
If
th e sy stem de tects that the driver has not
st eered theve hicle for a considerable period of
time or has remo vedth eir hands from thesteer‐
ing wheel, display 1appears. If the driver still
does not steer theve hicle, a warning tone
sounds in addition tothe visual warning mes‐
sage.
If th e driver does not react tothewa rning for a
considerable period, the sy stem can initiate an
emer gency stop (/ page212).
The warning is not issued or is stopped when the
driver gives con firm ation tothe sy stem:
R The driver steers theve hicle. R
Depending on the count ry:th e driver
presses a steering wheel button or operates
To uch Control
If Ac tive Steering Assist de tects that a sy stem
limit has been reached, a visual warning is
issued and a warning tone sounds.
Obser vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 192).
Sy stem limits
Ac tive Steering Assist has a limited steering tor‐
qu efo r lateral guidance. In some cases, the
st eering inter vention is not su fficient tokeep the
ve hicle in the lane or todrive thro ugh exits.
The sy stem may be impaired or may not function
in thefo llowing ins tances:
R The reis poor visibilit y,e.g. due tosno w,rain,
fo g, heavy spr ay, greatly varying light condi‐
tions or strong shado wsonthe car riag ewa y.
R There is glare, e.g. from oncoming traf fic,
di re ct sunlight or reflections.
R Insuf ficient road illumination. R
The windsc reen is dirty, mis ted up, damaged
or co vered in the vicinity of the camera, e.g.
by ast icke r.
R No, or se veral, unclear lane markings are
present for one lane, or the markings change
qu ickl y,forex ample, in a con stru ction area
or junctions.
R The lane markings are wornaw ay, dark or
co vered up, e.g. bydirt or sno w.
R Ifth e dis tance totheve hicle in front is too
short and thus the lane markings cann otbe
de tected.
R The road is nar rowand winding.
R There are obs tacles on the lane or projecting
out into the lane, such as object mar kers.
The sy stem does not pr ovide assis tance in the
fo llowing conditions:
R On tight bends and when turning.
R When crossing junctions.
R Atroundabouts or tollst ations.
R When towing a trailer.
R When the tyre pressure is too lo w. Driving and pa
rking 211

&
WARNING Risk of accident if Active
St eering Assist unexpectedly stops func‐
tioning
If th e sy stem limits of Active Steering Assist
are reached there is no guarantee that the
sy stem will remain active or will keep the
ve hicle in lane. #
Alw ayske ep your hands on thesteering
wheel and obser vethe tra ffic carefull y. #
Alw aysst eer theve hicle paying atten‐
tion totraf fic conditions. &
WARNING Risk of accident if Active
St eering Assist unexpectedly inter venes
The de tection of lane markings and objects
may malfunction and cause unexpected
st eering inter ventions. #
Steer according totraf fic conditions. Ac
tivating Active Steering Assist
Re quirements:
R ESP ®
must be activated, but not inter vening. R
Active Dis tance Assi stDISTRONIC is acti va‐
te d. #
If indicator lamp 1is off: press button 2. Fu
nction of Active Eme rgency Stop Assist If
th e sy stem de tects that the driver has not
st eered theve hicle for a considerable period of
time or has remo vedth eir hands from thesteer‐
ing wheel, display 1appears in the multifunc‐
tion displa y.Ifth e driver still does not steer the
ve hicle, or gives no confirmation tothe sy stem,
a wa rning tone sounds in addition tothe visual
wa rning message.
If th e driver still does not respond tothewa rn‐
ing, theBeginning emergency stop message
appears in the multifunction displa y.Ifth e driver
st ill does not respond, Active Dis tance Assi st 212
Driving and pa rking

