sensor MERCEDES-BENZ V-CLASS MPV 2021 Owner's Guide

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
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

All-wheel drive
see 4MATIC
Ambient lighting Setting (MBUX multimedia sy stem)..... 111
Android Auto
see Smartphone integration
Animals Pets in theve hicle................................ 48
Anti-lock braking sy stem
see ABS (anti-lo ckbraking sy stem)
Anti-skid chains
see Snow chains
Anti-theft ala rmsystem
see ATA (Anti -Theft Alarm sy stem)
Anti-theft pr otection
Immobilise r.......................................... 66
Anti-theft pr otection
see ATA (Anti -Theft Alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
Anticipatory occupant pr otection
sy stem
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
Apple CarPlay ®
see Smartphone integration
Aq uaplaning............................................ 13 9
Armrest Stow age compartment......................... 97
Asht ray
Re ar passenger compartment............ 102
Use (front centre console).................. 101
Assistance graphic (on-board com‐
puter)...................................................... .183
Assistance sy stems
see Driving saf ety sy stem
ASS YST
see ASS YST PLUS service inter val display
ASS YST PLUS se rvice inter val display
Displaying the service due dat e......... 220
Fu nction/no tes.................................. 220
Non-ope rational times wi th the
battery disconnec ted.......................... 221
Re gular maintenance work................. 220
Special service requ irements............ .220
ATA (Anti-Theft Alarm sy stem)
Fu nction............................................... 67
Interior motion sensor function............ 68 Priming and deactivating
the inte‐
ri or motion sensor................................ 68
Priming and deactivating tow- aw ay
pr otection............................................. 67
St opping the alarm............................... 67
To w- aw ay protection function............... 67
At tachments............................................ .17
AT TENTION ASSI ST
Fu nction............................................. 172
Switching on/of f................................ 172
Sy stem limitations.............................. 172
Au thorised workshop
see Qualified specialist workshop
Au tomatic co-driver airbag shu toff
Fu nction of co-d rive r airbag shutoff..... 33
Au tomatic dipped beam ........................105
Au tomatic distance adjustment
see Active Dis tance Assi stDISTRONIC
Au tomatic engine start (ECO start/
sto p function)........................................ .140
Au tomatic engine stop (ECO start/
sto p function)........................................ .140
Au tomatic front passen ger front air‐
bag shu toff
PA SSENGER AIR BAG indicator lamp... .34
Au tomatic measures af ter an acci‐
dent........................................................... 36
Au tomatic transmission
DIRECT SELECT le ver......................... 14 2
Drive prog ram displa y......................... 14 5
Drive prog rams................................... 14 4
DY NA MIC SELECT switch................... 14 4
Engage pa rkposition.......................... 14 3
Engaging drive position...................... 14 3
Engaging neutral................................. 14 3
Engaging reve rsege ar....................... .143
Kickdown............................................ 14 5
Manual shifting................................... 14 5
Re stricting the shift rang e.................. 14 3
Selecting the drive prog ram............... 14 5
St eering wheel gearshift paddles.......1 45
Tr ansmission position displa y............. 14 2
Tr ansmission positions....................... 14 2
Au xiliary heating
No tes.................................................. 12 6
Au xiliary warm-air heater
Fu nction............................................. 13 0
Operating the switch clock................. 131
Overvie w,timer.................................. 13 0
Problems............................................ 13 4
Setting the switch-on time.................. 131312
Index

Drive prog
rams
see DYNA MIC SELECT
Driving characteristics (unusual)........ .249
Driving instructions Running-in no tes................................ 13 6
Driving no tes
Brake subject toload.......................... 13 8
Braking............................................... 13 8
Downhill gradient............................... 13 8
Gene ral driving tips............................ 137
New brake discs and brake pads/
linings................................................. 13 8
Pa rking brake.................................... .138
Re stricted braking ef fect (salt-trea‐
te dro ads).......................................... .138
Tr ansport byrail................................. 13 8
We tro ad sur faces.............................. 13 8
Driving saf ety sy stem
ABS (anti-lo ckbraking sy stem)........... 154
Ad aptive brake lights......................... .158
BA S (Brake Assi stSystem)................. 154
Cameras............................................. 15 3
EBD (Electronic Brakeforce Distri‐
bution)................................................ 15 6
ESP ®
Crosswind Assi st....................... 15 5
ESP ®
trailer stabilisation.................... 15 5
Overview............................................ 15 3
Ra dar and ultrasonic sensor s............. 15 3
Re sponsibility.....................................1 53
Driving saf ety sy stem
see Active Brake Assi st
see ESP ®
(Electronic Stability Prog ram)
Driving sy stem
see Active Dis tance Assi stDISTRONIC
see Active Parking Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Lane Keeping Assist
see Limiter
see PARKTRONIC
see Reversing camera
see Traf fic Sign Assi st
Driving tips Aquaplaning...................................... .139
Driving abroad (information)............... 13 8
Driving ab road (symm etrical
dipped beam)..................................... 105
Driving on flooded roads.................... 13 9
Driving on wetro ads.......................... 13 9Mountainous
terrain.......................... .139
Dr ow siness de tection
see ATTENTION ASSIST
DSR (Downhill Speed Regulation)
Ac tivating/deactivating...................... 161
No tes.................................................. 16 0
DY NA MIC SELECT
Drive program displa y......................... 14 5
Drive prog rams................................... 14 4
Fu nction............................................. 14 4
Operating...........................................1 45
Selecting the drive prog ram............... 14 5 E
E10 .......................................................... 270
EAS Y-ENT RYeasy entry and exitfea‐
ture
Folding the EASY -ENTRY section
fo rw ards and back (rear ben chseat).... 78
Using (luxury rear seat )........................ 85
Using (rear bench seat)........................ 78
Using (rear seat)................................... 81
EAS Y-PA CK tailgate
No tes................................................... 58
Opening and closing............................. 59
EBD (Electronic Brakeforce Distribu‐
tion).........................................................1 56
ECO display Activating............................................ 141
Fu nction............................................. 14 0
ECO start/s top function
Au tomatic engine start...................... .140
Au tomatic engine stop....................... 14 0
Operation...........................................1 40
Switching on/of f................................ 14 0
Electric pa rking brake
Applying automaticall y........................ 151
App lying or releasing manuall y........... 15 2
Emergency braking............................. 15 2
No tes.................................................. 151
Re leasing automaticall y...................... 151
Electric sliding door Function............................................... 54
Opening with button............................. 55
Opening/closing from the outside....... 57
Opening/closing with the door
handle.................................................. 57
Opening/closing with theke y........ 56, 57
Problems..............................................57
Programming theke y.......................... .56
Programming theke y but ton................ 57
Re setting..............................................57 316
Index

