
Protect bulbs from moisture during opera-
tion. Do not allow bulbs to come into contact
with liquids.
There are bulbs other than the Xenon bulbs
that you cannot change. Replace only the
bulbs listed (
Ypage 137). Have the bulbs that
you cannot replace yourself changed at a
qualified specialist workshop.
If you require assistance changing bulbs, con-
sult a qualified specialist workshop.
If the new bulb still does not light up, consult
a qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Overview: changing bulbs/bulb types
You can replace the following bulbs. The bulb
type can be found in the legend.
Halogen headlamps
:
Low-beam headlamp: H7 55 W
;High-beam headlamp: H7 55 W
=Parking lamp/standing lamp: W 5 W BV
?Side marker lamp: WY 5 W
Tail lamps
:
Brake lamp: P 21 W-L
Changing the front bulbs
Removing and installing the cover in the
front wheel housing
You must remove the cover from the front
wheel housing before you can change the
front bulbs.
XTo remove: switch off the lights.
XTurn the front wheels inwards.
XRemove securing pin ;using a suitable
tool.
XSlide cover :up and remove it.
XTo install: insert cover :again and slide it
down until it engages.
XInsert securing pin ;.
Replacing bulbs137
Lights and windshield wipers
Z

Low-beam headlamps (halogen head-
lamps)
XRemove the cover in the front wheel hous-
ing (
Ypage 137).
XTurn housing cover:counter-clockwise
and remove it.
XTurn bulb holder ;counter-clockwise and
pull out.
XPull the bulb out of bulb holder ;.
XInsert the new bulb into bulb holder ;.
XInsert bulb holder;and turn it clockwise.
XPress on housing cover :and turn it to the
right.
XReplace the cover in the front wheel hous-
ing (
Ypage 137).
High-beam headlamps (halogen head-
lamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing cover :counter-clockwise
and remove it.
XPull lever =upwards and remove bulb
holder ;.
XPull the bulb out of bulb holder ;.
XInsert the new bulb into bulb holder ;.
XSimultaneously press on bulb holder ;
and pull lever =downwards.
XPress on housing cover :and turn it clock-
wise.
Changing the rear bulbs
Opening and closing the service flap
Left-hand service flap
Right-hand service flap
138Replacing bulbs
Lights and windshield wipers

Activating ATTENTION ASSIST
XActivateATTENTI ONASSIST usin gth eon -
boar dcomputer (
Ypage 282).
When ATTENTI ONASSIST is deactivated, th e
é symbol appear sin th emultifunction
display in th eassistanc egraphic display.
ATTENTI ONASSIST is activated automatically
after th eengin eis started up.
Warn ing and display messages in the
mu ltifunction display
If fatigue or increasing lapse sin concentra-
tion are detected, awarning appear sin th e
multifunction display: Attention Assist:
Take a Break!
In addition to th emessage shown in th emul-
tifunction display, you will then hear awarn -
ing tone .
XIf necessary, tak e abreak.
XConfir mthemessage by pressing th ea
butto non th esteering wheel.
On longjourneys, tak eregular breaks in goo d
time to allow yourself to res tproperly. If you
do no ttak e a break, you will be warned again
after 15 minute sat th eearliest .The precon-
dition for this is that ATTENTI ONASSIST still
detects typical indicators of fatigue or
increasing lapse sin concentration .
Night View Assist Plus
Gene ral notes
In addition to th eillumination provide dby th e
normal headlamps ,Night View Assis tPlus
uses infrared ligh tto illuminate th eroad .
Night View As sistPlus camera :picks up th e
infrared ligh tand displays amonochrome
imag ein COMAND .The imag edisplayed in
COMAND correspond sto aroad lit up by high -
beam headlamps .This enables you to seethe
road's cours eand any obstacles in goo dtime.
If pedestrian recognition is activated, pede s-
trian srecognized by th esystem are highligh -
te din th eNight View Assis tPlus display.
Light from th eheadlamps of oncomin gvehi-
cle sdoes no taffec tth eNight View As sistPlus
display in th emultifunction display. This is
also th ecas eif you canno tswitch on th ehigh -
beam headlamps due to oncomin gtraffic.
iInfrared ligh tis no tvisible to th ehuma n
eye and therefor edoes no tglare. Night
View Assis tPlus can therefor eremain
switched on eve nif there is oncomin gtraf-
fic .
Import ant safety notes
Night View As sistPlus is only an aid and is no t
a substitut efor attentive driving .Do no trel y
on th eNight View Assis tPlus display. You are
responsible for th edistanc eto th evehicl ein
front, for vehicl espee dand for braking in
goo dtime. Drive carefully and always adapt
your driving style to suit th eprevailing road
and traffic conditions.
The system may be impaire dor may no tfunc-
tion if:
Rthere is poor visibility, e.g. due to snow,
rain ,fog or spray
Rth ewindshield is dirty, fogged up or cov-
ered, for instance by asticker, in th evicinity
of th ecamera
Ron ben ds,on uphill gradients or downhill
gradients
Driving systems241
Driving and parking
Z

