
Display messages
Possible causes/consequences and 0050 0050Solutions
007A
0025
00E5
Inoperative See Opera-
tor's Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are mal‐
functioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock
when braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have the brake sy stem checked immediately at a qualified
specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediately.
00E5 Inoperative See Opera-
tor's Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning.
The brake sy stem continues working with the normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabili‐
zation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Continue driving carefully. #
Visit a qualified specialist workshop immediately.
00E5 Currently Unavailable
See Operator's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabili‐
zation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Carefully drive some gentle cur ves at abo ve19 mp h (30 km/h)
on a suitable stre tch of road. Display messages and
warning and indicator lamps 281

Display messages
Possible causes/consequences and 0050 0050Solutions #
Ifth e display message does not go out, visit a qualified special‐
ist workshop immediately. Drive carefully when doing so.
0025
00E5
Currently Unavailable
See Operator's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be tem‐
porarily una vailable. &
WARNING Risk of skidding if ABS and ESP ®
are malfunc‐
tioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have ABS and ESP ®
ch ecked immediately at a qualified
specialist workshop. #
Carefully drive some gentle cur ves at abo ve19 mp h (30 km/h)
on a suitable stre tch of road. #
Ifth e display message does not go out, visit a qualified special‐
ist workshop immediately. Drive carefully when doing so.
0025
00E5
Inoperative See Opera-
tor's Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning.
The brake sy stem continues working with the normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ABS and ESP ®
are malfunc‐
tioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency brak‐
ing situation can increase. In addition, other driving saf ety sys‐
te ms are switched off. #
Drive on careful ly. #
Have ABS and ESP ®
ch ecked immediately at a qualified
specialist workshop. #
Continue driving carefully. #
Visit a qualified specialist workshop immediately. 282
Display messages and warning and indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
Key Not Detected (red
display message) R
You cannot lock theve hicle centra lly. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toastro ngradio
signal source, proceed as follo ws: #
Stop theve hicle immediately, paying attention toroad and traf‐
fi c conditions. #
Place theke y in the slot forst arting with theke y (/ page104).
00AF Key No t Detected (white
display message) *T
hekey is cur rently not de tected. #
Change theke y's position in theve hicle. #
Ifth eke y is still not de tected, start the engine with theke y in
th e slot(/ page104).
00AF
Replace Key Ba ttery*T
hekey's bat tery isflat. #
Change the battery (/ page 42).
00AF
Obtain a New Key *T
hekey must be replaced. #
Visit a qualified specialist workshop. Ve
hicle Display messages
Possible causes/consequences and 0050 0050Solutions
00B2
Check Washer Fluid *W
asher fluid le vel in washer reser voir has fallen below the minimum. #
Top up washer fluid (/ page 208). *A
t least one door is open. #
Close all the doors. *T
he hood is open. &
WARNING Risk of accident if the engine hood is unlatched
while driving
An unloc ked engine hood may open up when theve hicle is in
motion and block your vie w. #
Never unlatch the engine hood while driving. #
Before every trip, ensure that the engine hood is latched. #
Stop in a safe location immediately. #
Close the hood. 292
Display messages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Drive carefully at an adjus ted speed and at a suf ficient dis tance
from theve hicle in front. #
Ifth e multifunction display sho wsa display message, comply with it. #
Visit a qualified specialist workshop.
004D
and
0027
Brake warning lamp (red)
(USA)
004D
Brake warning lamp (red)
(Canada) The brake sy
stem redwa rning lamp lights up while the engine is on.
Po ssible causes:
R The brake forc e boosting is malfunctioning.
R The EBD (electronic brakeforce distribution) is malfunctioning.
R There is not enough brake fluid in the brake fluid reser voir. &
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 brak‐
ing situations. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident if the EBD (electronic brake
fo rc e distribution) malfunctions
If th e EBD malfunctions, the wheels may lock during braking.
