
th
em. The vehicle in front is illuminated bythe
dipped beam.
At speeds abo ve30 km/h:
R If no other road users are de tected, the main
beam is automatically switched on.
R Ifot her road users are de tected, the partial
main beam is automatically switched on.
At speeds below 25 km/h or when there is suf fi‐
cient stre et lighting:
R The partial main beam switches off automati‐
call y.
R The main beam switches off automatically.
At speeds abo veappr ox. 50 km/h:
R The headlamp range of the dipped beam is
re gulated automatically based on the dis‐
ta nce to ot herroad users.
The sy stem's optical sensor is located behind
th e windscreen near theove rhead control panel. Switching
Adaptive Highbeam Assist Plus
on/off #
Toswitch on: turnthe light switch tothe
à position. #
Switch on the main beam using the combina‐
tion switch.
When the main beam is switched on auto‐
matically in the dar k,the _ indicator
lamp on the multifunction display comes on. #
Toswitch off: switch offthe main beam
using the combination switch. Setting
the dipped beam Multimedia sy
stem:
, Vehicle .
Lights .
Dipped-beam head-
lamp conversion #
Select Set for right-side traffic orSet for left-
side traffic. Setting
theex terior lighting switch-off delay
time Re
quirement:
R The light switch is in theà position.
Multimedia sy stem:
, Vehicle .
Lights .
Exterior lighting
delayed shut-off
If yo u swit chon this function, theex terior light‐
ing is switched on for a short time af terth eve hi‐
cle is switched off. #
Set a switch-off delay time. Switching
the locator lighting on/off Multimedia sy
stem:
, Vehicle .
Lights .
Locator illumina-
tion
The exterior lighting remains lit for 40 seconds
af te rth eve hicle is unloc ked. When youstart the
ve hicle, the locator lighting is switched off and
automatic driving lights are activated. #
Switch the function on or off. Light and sight
13 5

Changing bulbs (only
forve hicles with halo‐
ge n headla mps) Note
s onchanging bulbs &
WARNING Risk of bu rns from hot com‐
ponent parts whilst replacing a bulb
Bulbs, lamps and plugs can become very hot
during operation.
When replacing a bulb, you could burn your‐
self on these component parts. #
Allow the component parts tocool
down before replacing the bulb. R
Do not use a bulb if it has been dropped or if
itsglass has been sc ratched. The bulb may
ot herwise explode.
R Do not touch theglass bulb with your bare
hands.
R Protect bulbs from moisture and do not allow
bulbs tocome into contact wi thliquids. Overview of bulb types
The
following bulbs can be replaced. Halogen headlamps
1 Turn signal light: PY 21 W
2 Main beam: H7 55 W
3 Dipped beam: H7 55 W Ta
il lamps
1 Turn signal light: PY 21 W
2 Reversing light: W 16 W Light and sight
137

Make sure of
thefo llowing before starting a jour‐
ney:
R the tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R the lighting of the connected trailer is opera‐
tional
R Vehicles without LED headlamps or MUL‐
TIBEAM LED headlamps: The headlamps
ha ve been set cor rectl y.
In theeve nt of increased rear axle load, the car/
trailer combination may not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is ab ove100 km/h. Extending/
retracting the ball ne ckfully elec‐
trically &
WARNING Risk of accident due tothe
ball neck not being engaged
If th e ball neck is not engaged, the trailer
may come loose. #
Make sure that the ball neck securely
engages and loc ksinto place. *
NO
TEDama getothe full y-electric trailer
hitch The fully-elect
ric trailer hitch could be
mechanically damaged byapplying additional
pressure when the ball neck is being exten‐
ded or retracted. #
Do not ma kethe ball neck extend/
re tract faster by applying additional
pressure. Re
quirements:
Make sure of thefo llowing before extending/
re tracting the ball neck fully electrically:
R Shift the transmission toposition jori.
R The range of mo vement is clear.
R Only when retracting: remo vethe trailer
cables or adap ter plugs. Extending/r
etra cting the ball neck fully elec‐
trically #
Pull swit ch2.
Indicator lamp 1flashes and theTrailer
coupling extending… display message
appears on the multifunction displa y.
The ball neck extends fully electrically. Driving and pa
rking 245

Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary .
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Switch on headlamps *Y
ou are driving without dipped-beam headlamps. #
Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. #
Consult a qualified specialist workshop. 436
Display messages and warning/indicator lamps

