
Exterior lighting
Changing
the lights when driving abroad Ve
hicles with halogen or static LED head‐
lamps: It is not necessa ryto change the head‐
lamps. The legal requ irements are also met in
countries where people drive on theot her side
of thero ad.
Ve hicles with Intelligent Light Sy stem: Before
crossing the border into count ries where they
drive on theot her side, it is necessary toset the
headlamp sto symmetrical dipped beam
(→ page 137).
Af terch anging the headlamps:
R Oncoming tra ffic is not dazzled.
R The edge of thero ad is not illuminated as far
or as high.
R The "mo torw ay mode" and "enhanced fog
light functions" are not available.
The headlamps must be reset toasymm etrical
dipped beam af terre turning from ab road. Lighting sy
stems and your responsibility The
various lighting sy stems of theve hicle are
only aids. The driver of theve hicle is responsible
fo r cor rect vehicle illumination in accordance
with the pr evailing light and visibility conditions,
legal requirements and traf fic situation. Light switch
Ope
rating the light switch #
1 W Left-hand pa rking lights #
2 X Right-hand parking lights #
3 T Standing lights and licence plate
lighting Light and sight
131 

+1
Lowe rsthe cone of light of the headlamps
when the load compartment is heavily
laden and when using the maximum per‐
missible rear axle load tothe full
g Normal position
- 1
Raises the cone of light of the headlamps
when all seats are occupied #
Turn the headlamp range adjus terto the
position which cor responds tothe load con‐
dition of your vehicle. Operating
the light combination switch 1
Main beam
2 Turn signal light, right 3
Headlamp flashing
4 Turn signal light, left #
Pull or push the combination switch in the
re leva nt di rection following the ar row.
Switching on the main beam manually #
Vehicles with Adaptive Highbeam Assist
Plus: Turn the light switch totheL posi‐
tion. R Press the combination switch be yond the
pressure point in the direction of
ar ro w 1.
When the main beam is activated, the indicator
lamp for dipped beam is deactivated and
re placed bythe indicator lamp forth e main
beam. #
Toswitch off the main beam: movethe
combination switch ba cktoits starting posi‐
tion. #
Toindicate briefl y:press the combination
switch briefly up tothe pressure point in the
direction of ar row2or4.
The cor responding turn signal light flashes
th re e times. Light and sight
13 3 

The function is active:
R Atspeeds below 70 km/h when there ar fog
light is switched on.
The function is not active:
R Atspeeds abo ve100 km/h af ter activation.
R When there ar fog light is switched off.
Ad versewe ather light
The adverse weather light reduces reflections in
ra iny conditions bydimming individual LEDs in
th e headlamps. This reduces theglare forthe
driver and other road users. City lighting
City lighting impr
ovesth e illumination of road‐
sides within built-up areas using a broader distri‐
bution of light.
The function is active:
R Atlowe r speeds.
R In illumina ted parts of built-up areas.
Switching the Intelligent Light Sy stem
on/off
Requ irement:
The light switch is in theà position.
Multimedia sy stem:
, Vehicle .
÷ Light settings .
Intell.
Light System #
Switch the function on Oor off ª. Ad
aptive Highbeam Assist Plus Fu
nction of Adaptive Highbeam Assist Plus &
WARNING Risk of accident despi te
Ad aptive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not rec‐
ognise thefo llowing road users:
R Road users without lights, e.g. pedes‐
trians
R Road users with poor lighting, e.g.
cyclists
R Road users whose lighting is obstructed,
e.g. bya bar rier
In very rare cases, Adaptive Highbeam Assist
Plus may not recognise road users who do
ha ve lights, or may recognise them too late.
In this, or in similar situations, the automatic
main beam will not be deactivated or will be
activated despite the presence of other road
users. #
Alw ays obser vethe tra ffic carefully and
switch off the main beam in good time. 13 6
Light and sight 

Ad
aptive Highbeam Assist Plus swit ches auto‐
matically between:
R Dipped beam
R Partial main beam
R Main beam
The partial main beam uses the main beam to
shine past other road users rath er than dazzling 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‐
cally.
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.
Sy stem limitations
Ad aptive Highbeam Assist Plus cannot take into
account road, weather or traf fic conditions. De
tection may be restricted if:
R Visibility is impaired, forex ample in fog,
heavy rain or sno w.
R There is dirt on the sensors or if the sensors
are co veredov er.
Switching Adaptive Highbeam Assist Plus
on/off #
Toswitch on: turnthe light switch to
th eà 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 in the multifunction display comes on. #
Toswitch off: switch offthe main beam
using the combination switch. Setting
the dipped beam Multimedia sy
stem:
, Vehicle .
÷ Light set-
tings .
Dipped-beams #
Select Left-side traffic orRight-side traffic. Light and sight
137 

