
R
the Off-roa dprogra misa ctivate d(vehicles
without th eON&OFFROAD package).
R Off-road progra m1or2isactivated(vehi-
cle sw ith the ON&OFFROAD package).
R the LOW RANGE off-road gear is activated
(vehicles with the ON&OFFROAD package).
R al oss of tyr epressure or adefectiv etyre is
detected.
Activating Active Blind Spot Assist
X On vehicles without anavigation system,
make sure that the Becker ®
MAP PILOT is
connected; see the separate operating
instructions for Audio 20.
X Make sure that the radar senso rsystem
(Y page 249) and Active Blind Spot Assist
(Y page 245) are activated in the on-board
computer.
X Turn the key to position 2in the ignition
lock.
Warning lamps :ligh tupr ed in the exte-
rior mirror sfor approximately 1. 5seconds
and then tur nyellow.
Trailer towing
If you attach atrailer, make sure that yo uhave
correctly established the electrical connec-
tion. This can be accomplished by checking
the trailer lighting .Active Blind Spo tAssist is
then deactivated. The indicator lam plights up
yellow in the exterior mirrors and the ActiveBlind Spot Assist currently unavail‐
able Se
eOwner's Manual message
appe arsint he multifunction display.
Active Lan eKeeping Assist Import
ants afety notes
Active Lane Keeping Assis tmonitors the area
in front of your vehicle by means of acamera
at the top of the windscreen. Active Lane
Keeping Assis tdetect slane markings on the
road and warns you before you leave your
lane unintentionally .Ifyou do not react to the
warning, alane-correcting application of the
brakes can bring the vehicle back into the
original lane. :
Active Lane Keeping Assis tcamera
If you have selected the Displayunit Speed-/odometer (Y
page 246) function in
th eo n-board compute rand select km as the
unit of measurement, Active Lane Keeping
Assist is active from speeds of 60 km/h. If
the miles display unit is selected
,the assis-
tan ce ra nge begins at 40 mph. G
WARNING
Active Lane Keeping Assist doe snot keep
your vehicle in its lane. It is only an aid and
may detec tthe lan emarkings on the road
incorrectly or not at all.
The system may be impaired or may not func-
tion if:
R several or no lane markings for asingle lane
are present.
R there is poor visibility, e.g. due to insuffi-
cient illumination of the road, or due to
snow, rain, fog or spray.
R there is glare, e.g. from oncoming traffic,
the sun, or reflec tion from other vehicles.
R the windscreen is dirty, misted up or cov-
ered, for insta ncebyasticker, in the vicinity
of the camera.
R the lane markings are worn away ,dark or
covered up, e.g. by dirt or snow.
R the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected.
R the lane markings on the road are unclear,
e.g. near roadworks. Driving systems
215Drivingand park ing
Z

Menus and submenus
Men
uoverview
The number of menu sshown depends on the optional equipment in the vehicle. Function
:
Trip menu (Y
page 239) ;
Navi menu (navigation instructions) (Y
page 240)=
Audio menu (Y
page 241) ?
Tel menu (telepho
ne)(Y page 24 2) A
Assist. me
nu (assistance) (Y page244) B
Serv. menu (Y
page246)
R call supd isplay messages (Y page 253)
R tyre pressure loss warnin g(Ypage 36 0)or checks the tyr epressure elect ron-
ically (Y page361)
R ASSYST PLUS service interval display (Y page322) C
Settin
gs menu (Y
page 246) D
ON&OFFROAD menu (Y
page 252) 238
Menus an
dsubmenusOn-board computer and displays

:
Digita lspeedom eter
Resetting values Yo
uc an reset the values of the following func-
tions:
R trip meter
R trip compute r"From start"
R trip co mputer"From reset"
X Press the =or; buttononthe steer-
ing whee ltoselect theTrip menu.
X Press the 9or: button to select the
functio nthat you wish to reset.
X Press a. Resettin
gthe trip computer "From start" (example)
X Press :to select Yes and press
a
to confirm. Naviga
tion menu
Displaying navigation instructions In the
Navi menu, the multifunction display
shows navigation instruc tions. For more
information ,see the separate operating
instructions.
