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
The inside
rear-view mir ror and the outside mir‐
ro r on the driver's side automatically go into
anti-dazzle mode if light from a headlamp hits
th e inside rear-view mir ror.
Sy stem limitations
The sy stem does not go into anti-dazzle mode in
th efo llowing situations:
R the engine is switched off.
R reve rsege ar is engaged
R the interior lighting is switched on Fu
nction of the passenger outside mir ror
parking position %
The pa rking position is available on ly invehi‐
cles with a memory function.
The parking position makes parking easier.
The passenger outside mir ror tilts down wards
and sho ws there ar wheel on the front passenger
side in thefo llowing situations:
R the parking position is stored (→ page144)
R the passenger mir ror is selected
R reve rsege ar is engaged The passenger outside mir
ror mo ves back toits
original position in thefo llowing situations:
R ifyo u shift the transmission toano ther trans‐
mission position
R at speeds greater than 15 km/h
R ifyo u press the button forth e outside mir ror
on the driver's side St
oring the pa rking position of the
pa ssenger outside mir ror using reve rsege ar St
oring #
Select the passenger outside mir ror using
button 2. #
Engage reve rsege ar. #
Movethe passenger outside mir ror into the
desired parking position using button 1.14 4
Light and sight
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
Lights
Display messages
Possible causes/consequences and M
MSolutions
b Left dipped beam (exa mp le) *T
he cor responding light source is defective. #
Consult a qualified specialist workshop.
or #
Check whe ther you are permit tedto replace the light source yourself .
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 435
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
1,
2, 3 ...
12 V so cket
see Soc ket (12 V)
230 V so cket
see Soc ket (230 V)
360° Camera ........................................... 223
Ca re ..................................................... 317
Fu nction .............................................. 223
Selecting a view .................................. 226 A
A/C function Activating/deactivating (control
panel) .................................................. 14 9
Ac tivating/deactivating (multimedia
sy stem) ................................................ 14 9
ABS (Anti-lock Braking Sy stem) ............ .191
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .294
Setting ................................................. 293 Ac
oustic locking verification signal
Swit ching on/off .................................. .68
Ac tive Blind Spot Assi st......................... 239
Ac tivating/deactivating ...................... .241
Brake application ................................. 239
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Tr ailer operation .................................. 239
Ac tive bonn et(pedestrian pr otection) .. 307
Operation ............................................ 307
Re setting ............................................. 307
Ac tive Brake Assi st
Fu nction/no tes ................................... 19 6
Setting ................................................. 201
Ac tive Di stance Assist DISTRO NIC........ 205
Calling up a speed ............................... 207
Fu nction .............................................. 205
Increasing/decreasing speed .............. 207
Le ver ................................................... 207
Re quirements: .................................... .207
Selecting ............................................. 207
St oring a speed ................................... 207
Switching off/deactivating .................. 207
Switching on/activating ......................2 07Sy
stem limitations ...............................2 05
Ac tive headlamps function .....................131
Ac tive Lane Keeping Assist .....................241
Ac tivating/deactivating ...................... .243
Fu nction ............................................... 241
Sensitivity (function/no tes) ................. 24 4
Setting the sensitivity .......................... 24 4
Sy stem limitations ...............................2 41
Ac tive Parking Assist .............................. 226
Cross Traf fic Alert ............................... 237
Drive AwayAssi st................................ 236
Exiting a pa rking space ...................... .230
Fu nction .............................................. 226
Pa rking ................................................ 228
Sy stem limitations ...............................2 26
Ac tive Steering Assist ............................ .210
Ac tivating/deactivating ........................ 211
Fu nction ............................................... 210
Sy stem limitations ...............................2 10
Ad aptive brake lights .............................. 201
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC 456
Index
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