au to‐
matical lyswitched off. #
When pulling away, accelerate only as much as is necessar y. #
Dep ress the accelerator pedal less during your journe y. #
Adapt your driving style to suit thero ad and weather conditions. #
Do not swit choff ESP ®
. 304
Display messages and warning and indicator lamps

Driving sy
stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00BA
Wa rning lamp for dis‐
ta nce warning function *The
red dis tance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e selected
speed. #
Incre asethe dis tance totheve hicle in front.
00BA Wa rning lamp for dis‐
ta nce warning function *The
red dis tance warning lamp lights up while theve hicle is in motion.
A wa rning tone also sounds.
Yo u are approaching a vehicle or a stationary obs tacle on your antici‐
pated route at excessive speed. #
Beready toapply the brakes immediatel y. #
Pay careful attention tothe tra ffic situation. If necessar y,apply
th e brakes or avoid an obs tacle.
Yo u can find fur ther information about the dis tance warning function
in "Active Brake Assist" (/ page156). Ve
hicle Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00CC
Po we rst eering sy stem
wa rning lamp *The
red po werst eering sy stem warning lamp is on while the engine is
ru nning. A warning tone also sounds.
The po wer assi stance forth esteering may be malfunctioning. Yo u
may need touse more forc eto steer. #
Carefully drive on toaqu alified specialist workshop and ha vethe
st eering checked immediatel y. Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00B9
Engine diagnostics warn‐
ing lamp *The
yellow engine diagnostics warning lamp is on while the engine is
ru nning.
The remay be a malfunction in thefo llowing vehicle sy stems:
R engine management
R injection
R exhaust sy stem
R ignition sy stem (in vehicles with a petrol engine)
R fuel sy stem
This can cause the emissions limit values tobe exc eeded and the
engine torun in eme rgency mode. #
Have theve hicle checked immediately at a qualified specialist
wo rkshop. Display messages and
warning and indicator lamps 307

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00B4
Fu elreser ve wa rning
lamp *The
yellow fuel reser ve wa rning lamp is on while the engine is run‐
ning.
The fuel supp lyhas dropped into there ser verange.
Ope ration of the auxiliary heating (s tationary hea ter) is deactivated in
th ere ser verange. #
Refuel theve hicle.
00AC
Coolant warning lamp *
The red coolant warning lamp is on while the engine is running and
th e coolant temp erature display is at thest art 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 too hot, the engine may be damaged. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. Do not continue driving! #
Secure theve hicle against rolling away. #
Consult a qualified specialist workshop.
00AC
Coolant warning lamp *T
he red coolant warning lamp is on while the engine is running.
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. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. #
Secure theve hicle against rolling away. #
Exit theve hicle and keep a safe dis tance from it until the engine
has cooled down. #
Check the coolant le vel and top up with coolant, complying with
th e instructions (/ page 225). #
Ifth e coolant has tobe topped up frequentl y,ha ve the engine
cooling sy stem checked at a qualified specialist workshop. #
Ensure that the air supply tothera diator is not impaired, e.g. by a
plastic bag that has been blown onto the grille. #
Monitor the coolant temp erature display on the instrument clus‐
te r. #
Do not restart the engine until the coolant temp erature is below
12 0°C. If you do, the engine may be damaged. #
Drive on tothe nearest qualified specialist workshop. Avoid high
engine loads, e.g. driving on hilly roads or stop-and-go driving.
00AC Coolant warning lamp *The
red coolant warning lamp is on while the engine is running. A
wa rning tone also sounds.
The coolant has exceeded thete mp erature of 120°C. The air supply
to thera diator may be impaired or the coolant le vel may be too lo w.
The engine has not been suf ficiently cooled and may be damaged. 308
Display messages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions &
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 situations
may occur:
R You could come into con tact with hotgases.
R You could come into con tact with other hot, escaping operat‐
ing 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. #
Pay attention tothe display messages. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. #
Secure theve hicle against rolling away. #
Exit theve hicle and keep a safe dis tance from it until the engine
has cooled down. #
Check the coolant le vel and top up with coolant, complying with
th e instructions (/ page 225). #
Ifth e coolant has tobe topped up frequentl y,ha ve the engine
cooling sy stem checked at a qualified specialist workshop. #
Ensure that the air supply tothera diator is not impaired, e.g. by a
plastic bag that has been blown onto the grille. #
Monitor the coolant temp erature display on the instrument clus‐
te r. #
Ifth e coolant temp erature is below 120°C, you can continue driv‐
ing tothe nearest qualified specialist workshop. #
Avoid high engine loads, e.g. driving on hilly roads or stop-and-go
driving. Ty
res Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0077
Ty re pressure monitoring
sy stem warning lamp *The
yellow tyre pressure monitoring sy stem warning lamp (pressure
loss/malfunction) is on.
The tyre pressure monitoring sy stem has de tected a loss of pressure
in at least one tyre. Display messages and
warning and indicator lamps 309

Coolant
Checking le vel.................................... 225
Filling capacities................................ .275
To pping up......................................... 225
Coolant (engine) Notes.................................................. 274
Copyright .................................................. 26
Cornering light ........................................ 107
Crosswind Assist Function/no tes.................................. 15 5
Cruise control Calling up a speed.............................. 15 9
Fu nction............................................. 15 8
Le ver.................................................. 15 9
Re quirements.................................... .159
Selecting........................................... .159
Setting the speed............................... 15 9
St oring a speed..................................1 59
Switching off...................................... 15 9
Switching on....................................... 15 9
Sy stem limits......................................1 58
Cup holder Switching the cooling/heating
function on/off...................................1 01
Cup holders Inserting in there ar passenger
compartment..................................... .101 D
Dashboa rdlighting
see Instrument lighting
Data collection (vehicle) ..........................24
Data pr otection rights
Data storage......................................... 26
Data storage
Data pr otection rights.......................... 26
Daytime running lights
Re placing light sources.......................1 12
Switching on/of f................................ 105
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility..............19
Jack..................................................... .21
Ra dio operating permit of transmit‐
te rke y.................................................. 21
Speci fic absor ption rate....................... 19
Wi reless vehicle components............... 19
Demi sting windscreen .......................... .124 Destination ent
ry
Entering a POI or address................... 202
Diagnostics connection ...........................21
Dial telephone number (on-board
computer)............................................... 188
Diesel Low outside temp eratures.................. 271
No tes.................................................. 271
Digital Owner's Manual ...........................15
Dipped beam Setting for abroad (symmetrical)........ 105
Switching on/of f................................ 105
Dipped beam see Automatic dipped beam
DIRECT SELECT le ver
Engaging drive position...................... 14 3
Engaging neutral................................. 14 3
Engaging pa rkposition automati‐
cally....................................................1 43
Engaging reve rsege ar....................... .143
Fu nction............................................. 14 2
Selecting pa rkposition.......................1 43
Tr ansmission position s.......................142
Dire ction indicator
see Indicator
Display (care) ........................................ .230
Display (MBUX multimedia sy stem)
Operating........................................... 19 5
Display (multimedia sy stem)
Home screen...................................... 19 5
Display (on-boa rdcompu ter)................ 182
Display message Calling up (on-board co mputer).......... 279
No tes.................................................2 79
Dist ance adjustment
see Active Dis tance Assi stDISTRONIC
Di stance control
see Active Dis tance Assi stDISTRONIC
Di stance warning function
see Active Brake Assi st
DISTRONIC see Active Dis tance Assi stDISTRONIC
Door Locking (emergency key element)........ 53
Un locking (emer gency key element)..... 53
Door cont rol panel................................... 14
Drive prog ram display ............................ 14 5 Index
315