#
Toscroll in the menu bar: swipetothe left
or right on the left-hand Touch Control. #
Tocall up the menu or confirm the selec‐
tion: press the left-hand Touch Control. #
Toscroll through displa ysor lists in the
menu: swipe upwards or down wards on the
left-hand Touch Control. #
Tocall up the submenu or confirm the
selection: pressthe left-hand Touch Control. #
Toexitth e submenu: pressthe back button
on the left.
If yo u are br owsing a submenu and you press
and hold the back button on the left, the menu
bar appears. Displa
ysinthe multifunction display 1
Outside temp erature
2 Drive prog ram
3 Transmission position (→ page171)
4 Time
5 Display section
% Ve
hicles with the instrument display in
th e widescreen cockpit: the position of the
displa ysdeviates from those displa yed here.
Fu rther displa ysinthe multifunction display:
Z Gearshift
recommendation (→ page 173)
ë Parking Pilot activated é
Parking Assist PARKTRONIC deacti vated
¯ Cruise cont
rol (→ page 199)
È Limi
ter (→ page 199)
ç Distance Pilot DISTRONIC (→ page 209)
(→ page 202)
a St
eering Pilot (→ page 209)
è ECO
start/ stop function
ë HOLD function (→
page212)
_ Ad
aptive Highbeam Assist Plus
(→ page 136)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) Instrument Display and on-board computer
257 

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. 500
Display messages and warning/indicator lamps 

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page136). #
Drive on.
When the causes no longer appl y,the sy stem will be available again. The Adaptive Highbeam Assist Plus availa-
ble again display message appears.
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual *T
he camera view is reduced. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
When the causes no longer appl y,driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems per form a self-test when the igni‐
tion is switched on. Some warning and indicator
lamps may briefly light up or flash. This behav‐ iour is non-critical. These
warning and indicator
lamps only indicate a malfunction if they light up
or flash af terth e engine is star ted or during a
journe y. Displ
aymessa ges and warning/indicator lamps 501 

1,
2, 3 ...
12 V so cket
see Soc ket (12 V)
230 V so cket ............................................ 127
360° Camera .......................................... .224
Assigning as a favo urite ...................... .227
Care .................................................... 383
Fu nction .............................................. 224
Selecting a view .................................. 226 A
A/C function Activating/deactivating (control
panel) ................................................... 151
Ac tivating/deactivating (multimedia
sy stem) ................................................ 151
ABS (Anti-lock Braking Sy stem) ............ .189
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .342
Setting ................................................. 340 Ac
oustic locking verification signal
Swit ching on/off .................................. .65
Ac tive Blind Spot Assi st.......................... 24 2
Ac tivating/deactivating ...................... .244
Brake application ................................. 24 2
Fu nction/no tes ................................... 24 2
Sy stem limits ....................................... 24 2
Tr ailer operation .................................. 24 2
Ac tive bonn et(pedestrian pr otection) ..373
Operation ............................................ 373
Re setting ............................................. 373
Ac tive Brake Assi st................................. 194
Fu nction/no tes .................................... 194
Setting ................................................. 19 8
Ac tive Eme rgency Stop Assist ................ 210
Ac tive Lane Change Assi st..................... 210
Ac tive Lane Keeping Assist .................... 24 4
Ac tivating/deactivating ...................... .246
Fu nction .............................................. 24 4
Sensitivity (function/no tes) ................. 247
Setting the sensitivity .......................... 247
Sy stem limits ....................................... 24 4
Tr ailer operation .................................. 24 4Ac
tive light function ................................ 13 4
Ad aptive brake lights ..............................19 9
Ad aptive cruise control
see Dis tance Pilot DISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Ac tivating/deactivating ...................... .137
Fu nction .............................................. 13 6
Ad Blue ®
.................................................... 437
Ad ditives .............................................4 37
Filling capacity .................................... 438
Low outside temp eratures ...................4 37
No tes ................................................... 178
Purity ................................................... 437
Ad ditional door lo ck.................................. 68
Ad diti ves.................................................. 438
Ad Blue ®
............................................... 437
Engine oil ............................................ 438
Fu el ..................................................... 435
Ad diti ves (engine oil)
see Additives 518
Index