X Switch on the audio system with Becker ®
MAP PILOT or COMAN DOnline (se ethe
separate operating instructions).
X Press the =or; button on the steer-
ing wheel to selec tthe Navi menu.Route guidance not active
:
Direction of travel
; Curren tstreet
Activated route guidance No change of direction announced
:
Distance to the destination
; Distance to the next change of direction
= Current street
? Symbol for "follo wthe road' scourse"
Change of direction announced without a
lane recommenda tion :
Road to which the change of direction
leads
; Distanc etochange of direction and visual
distanc edisplay
= Change-of-direction icon
When achange of direction has been
announced, you will see visual distanc edis-
play ;next to the symbol for change of
direction =.This decreases in size as you
approach the announced change of direction. 240
Menu
sand submenusOn-board computer and displays

X
Press :or9 to set Off ,
Standard or
Adaptive .
X Press the abutton to save the setting.
When Lane Keeping Assist or Active Lane
Keeping Assist is activa ted, the Ãsymbol
appear sint he multifunction displa ywhen the
ignition is on. Servic
emenu In the
Service menu you can:
R call up display messages (Y page 253)
R reset the tyre pressure loss warnin gsystem
(Y page 360) or check the tyre pressure
electronically (Y page 361)
R call up the service due date (Y page 322)Settings menu
Introduction The
Settings menu can be used for:
R changing the instrument cluster settings
R changing the ligh tsettings
R changin gthe vehicle settings
R changin gthe auxiliary heating settings
R changin gthe con venience set tings
R resto ring the factory settings Instrument cluster Selectin
gthe uni tofmeasurement for dis-
tance
The Displa yunit Speed-/odometer: function allows yo
utochoose whether cer-
tai nd isplays appear in kilometres or miles.
The selected unit of measurement for dis-
tanc eapplies to:
R the digital speedometer in the Trip menu
R the total distanc erecorder and the trip
meter
R the trip computer
R the curren tconsumption and the range
R the navigation instruction in the Navi menu
R cruise con trol
R SPEEDTRONIC
R DIST RONIC PLUS
R ASSYST PLUS service interval display
X Press the =or; button on the steer-
ing whee ltoselect the Settings menu.
X Press the :or9 button to select the
Inst .cluster submenu.
X Press the abuttontoc onfirm.
X Press the :or9 button to select the
Displa yunit Speed-/odometer func-
tion.
Yo uw ill see the selected setting: km or
miles .
X Press the abutton to save the setting.
Selecting the permanent display function
i Vehicles for the United Kingdom: this
func tion is not available.
The Permanen tdisplay: function allows
yo utoc hoose whether the multifunction dis-
play always shows the outside temperature
or the speed in mph.
X Press the =or; button on the steer-
ing wheel to selec tthe Settings menu.
X Press the :or9 button to selec tthe
Inst .cluster submenu.
X Press the abuttontoc onfirm. 246
Menu
sand submenusOn-board computer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
Sp
eedL imit Assist currently unavail‐
abl
eS ee Owner's Manual Spee
dLimit Assist is deactivated an dtemporarily inoperative.
Possible causes:
R the windscreen is dirt yinthe camera's field of vision.
R visibility is impaired due to heav yrain, snow or fog.
If the displ aymessage does not disappear:
X Pull ove rand sto pthe vehicle safely as soon as possible, paying
attention to roa dand traffic conditions.
X Appl ythe electric parkin gbrake.
X Cle anthe windscreen.
If th esystem detects that the camera is fully operational, the dis-
play messag edisappears.
Speed Limit Assist is operational again. Speed Limit Assist:
Unavailabl
ein this country Spee
dLimit Assist is only available in certain countries.
X Driv eon.
Spee dLimit Assist is available again when you drive in acount ry
in which its use is approved. Spee
dLimit Assist inoperative Spee
dLimit Assist is faulty.