The braking characteristics may be impaired.
The braking dis tance can increase in eme rgency situations. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop. &
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 braking
ch aracteristics may be impaired. #
Pull over and stop theve hicle safely as soon as possible, pay‐
ing attention toroad and traf fic conditions. Do not continue
driving under any circums tances. #
Consult a qualified specialist workshop. #
Do not add brake fluid. #
Stop theve hicle immediately, paying attention toroad and traf fic
conditions. Do not continue driving. #
Consult a qualified specialist workshop.
0075
Re stra int sy stem warning
lamp The
restra int sy stem redwa rning lamp is on while the engine is on.
The restra int sy stem is malfunctioning. 300
Display messages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Comply with instructions toswitch ESP ®
off (/ page138).
0025 ABS warning lamp The ABS
yellow warning lamp lights up while the engine is on.
ABS is malfunctioning.
If an additional warning tone sounds, this means the EBD is malfunc‐
tioning.
Other driving sy stems and driving saf ety sy stems may also be malfunc‐
tioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunc‐
tioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely
impaired. The braking dis tance in an emergency braking situation
can 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. #
Continue driving carefully. #
Read the messages on the multifunction displa y. #
Visit a qualified specialist workshop. Seat belt
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0076
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone
sounds.
The driver or co-d rive r does not ha vetheir belt on during the trip
(speeds abo ve15 mp h (25 km/h)). #
Put on the seat belt (/ page31).
There are objects on the front-passenger seat. #
Remo vethe objects from the front-passenger seat.
0076
Seat belt warning lamp
lights up The seat belt
redwa rning lamp lights up once the engine has star ted.
A wa rning tone may also sound.
When theve hicle is stationary: The seat belt warning lamp reminds driv‐
ers and front-passenger toput on their seat belt. #
Putting on the seat belt (/ page31).
Objects on the front-passenger seat may pr eventthe seat belt warning
lamp from going out. 302
Display messages and warning and indicator lamps

1,
2, 3 ...
3-zone automatic climate control
(control panel) ....................................... .95
12 V so cket
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
360° Camera ........................................ 14 9
Care .................................................. 212
Fu nction ........................................... 14 9
Selecting a view ................................ 151
Switching au tomatic operation
on/off (rear view camera) ................. 151A
ABS (Anti-lock Braking Sy stem) .......... 137
Ac celeration
see Using kickdown
Ac oustic locking verification signal
Ac tivating/deactivating ...................... 42
Ac tive Brake Assi st.............................. 13 9
Fu nction/no tes ................................ 13 9
Setting .............................................. 141
Ac tive Di stance Assist DISTRO NIC..... 14 3
Calling up a speed ............................ 14 4
Fu nction ........................................... 14 3
Increasing/decreasing speed ........... 14 4
Re quirements .................................. .144
St eering wheel buttons ..................... 14 4
St oring a speed ................................ 14 4
Switching off/deacti vating ............... 14 4
Switching on/activating ................... 14 4
Sy stem limitations ............................1 43
Ac tive Lane Keeping Assist .................155
Fu nction ........................................... 15 5
Sy stem limitations ............................1 55
Tr ailer operation .............................. .155
Ac tive Parking Assist
Maneuvering assis tance ................... 151
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................. 81
Switching on/off ................................ 81
Ad d-on equipment .................................. 19
Ad d-on equipment guidelines ...............19
Ad ditional turn signal light (all-
wheel drive vehicles) ............................. 85 Ad
diti ve ................................................. 267
DEF .......................................... 127, 266
Engine oil .......................................... 267
Ad diti ves
Fu el .................................................. 264
Ad diti ves (DEF)
see DEF
Ad diti ves (engine oil)
see Additive
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
ADR (working speed control) Adjusting .......................................... 157
Fu nction ........................................... 15 6
Switching on/off .............................. 157
Af ter-sales service center
see ASS YST PLUS
Air bag Reduced pr otection ............................33
Air nozzles see Air vents
Air vents ............................................ 98, 99
adjusting (front) ..................................98
Ad justing (roof) .................................. 99
Re ar passenger compartment ............ 99
Airbag ...................................................... 32
Ac tivation ........................................... 29
Fr ont airbag (driver, front
passenger) ......................................... 32
Ins tallation locations .......................... 32
Overview ............................................ 32
Pr otection ...........................................32
Side airbag ......................................... 32
Wi ndow cur tain airbag ........................ 32
Alarm sy stem
see ATA (Anti -Theft Alarm sy stem)
Alertness assistant see ATTENTION ASSIST
All-wheel drive Engaging ...........................................1 18
Engaging/disen gaging ......................1 19
LO Wrange ........................................ 11 9
No tes ................................................ 11 8
Android Auto ......................................... 187
Connecting a mobile phone .............. 188
Ending .............................................. 188
No te ................................................. 188
Overview .......................................... 187306
Index

Sound settings .................................
