
Ste
ering and touch de tection
The driver is requiredtokeep their hands on the
st eering wheel at all times and be able tointer‐
ve ne at any time tocor rect the course of the
ve hicle and keep it in lane. The driver must
ex pect a change from active topassive mode or
vice versa at any time. 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 tothis wa rning for a
considerable period, an emergency stop is initi‐
ated (/ page217).
If th e driver steers, no warning is issued, or the
wa rning is ended.
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 194).
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 ew ay.
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 row and 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. 216
Driving and pa rking

R
When the tyre pressure is too lo w. &
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/deactivating Active Steering
Assist
Re quirements:
R ESP ®
is activated, but is not inter vening.
R Active Dis tance Assi stDISTRONIC is acti va‐
te d.
Multimedia sy stem:
4 © 5
Settings 5
Quick access #
Select aAct. Steer. Asst . 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
DISTRONIC reduces the speed. The vehicle is
decelerated in stages toast andstill.
Depending on the count ry, at speeds below
60 km/h the hazard warning lights switch on
automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R The vehicle is secured with the electric park‐
ing brake.
R Active Dis tance Assi stDISTRONIC is ended
R The vehicle is unloc ked. Driving and parking
217

R
If possible, an emer gency call is placed to
th e Mercedes-Benz emer gency call centre
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
R Steering
R Braking or accelerating
R Deactivating Active Dis tance Assi st
DISTRONIC Fu
nction of Active Traf fic Jam Assist Ac
tive Traf fic Jam Assi sthelps you when in traf‐
fi c jams on multi-lane roads with separate car ria‐
ge wa ys by automatically pulling away within up
to 60 seconds and with mode rate steering
manoeuvres. It orients itself using theve hicle in
front and lane markings. Active Traf fic Jam
Assi stautomatically main tains a safe dis tance
from theve hicle in front and vehicles cutting in.
Ac tive Traf fic Jam Assi strequ ires you, as the
driver, tokeep your hands on thesteering wheel
at all times so that you are able tointer vene at
any time tocor rect the course of theve hicle and
ke ep it in lane. Obser
vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 194).
Ac tive Traf fic Jam Assi stactivates automatically
when all of thefo llowing conditions are me t:
R You are in a traf fic jam on a mo torw ay or
high-speed major road.
R Active Dis tance Assi stDISTRONIC is acti va‐
te d and active (/ page211).
R Active Brake Assi stisavailable
(/ page 199).
R Active Steering Assist is activated and active
(/ page 217).
R Active Traf fic Jam Assi stis activated
(/ page 218).
R You are tra velling no fasterthan 60 km/h.
The following symbol is displa yed in the instru‐
ment clus ter when the sy stem is active: Sy
stem limits
The sy stem limitations of Active Dis tance Assi st
DISTRONIC and Active Steering Assist apply to
Ac tive Traf fic Jam Assi st (/ page 215). Ac
tivating/deactivating Active Traf fic Jam
Assist Multimedia sy
stem:
4 © 5
Settings 5
Quick access #
Select ¬. Fu
nction of Hill Start Assist Hill
Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
R The transmission is in position hork.
R The elect ric pa rking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll
aw ay. 218
Driving and pa rking

Normal view
1 Driven sur face depending on the cur rent
st eering angle (dynamic)
2 Guide lines at a dis tance of appr oximately
0.5 m, 1.0 m, 1.5 m and 3.0 m from there ar
area
3 Lane marking the course the tyres will take
with the cur rent steering angle (dynamic)
4 Bumper
5 Guide line at a dis tance of appr oximately
0.3 m from there ar area Wi
de-angle view Tr
ailer view (vehicles with a trailer hit ch)
1 Locating aid 2
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
Ve hicles with Parking Assist PARKTRONIC
The following camera vie wsare available in the
multimedia sy stem: Normal view
1 Yellow warning display: obs tacles at a dis‐
ta nce between appr oximately 0.7 m and
1. 0 m
2 Orange warning display: obs tacles at a dis‐
ta nce between appr oximately 0.3 m and
0.7 m 228
Driving and parking