Ad
aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist
Ac tivating/deactivating ...................... .133
Fu nction .............................................. 13 2
Ad aptive Highbeam Assist Plus
Ac tivating/deactivating ...................... .135
Fu nction .............................................. 13 4
Ad Blue ®
.................................................... 372
Ad ditives .............................................. 372
Filling capacity ..................................... 373
No tes ................................................... 17 9
Purity ................................................... 372
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 71
Ad diti ves.................................................. 373
Ad Blue ®
............................................... 372
Engine oil ............................................. 373
Fu elling ................................................ 371
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives Ad
diti ves (fuel)
see Fuelling
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 305
Ad justing the headlamp range ............... 12 8
Ad justing the sound optimisation
Burmes ter®
sur round sound sy stem ... 305
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .132
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .213
Setting ................................................. 215
Suspension .......................................... 213
Air conditioning sy stem
see Climate control
Air distribution ........................................ .147
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL Air
vents ................................................... 157
Ad justing (front) ................................... 157
Ad justing (rear) .................................... 15 8
Glo vebox .............................................1 58
Air vents
see Air vents
Ai r-re circulation mode ............................ 15 0
Airbag ........................................................ .38
Ac tivation .............................................. 32
Belt airbag ............................................ .36
Fr ont airbag (driver, front passenger) ....38
Ins tallation locations ............................ .38
Knee airbag ........................................... 38
Overview ............................................... 38
Pr otection ..............................................39
Re duced pr otection ...............................40
Side impact airbag ................................ 38
Wi ndowbag ............................................ 38
Ai rflow ...................................................... 147
AIRPANEL (Care) ...................................... 317
Alarm see Panic alarm Index
457

Overview ............................................. 295
Controller Operating ............................................ 266
Con venience closing ................................. 85
Con venience opening ................................ 84
Coolant (engine) Levelch eck .......................................... 312
No tes ................................................... 375
Cooling see Climate control
Copyright .................................................. .30
Cornering light ........................................ .131
Co ver........................................................... 81
Cross Traf fic Alert .................................. .237
Crosswind Assist Function/no tes ................................... 19 5
Cruise control Activating ............................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Le ver ................................................... 203
Re quirements ...................................... 203 Selecting ............................................
.203
Setting a speed ................................... 203
St oring a speed ................................... 203
Cruise control: ......................................... 201
Fu nction .............................................. 201
Sy stem limitations ...............................2 01
Cup holder Rear .................................................... .120
Cup holder in the centre console
In stalling/removing .............................. 11 9
ins talling/ removing (auto matic
transmission) ....................................... 11 8 D
Damage de tection (pa rked vehicle) .......189
Dashboard see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 28
Data import/export Importing/exporting ............................2 75PIN pr
otection for data export .............2 76
Deactivating the ala rm(ATA ).................... 92
Declaration of conformity Electromagn etic compatibility .............. .24
Jack ...................................................... .24
TIREFIT kit ............................................. 25
Wi reless vehicle components ................24
Designs Menu (on-board co mputer) .................. 262
Diagnostics connection ............................ 26
Diesel Low outside temp eratures ...................3 71
No tes ................................................... 371
Digital Car Keyst icker
Locking theve hicle ................................ 72
St arting theve hicle .............................. 161
Un locking theve hicle ............................72
Digital Owner's Manual ............................ 20
Digital speedome ter ................................ 257
Dipped beam Activating/deactivating ...................... .127
Changing bulbs .................................... 13 8
Setting ................................................. 13 5 Index
463

5
Engine oil le vel cannot be
measured ............................................ .414
4 Engine oil le velRe duce oil le vel.. 412
4 Engine oil le velSt op vehicle
Switch engine off ................................. 412
4 Engine oil pressure Stop
Switch off engine ................................. 413
6 Front left malfunction Consult
wo rkshop (e xample)............................ 396
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 97
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 98
! inoperative See Owner's Man‐
ual ....................................................... 382
÷ inoperative See Owner's Man‐
ual ....................................................... 385
T inoperative See Owner's Man‐
ual ....................................................... 386
G Inoperati ve................................. 392 b
Intelligent Light Sy stem inoper‐
ative ....................................................4 35
ÂKe y not de tected (red displ ay
messa ge).............................................4 22
 Key not de tected (white dis‐
pl ay messa ge).....................................4 22
bLeft dipped beam (e xamp le) ........ 435
6Left windowbag malfunction
Consult workshop (e xample).............. .396
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 430
Limiter inoperative .............................. 406
Limiter passive .................................... 405
¢ Lowe ring .................................... 399
b Malfunction See Owner's Man‐
ual ....................................................... 436
ðMaximum speed exceeded ..........4 06
N permanently active Risk of vehicle
ro lling .................................................. 426
ë Off.............................................. 404 Only select
Park (P) when vehicle is
st ationary ............................................ 426
j Operation on ly possible in
tr ansmission position N .......................429
j Operation only possible in
transmission position P ....................... 429
! Parking brake See Owner's
Manual ................................................ 388
 Place theke y in the mar ked
space See Owner's Manual ................. 423
PRE-SAFE impulse side inoperative
See Owner's Manual ........................... 394
PRE-SAFE inoperative See Owner's
Manual ................................................ 394
Ra dar sensors dirty See Owner's
Manual ................................................ 392
_Re ar left seat backrest not
loc ked (e xamp le)................................ .434
h Rectify tyre pressure ...................41 8466
Index