188
Tr ans ferred vehicle data ...................1 88
Animals Pets in theve hicle .............................. 40
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft Alarm sy stem
see ATA (Anti -Theft Alarm sy stem)
Anti-theft pr otection
Immobilizer ........................................ 55
Anti- theft pr otection
see ATA (Anti -Theft Alarm sy stem)
Apple CarPlay™ .................................... 186
Connecting an iPhone ®
............ 186, 187
Ending .............................................. 187
No tes ................................................ 186
Overview .......................................... 186
Sound settings .................................. 187
Tr ans ferred vehicle data ...................1 88
Ashtr ays
In the windshield stowage com‐
partment ............................................ .74
ASR (accele ration skid control) ...........137
Assistance graphic (on-board com‐
puter) ..................................................... 16 6
ASS YST PLUS ........................................ 202
Battery disconnection pe riods ......... 202
Displaying the service due date .......2 02
Fu nction/no tes ................................ 202
Re gular maintenance work ............... 202
Special service requirements .......... .202
ATA (Anti-Theft Alarm sy stem) .............. 56
Ac tivating/deactivating the interior
motion sensor .................................... 57
Fu nction ............................................. 56
Interior motion sensor function .......... 57
St opping the alarm ............................. 56
Switching theto w- aw ay alarm
on/off ................................................ 57
To w- aw ay alarm function .................... 56
At tachments .......................................... .19
AT TENTION ASSI ST....................... 151, 15 2
Fu nction ............................................ 151
Setting .............................................. 15 2
Sy stem limitations ............................1 51
Au thorized workshop
see Qualified specialist workshop Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ........................79
Au tomatic transmission
DIRECT SELECT le ver ........................ 11 5
Engaging drive position ..................... 11 7
Engaging neutral ............................... 11 6
Engaging reve rsege ar ...................... .116
Kickdown .......................................... 11 8
Re stricting the shift range ................. 11 7
Selecting pa rkposition .....................1 16
Tr ansmission position display .......... .115
Tr ansmission positions ...................... 11 5
Au xiliary heating .................................... 99
Fu nction ............................................. 99
Axle load ................................................ 261 B
Back suppo rt
see Lumbar support (4-w ay)
BA S (Brake Assist Sy stem) .................. 137
Battery Charging ........................................... 219
Charging a vehicle battery ................2 19
Disconnecting the auxiliary battery
in the engine compartment .............. 224
Disconnecting thest ar ter battery .... 222
Jump -sta rting (vehicle) ...................... 219
Ke y .................................................... .42
No tes (vehicle) ..................................2 18
Re moving or ins talling thest ar ter
battery .............................................2 23
St arter battery .................................. 221
Battery main switch Notes ................................................ 11 4
Switching the po wer supp lyon/off ... 11 4
Belt see Seat belt
Blind Spot Assi st.................................. 15 2
Ac tivating/deactivating .................... 154
Fu nction ........................................... 15 2
Re ar Cross Traf fic Alert .................... 154
Sy stem limitations ............................1 52
Blue tooth ®
............................................ 180
Ac tivating/deactivating .................... 180
Information .......................................1 80
Bottle holder .......................................... .74
Brake ABS (Anti-lo ckBraking Sy stem) ........ 137
Ac tive Brake Assi st........................... 13 9
BA S (Brake Assi stSystem) ............... 137 Index
307

Changing bulbs
...................................... .83
High beam .......................................... 84