3
Guide lines at a dis tance of appr oximately
0.5 m, 1.0 m, 1.5 m and 3.0 m from there ar
area
4 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
5 Driven sur face depending on the cur rent
st eering angle (dynamic)
6 Guide line at a dis tance of appr oximately
0.3 m from there ar area
The colour of warning display 1/2changes
dynamically and is based on the dis tance tothe
de tected obs tacle:
R Blue: no obs tacles de tected at a di stance
less than 1.0 m
R Yello w: obs tacles at a di stance between
appr oximately 0.7 m and 1.0 m
R Orange: obstacles at a di stance between
appr oximately 0.4 m and 0.7 m
R Red:obs tacles at a very short dis tance of
appr oximately 0.4 m or less %
Vehicles with Active Parking Assis t:when
Ac tive Parking Assist is active, lane markings
4 are displa yed in green. Wi
de-angle view
1 Display of Parking Assist PARKTRONIC Tr
ailer view (vehicles with a trailer hit ch)
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
Sy stem malfunction
If th ere ve rsing camera is not ready for opera‐
tion, theSystem inoperative message appears in
th e media displa y.
Sy stem limits
The reve rsing camera will not function or will
only partially function in thefo llowing situations:
R The tailgate is open. Driving and parking
229

ing
youth e calculated vehicle path as well as the
dis tance toobjects and other vehicles, based on
th e cur rent steering angle. 1
Guide lines at a dis tance of appr oximately
0.5 m, 1.0 m, 1.5 m and 3.0 m from there ar
area
2 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
3 Driven sur face depending on the cur rent
st eering angle (dynamic)
4 Guide line at a dis tance of appr oximately
0.3 m from there ar area %
When Active Parking Assist is active, paths
2 are displa yed in green.
The guide lines show the dis tances to your
ve hicle. The dis tances apply toroad le vel.
In trailer mode, the guide lines are shown at
th e le vel of the trailer hitch.
In all vie ws,th ePa rking Assist PARKTRONIC
wa rning display is shown as well (/ page 223).
The colour of warning display changes dynami‐
cally and is based on the dis tance tothe de tec‐
te d obs tacle:
R Blue: no obs tacles de tected at a di stance
less than 1.0 m
R Yello w: obs tacles at a di stance between
appr oximately 0.7 m and 1.0 m
R Orange: obstacles at a di stance between
appr oximately 0.4 m and 0.7 m
R Red:obs tacles at a very short dis tance of
appr oximately 0.4 m or less
% When Parking Assist PARKTRONIC is opera‐
tional and no object is de tected, thewa rning
display is shown here in blue. Wi
de-an gle vie w,front 1
Warning display of Parking Assist
PA RKTRONIC Driving and parking
231

To
p view with image from the front came ra1
Warning display of Parking Assist
PA RKTRONIC (/ page 223)
2 Your vehicle from abo ve
3 Lane indicating thero ute theve hicle will
ta ke atthe cur rent steering angle
To p view with images from the side came ras
in the outside mir rors
The sides of theve hicle can be seen in this vie w. 1
Guide line of extern al vehicle dimensions
with outside mir rors folded out
2 Marker of the wheel conta ct points
To p view trailer view — no trailer connected
If yo u select trailer view and no trailer is coupled
to theve hicle, thefo llowing display appears: 1
Locating aid
2 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
To p view trailer view — trailer connected
When the electrical connection is es tablished
between theve hicle and the trailer, the display
ch anges tothe side camera vie w.
This view supports manoeuvring procedures with
a trailer. 232
Driving and parking

Pa
rking with Active Parking Assist #
Press button 1. Pa
rking spaces de tected bythe sy stem are
shown in the media displa y.When theve hicle is
st ationar y,indicated vehicle path 2into cur‐
re ntly selected pa rking space 3also appears. #
If a parking space is displa yed: stop theve hi‐
cle. #
If necessar y,select ano ther parking space. #
Vehicles with 360° Camera: if necessary,
ch ange the parking direction. #
Tostart the pa rking procedure: confirm
selected parking space 3.
The turn signal indicator is switched on automat‐
ically when the parking procedure begins. Yo uare
responsible for selecting the turn signal indi‐
cator in accordance with the traf fic conditions. If
necessar y,select the turn signal indicator
accordingly. &
WARNING Risk of accident due tovehi‐
cle swinging out while parking or pulling
out of a parking space
While parking or exiting a parking space, the
ve hicle swings out and can drive onto areas
of the oncoming lane.
This could cause youto collide wi thobjects
or other road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with
Ac tive Parking Assist. #
If,forex ample, thePlease engage reverse
gear message appears in the media display: 236
Driving and parking