Electromagnetic compatibility (dec‐
laration of conformity).............................
19
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................. .267
Emer gency
Fire extinguisher................................ 232
Fir st-aid kit (so ft-sided)...................... 232
Re moving thewa rning triangle.......... .232
Saf etyve st......................................... 232
Setting up thewa rning triangle..........2 32
Emer gency braking
Elect ric pa rking brake......................... 15 2
Emer gency engine start........................ 24 6
Emer gency key element
Locking door........................................ 53
Re moving/inserting............................. 50
Un locking door.................................... .53
Engaging drive position (au tomatic
transmission).......................................... 14 3
Engaging neut ral (automatic trans‐
mission) .................................................. 14 3
Engaging reve rsege ar........................... 14 3
Engine ECO start/ stop function..................... 14 0
Engine number................................... 268
Pa rking............................................... 15 0
St arting (k ey)...................................... 13 6
St arting assis tance............................. 237
Engine electronics (not es...................... 267
Engine number ...................................... .268
Engine oil Additive.............................................. 273
Checking the oil le vel using the on-
board computer......................... 222, 223
Checking the oil le vel with a dip‐
st ick................................................... 223
Filling capacity.................................... 274
To pping up..........................................2 24
Engine output Notes on changes................................ .22
Engine pre-heating see Auxilia ryheating
Environmental pr otection
No tes....................................................16
Ta ke -ba ckof end-of-life vehicles...........16
ERA-GLONASS test mode
St arting/ending................................ .235 ESC (Electronic
Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assis t................................ 15 5
Tr ailer stabilisation............................ .155
ESP ®
(Electronic Stability Prog ram)
Ac tivating/deactivating (on-board
computer)........................................... 15 5
Fu nction/no tes.................................. 154
Switching on/off (button)................... 15 5
Exterior lighting Care................................................... 229
Exterior lighting see Lights F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Display message
Fi lling up the windscreen washing
sy stem................................................... .226
Fi re extinguisher.................................... 232
Firs t-aid kit (soft-sided) ......................... 232
Flat tyre Changing a whee l............................... 259
No tes................................................. 235
Fo g light (extended range) .................... 108
Fo il co vering
Ra dar and ultrasonic sensor s............. 15 3
Fo lding table
Ins talling and removing........................ 98
Moving................................................. 98
Using.................................................. 100
Fore ign trip
Symm etrical dipped bea m.................. 105
Fr ee software........................................... 26
Fr equencies
Mobile phon e.................................... .267
Tw o-w ayradio.....................................2 67
Fr ont airbag (driver, co-d rive r)................ 31
Fr ont door
Opening (from inside)........................... 51
Unlocking (from inside)......................... 51
Fr ont seats
Rot ate.................................................. .74
Fr ont wheel ar ch
Fitting/removing the co ver................. 11 2 Index
317