aid.
You are responsible for maintaining a safe
dis tance totheve hicle in front, forve hicle
speed, for braking in good time and forst ay ing
in lane. If a lane-cor
recting brake application occurs , dis‐
play 1appears in the multifunction displa y.
The sy stem does not apply the brake if you acti‐
va te the turn signal indicator.
Ve hicles with Driving Assistance Package: if
th e sy stem de tects an obs tacle, such as ano ther
ve hicle in the adjacent lane, it will apply the
brake rega rdless of the turn signal indicator. Yo
u are warned byvibrations in thesteering
wheel in thefo llowing circums tances:
R Active Lane Keeping Assist de tects a lane
marking.
R A front wheel drives over this lane marking.
Conditions for a course-cor recting brake
application (vehicles without Driving Assis‐
tance Package)
Lane markings weredetected on bo thsides of
th e lane. The front wheel drives over a continu‐
ous lane marking.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Conditions for a course-cor recting brake
application (vehicles with Driving Assistance
Pa ckage)
R A continuous lane marking was de tected and
driven over with the front wheel.
R A lane marking and an approaching vehicle,
an overtaking vehicle or vehicles driving par‐
allel to yo urvehicle weredetected in the adjacent lane. The front wheel drives
over
th e lane marking.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Sy stem limits
No lane-cor recting brake application occurs in
th efo llowing situations:
R You clear lyand actively steer, brake or accel‐
erate.
R If a driving saf ety sy stem inter venes, su chas
ESP ®
,Ac tive Brake Assi stor Active Blind
Spot Assi st.
R You ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
R When ESP ®
is deactivated.
R When driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tablished.
R If a loss of tyre pressure or a defective tyre is
detected and display ed. Driving and parking
223

R
ADS PLUS (Ada ptive Damping Sy stem with
const ant damping forc e adjustment)
R DYNA MIC SELECT switch and le vel button
Av ailable suspension settings
A (Comfort)
R The suspension setting is comfor table.
R The vehicle is set tothe normal le vel.
R When driving at speeds abo ve125 km/h the
ve hicle is lo wered.
R When driving at speeds below 80 km/ h,the
ve hicle is raised again.
; (Econo my)
R The suspension setting is comfor table.
R The vehicle is set tothe low le vel.
R The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
C (Sport)
R The suspension setting is firm er.
R The vehicle is set tothe low le vel. R
The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
B (Sport Plus)
R The suspension setting is evenfirm er.
R The vehicle is set tothe low le vel.
R The vehicle is not lo wered any fur ther if you
are tr avelling at higher speeds.
% Operation with a trailer or bicycle rack:if
transport equipment, such as a trailer or a
bicycle rack , is attached tothe trailer hitch
and the electrical connection has been cor‐
re ctly es tablished, theve hicle remains at
normal le vel ir respective of speed or the
drive prog ram selected.
Setting theve hicle le vel &
WARNING Risk of accident because
ve hicle le vel is too high
Driving characteristics may be impaired.
The vehicle can drift outwards, forex ample,
when steering or cornering. #
Choose a vehicle le vel which is suited
to the driving style and thero ad sur face
conditions. &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, other people
could become trapped if their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when theve hicle is
being lo wered. &
WARNING Risk of becoming trapped
due totheve hicle lo wering
Ve hicles with AIRMATIC or le vel control:
when you unload luggage or lea vetheve hi‐
cle, theve hicle firs trises slightly and then
re turns tothe set le vel shortly af terw ards. 226
Driving and parking

Yo
u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked. #
When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody. *
NO
TEDama gedue tovehicle lo wering Pa
rts of the body could be damaged when
th eve hicle is lo wered. #
Make sure that there are no obs tacles
such as kerbs underneath or in the
immediate vicinity of the body when the
ve hicle is being lo wered. Re
quirements:
R The vehicle has been star ted.
R The vehicle must not be moving fasterthan
60 km/h. Ra
ising theve hicle #
Press button 1.
Indica tor lamp 2lights up.
The vehicle is set tothe high le vel.
Yo ur selection is sa ved. The
vehicle is lo wered again in thefo llowing sit‐
uations:
R When driving fasterthan 80 km/h.
R When driving between 60 km/h and
80 km/h for appro ximately thre e minutes.
R After selecting a drive program using the
DY NA MIC SELECT switch.
The vehicle is adjus tedto the height of the
active drive program.
Lo weri ngtheve hicle #
Press button 1.
Indica tor lamp 2goes out. The vehicle is
adjus tedto the height of the active drive pro‐
gram. Re
versing camera Fu
nction of there ve rsing camera
If yo u ha veactivated the function in the multime‐
dia sy stem, the image from there ve rsing camera
is shown in the media display when reve rsege ar
is engaged. Dynamic guide lines show the path
th eve hicle will take with the cur rent steering Driving and parking
227