X Visit aqualified specialist workshop. HOLD
Off The HOLD function is deactivated. The vehicle is skidding.
Aw arning ton ealso sounds.
X Reactivat ethe HOL Dfunction later (Y page 187). Ra
dars ensor deac‐ tivated autom. See
Owner'
sManual Vehicles with
anavigation system :the vehicl eisclose to aradio
telescope facility and is therefor eprohibited from transmittin gany
radar sig nals. The radar sensor system has switched off automat-
icall y(Ypage 380).
DISTRONI CPLUS (Y page 174) is deactivate dautomaticall yifitis
activated. Awarning ton ealso sounds.
Blin dSpotA ssist (Y page 208) or Ac tiveBlind Spo tAssist
(Y page 212) is deactivate dautomaticall yifitisactivated. The
yellow 9indicator lamps als olight up in the exterior mirrors.
BAS PLU S(Brake Assis tPLUS) (Y page 62) and PRE-SAFE ®
Brake
(Y page 66) are then also no tavailable.
X Drive on.
Once yo uhave moved far enough awa yfrom th eradio telescope,
the above function sare avai lable again. 272
Display messagesOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
J
The red brake system
warnin
glamp comes on
while the engine is run-
ning. Awarning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the electric parking brake.
X Consult aqualified specialist worksho pimmediately.
X Observe th eadditiona ldisplay messages in the multifunction
display.
Do not top up the brake fluid. This does not correct the error. !
The yello
wABS warning
lamp is lit while the
engine is running. G
Risk of accident
ABS (Anti-lock Brake System) has bee ndeactivated due to afault.
For this reason, BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic
Stability Program), PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOL Dfunc-
tion, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation are also deactivated, for example.
The brake system continues to function normally, but without the
functions listed above. The wheel scould therefor elock if you
brake hard ,for example.
ATTENTION ASSIS Tisdeactivated.
X Observ ethe additiona ldispla ymessages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop.
If the ABS control unit is faulty, there is also apossibility that other
systems, such as the navigation system or the automatic trans-
mission ,will not be available. 286
Warning and indicator lamp
sinthe instrument clusterOn-board compute rand displays

24-G
Hzradar sensor system (country overview)
The 24 GHz radar sensor sys temr equir esseparat eapproval fo reach coun try. Whe nyou are
dri ving in acoun tryinw hichthe ra dar sensor system is no tapproved, you must deacti vate
the syste musing the on-boar dcompu ter( Ypage 24 9).T he curren tcountry over view can be
obtain ed fromaMercedes-Benz Ser vice Centre.
Vehicles with anavigation system: the radar sensor system is deactivated automatically
near radio tele scope facilities.
The currently active systems ar eautom atically deactivated:
R DISTRONIC PLUS (Y page174)
R Blind Spo tAssist (Y page 208)
R Activ eBlind Spot Assist(Y page212)
R PRE-SAFE ®
Brake (Y page45)
Ad isplay message appears in the multifunction display to tell you that the radar sensor system
is being switched off (Y page 272).
BA SP LUS (Y page 62) is then also unavailable.
If th edeactiva tion does not occur automatically ,you must deactiva tethe radar sensor system
using the on-board computer (Y page 249).
Vehicles withou tnavi gation and vehicles for Australia: you must deactivate the radar
sensor system using the on-bo ardc omputer when you are near aradio telescop efacility
(Y page 249). Country Radio telescope
facilities Geographical latitude and
longitude Distance to be
maintained
from the facility Egypt – – –
Andorra – – –
Australia Parkes 32°59'59
"S,14 8°1 5'44" E 10 km
Narrabri 30°18'52" S,149°32'56" E 10 km
Canberra 35°23'54" S,148°58'40" E 3km
Western Australia 26°3
7'13"S,117°30'40" E 10 km
Bahrain – – –
Belgium – – –
Bosnia-Herzego-
vina – – –
Bulgaria – – –
Den
mark – – –
Germany Effelsberg 50°31'32" N, 06°53'00" E 6.5 km380
24-GHz radar sensor syste
m(countr yoverview)Technica ldata