Interior lighting
Ambient lighting.................................. 111
Setting................................................ 111
Switch-off del aytime.......................... 111
Interior motion sensor Function............................................... 68
Switching on and of f............................ 68
iPad ®
atta chment.................................. .104
iPhone ®
see Smartphone integration
ISOFIX child seat anchor
Fitting.................................................. .42
Seats suitable for attaching.................. 41J
Jack Declaration of conformity..................... 21
St orage location................................. 247
St ow age compartment in there ar...... 247
Journe ysabroad
No tes.................................................. 13 8
Jump-start connection point................. 237 K
Key Acoustic locking verification signal...... 49
Battery................................................. 50
Co nvenience opening......................... 12 5
Emergency key element...................... .50
Fu nctions............................................. 49
Ke yring attachment............................. 50
Overview.............................................. 49
Problem................................................ 51
Programming the button forthe
electric sliding door.............................. 57
St art theve hicle................................. 13 6
Un locking setting................................ .50
Ke y positions..........................................1 36L
Lane Keeping Assist
Ac tivating/deactivating...................... 175
Fu nction.............................................. 174
Sensitivity........................................... 175
Language Notes.................................................. 19 9
Setting............................................... 200
Lashing points Information......................................... 278
Overview.............................................2 15Le
vel control
see AIRMATIC
Light switch (o verview) ........................ .105
Lighting Adjusting the instrument lighting....... 183
Intellige nt Light Sy stem...................... 107
Lighting see Lights
Lights Active headla mps.............................. .107
Ad aptive Highbeam Assist..................1 08
Ad aptive Highbeam Assist Plus.......... 109
Au tomatic dipped beam..................... 105
Combination swit ch............................ 106
Corne ring light.................................... 107
Dipped beam...................................... 105
Driving ab road (symm etrical
dipped beam)..................................... 105
Fo g light (extended range).................. 108
Haza rdwa rning light.......................... .107
Headla mpflasher.............................. .106
High beam.......................................... 106
Indicator............................................. 106
Light switc h........................................ 105
Mo torw ay mode................................. 108
Pa rking light...................................... .105
Ra nge................................................. 106
Re ar fog light...................................... 106
Re sponsibility with lighting sy stems... 105
Setting theex terior lighting switch-
off delay time...................................... 11 0
St anding light.................................... .105
Switching the Intelligent Light Sys‐
te m on/of f......................................... 108
Switching the sur round lighting
on/off................................................ .110
Limiter Calling up a speed.............................. 15 9
Fu nction............................................. 15 8
Kickdown............................................ 15 8
Le ver.................................................. 15 9
Pa ssive...............................................1 58
Pe rm anent setting.............................. 16 0
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
Limiting the opening angle (tailgate) .....60
LINGU ATRO NIC
Ope rable functions.............................1 96 Index
319

Seat
Adjusting (manually). ............................ 69
Seat belt Activating/deactivating seat belt
adjustment........................................... 30
Ad justing the height............................. 30
Care................................................... 230
Fa stening.............................................30
Pr otection impaired.............................. 29
Pr otection pr ovided............................. .28
Re leasing.............................................. 30
Seat belt adjustment (function)............ 30
Wa rning lamps.................................... .30
Seat belt adjustment Activating/deactivating........................ 30
Fu nction............................................... 30
Seat belt tensioners
Ac tivation............................................ .27
Seat co ver (care).................................... 230
Seat ventilation
Switching on/off .................................. 95
Seat/bunk combination Folding up the bed extension.............. .90
Ins talling and removing......................... 91
Ins talling and removing stowage
compartments..................................... .98
Ins talling/ removing bed extension....... 90
Moving................................................. 90
No tes................................................... 88
Setting up/folding away the ber th....... 90
Seats 4-waylumbar suppor t.......................... 73
Ad justing (electrically).......................... 71
Ad justing armrests............................... 74
Ad justing the head restra ints
mechanically........................................ 92
Cor rect driver's seat position............... 69
Ins talling and removing rear ben ch
seat...................................................... 81
Operating the memory function........... 73
Ro tate (front seat)................................74
Setting options..................................... 14
Securing luggage.................................... 212
Selecting a gear
see Shifting
Selecto r lever
see DIRECT SELECT le ver
Self-test Automatic front passenger front
airbag shutoff....................................... 34
Sensors (care)........................................ 229 Service
see ASS YST PLUS service inter val display
Service (on-boa rdcompu ter)................ 183
Service Centre see Qualified specialist workshop
Service products Refrigerant (air conditioning).............. 275
Setting a speed limit see Limiter
Setting the airflow................................ .123
Setting the map scale
see Map
Setting the speed
see Cruise control
Setting thetemp erature ........................ 124
Settings (on-board computer)............... 189
Shift paddles see Steering wheel gearshift paddles
Shifting Gearshift recommendation (man‐
ual shi fting, automatic transmis‐
sion).................................................. .145
Gea rshift recommendation (man‐
ual transmission)................................ 141
Short-distance trips............................... 13 8
Showing thera nge................................. 184
Side airbag................................................31
Side window Closing using theke y........................... 63
Co nvenience closing............................ 63
Con venience opening........................... 62
Opening wi th theke y............................ 62
Problems.............................................. 63
Side wind ows
Ad justing.............................................. 63
Closing................................................. 61
Closing (all).......................................... .61
Opening................................................ 61
Opening (all). ........................................ 61
Sliding door B-pillar door sill (button)....................... 55
Centre console (button)....................... 55
Child saf ety loc k................................... 47
Closing (from the inside)......................54
Closing (from the outside).................... 54
Opening (from the inside).....................54
Opening (from the outside)..................54
Sliding sunroof see Panorama sliding sunroof 324
Index