Multifunction display
:Permanent display: outside temperature
or speed (
Ypage 283)
;Time
=Text field
?Menu bar
ADrive program (Ypage 174)
BTransmission position (Ypage 174)
XTo display menu bar?: press the=
or ; button on the steering wheel.
If you do not press the buttons any longer,
menu bar ?is faded out after a few sec-
onds.
Text field =shows the selected menu or
submenu as well as display messages.
iYou can set the time using the audio sys-
tem or COMAND (see the separate operat-
ing instructions).
The following messages may appear in the
multifunction display:
Z Gearshift recommendation when
shifting manually (
Ypage 178)
XjY Active Parking Assist
(
Ypage 227)
CRUISE
Cruise control (Ypage 202)
LOW
RANGE
LOW RANGE off-road gear
(
Ypage 259) _
Adaptive Highbeam Assist
(
Ypage 134)
¤ ECO start/stop function
(
Ypage 169)
ë HOLD function (
Ypage 217)
DSR
Downhill speed regulation
(
Ypage 257)
Menus and submenus
Menu overview
Press the =or; button on the steer-
ing wheel to call up the menu bar and select a
menu.
Operating the on-board computer
(
Ypage 273).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
RTripmenu (Ypage 275)
RNavimenu (navigation instructions)
(
Ypage 277)
RAudiomenu (Ypage 278)
RTelmenu (telephone) (Ypage 279)
RDriveAssistmenu (assistance)
(
Ypage 281)
RServmenu (Ypage 283)
RSett.menu (settings) (Ypage 283)
RON&OFFROADmenu (Ypage 287)
RAMGmenu (Mercedes-AMG vehicles)
(
Ypage 287)
Trip menu
Standard display
Menus and submenus275
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
If these conditionsare fulfilled ,th efront-passenger seat can be
occupied again .Whether th ePASSENGER AI RBA GOF Findicato r
lamp remain slit or goe sout depend son how OCS classifie sth e
occupant .
If th econdition sare no tfulfilled ,th esystem is no toperating cor-
rectly.
XVisit aqualified specialist workshop immediately.
Lights
i
Vehicles wit hLE Dbulbs in th eligh tclusters :
The display message fo rth ecorrespondin glamp only appears when all of th eLEDs in th e
lamp hav efailed.
Display messagesPossible causes/consequences and MSolutions
b
Check LeftCorner ‐
ing LightorCheck
Right Cornering
Light
The lef tor right-hand cornering ligh tis defective.
XVisit aqualified specialist workshop .
b
Check LeftLow
Bea morCheck
Right Low Bea m
The leftor right-hand low-beam headlamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 136).
or
XVisit aqualified specialist workshop .
b
Trailerrighttail
lamp
The lef tor right-hand trailer tai llamp is faulty.
XConsult th emanufacturer' soperating instructions.
b
Traile rlef tindi‐
catoror Traile r
right indicator
The leftor right-hand trailer tur nsignal lamp is defective.
XConsult th emanufacturer' soperating instructions.
b
Traile rbrake lam p
The trailer brak elamp is defective.
XConsult th emanufacturer' soperating instructions.
Display messages30 3
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
AUTOlightsinoper ‐
ative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch off lights
You leaveth evehicl eand th eligh tis still switched on . Awarnin g
tone also sounds.
XTur nth eligh tswitch to th eà position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' sManual
Adaptive Highbeam Assis tis deactivated and temporarily inoper -
ative. Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive Highbeam Assist Now Available
message is dis-
played .
Adaptive Highbeam Assis tis operational again .
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assis tis faulty.
XVisit aqualified specialist workshop .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 373).
XIf you need to add coolan tmor eofte nthan usual, hav eth e
engin ecoolan tsystem checke dat aqualified specialist work-
shop.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8 ‡ (120†), drive to th e
neares tqualified specialist workshop .
XAvoid subjecting theengin eto heav yloads ,e.g. drivin gin moun-
tainous terrain ,and stop-and-g otraffic.
306Display messages
On-board computer and displays