Indicator (front) .................................. 84
Interior lamps (rear compartment) ..... 88
License plate lamp ............................ .86
Light bulb types haloge n headlamps ..84
Low beam ........................................... 84
No tes .................................................83
Ta il lamp bulb types (Cargo Van
and Passenger Van) ............................ 85
Ta il lamp bulb types (chassis) ............ .87
Tu rn signal light (rear) (chassis) ..........87
Changing lamps see Changing bulbs
Changing owner ...................................... 21
Cha racteristics of the tire .................. .245
Charging Battery .............................................. 219
Mobile phone (wireless) ..................... 77
Child saf ety lock (doors) ........................ 39
Child seat front-passenger seat (no tes) .............. 38
front-passenger seat (rear ward-
fa cing/for ward-facing) ....................... 38
LA TC H-type (ISOFIX) (ins talling) ........ .36
LA TC H-type (ISOFIX) (no tes) ............... 36
No tes on the safe transpor tation of
ch ildren .............................................. 34
Re arwa rd-facing child restra int sys‐
te m (Information) .............................. .38
To pTe ther ...........................................37
Child ren
No tes on safe transpor tation .............. 34
Special seat belt retractor .................. 35
Ci ga rette lighter ..................................... 75
Cleaning see Care
Cleaning water drain valve of the air
intake box ............................................ .208
Climate control Activating/deactivating ...................... 95
Ad justing rear-compartment heat‐
ing ...................................................... 96
Air distribution settings ...................... 97
automatically controlling (rear
passenger compartment) .................. .97
Au xilia ryheating ................................. 99
Cargo compartment ventilation ........ 102
Clearing fogged up windo ws............... 97
Control panel for 3-zone auto matic
clima tecontrol ................................... 95 Control panel
for dual-zone auto‐
matic clima tecontrol .......................... 94
Controlling automatically .................... 96
Hot- wate r auxilia ryheater ................1 00
Re frigerant ........................................ 271
Setting the air distribution .................. 97
Switching ai r-re circulation mode
on/off ................................................ 98
Switching synchronization function
on/off (control panel) ......................... 97
Switching the A/C function on/off ....96
Switching there ar wind ow
defros ter on/off ................................. 98
Switching the windshield heater
on/off ................................................ 98
Ve ntilating theve hicle (con veni‐
ence opening) ..................................... 54
Ve ntilation nozzles at front ................. 98
Ve ntilation nozzles in thero of ............ 99
Ve ntilation nozzles, rear passenger
compartment .................................... .99
Cockpit (o verview) .................................. .6
Combination switch see High beam
see High-beam flasher
see Indicator
Compu ter
see On-board computer
Contacts ................................................ 185
Calling up ........................................ .185
Deleting ............................................ 185
Downloading (from mobile phone) .... 185
Information .......................................1 85
Making a call ................................... .185
Na me form at .................................... 185
Con venience closing .............................. 54
Con venience opening ............................. 54
Con versions ............................................ 19
Coolant Filling capacities .............................. .270
Coolant (engine) Che cking le vel .................................. 206
No tes ............................................... 269
Copyright License ............................................... 27
Tr ademar ks......................................... 27
Cornering light ...................................... .80
Crosswind Assist Function/no tes ................................ 13 8
Cruise control ...................................... .141
Ac tivating ......................................... 14 2 Index
309