To
p view 1
Lane indicating thero ute theve hicle will
ta ke atthe cur rent steering wheel angle
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 1.0 m or less
3 Your vehicle from abo ve
If th e dis tance tothe object lessens, the colour
of wa rning display 2changes. From a dis tance
of appr oximately 0.6 m thewa rning display is
shown in orange. From a dis tance of appr ox‐
imately 0.3 m thewa rning display is shown in
re d. When
Parking Assist PARKTRONIC is operational
and no object is de tected, the segments of the
wa rning display are shown in grey.
Guide lines 1
Yellow lane marking the course the tyres will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Mark at a distance of appr ox.1. 0 m %
When Active Parking Assist is active, the
lane markings are displa yed in green.
The guide lines show the dis tances to your
ve hicle. The dis tances only apply toroad
le ve l.
In trailer mode, the guide lines are shown at
th e le vel of the trailer hitch.
Tr ailer view (vehicles with a trailer hitch)
If yo u select trailer view and no trailer is coupled
to theve hicle, thefo llowing display appears: 1
Yellow guide line, locating aid
2 Red guide line at a dis tance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch Driving and parking
231

Note
s on operating saf ety&
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Fo
ryo ur ow n sa fety, al ways obser vethefo llow‐
ing points when operating mobile communica‐
tions equipment and especially your voice con‐
trol sy stem:
R Obser vethe legal requ irements forth e coun‐
try in which you are driving. R
Ifyo u use thevo ice control sy stem in an
emer gency your voice can change and your
te lephone call, e.g. an emer gency call, can
th ereby be unnecessarily dela yed.
R Familiarise yourself with thevo ice control
sy stem functions before starting the journe y. Operation
Overview of operation of LINGU
ATRO NIC on
the multifunction steering wheel LINGU
ATRO NIC is operational appr oximately
th irty seconds af terth e ignition is switched on. 1
Press therock er switch up: £starts LIN‐
GU ATRO NIC
2 Press the control: 8switches the sound
off or on (ends LINGU ATRO NIC)
Tu rn the control up/down: increases/
decreases thevo lume 256
LINGU ATRO NIC

3
Press therock er switch up: 6makes/
accepts a call
Press therock er switch down: ~rejects/
ends a call (ends LINGU ATRO NIC) Conducting a dialogue with LINGU
ATRO NIC #
Tostart or continue a dialogue: onthe
multifunction steering wheel, press the£
rock er switch up.
Yo u can say a voice command af ter an
acou stic signal. #
Tocor rect an ent ry:say theCorrection
vo ice command. #
Toselect an entry from the selection lis t:
say the line number or the conte nts. #
Tobrows eth e selection lis t:say theNext
or Back voice command. #
Tointer rupt the dialogue: saythePause
vo ice command. #
Tocancel the dialogue: saytheCancel
vo ice command. Operable functions
Yo
u can use the LINGU ATRO NIC voice control
sy stem tooperate thefo llowing equipment
depending on thefe atures:
R Telephone
R Text messa ges
R Navigation
R Address book
R Radio
R Audio (memory card, Media Inter face, USB
and Blu etoo th®
audio)
R TV
R Vehicle Overview of types of
voice command A distinction is made between
thefo llowing
vo ice commands:
R Global voice commands can be said at any
time and rega rdless of the cur rent applica‐
tion, e.g. thevo ice commands Navigate to,
Call orText message to. R
Application-specific voice commands are
only available forth e active application.
Once Linguatronic is star ted an autocue is
shown. Apart from theav ailable voice com‐
mands forth e application cur rently acti ve,th is
also cites example voice commands forot her
applications which are not active. In this wa y,
yo u will be familiar more quickly with theav aila‐
ble voice commands. The list can be scrolled or
it can be operated byspeech or the controller/
to uchpad. Information on
the language setting Yo
u can change the language of LINGU ATRO NIC
via the sy stem language settings. If the set sys‐
te m language is not suppor tedby LINGUA‐
TRONIC, English will be selected.
LINGU ATRO NIC is available foryo u in thefo llow‐
ing languages:
R German
R English
R French LINGU
ATRO NIC 257