
#
Always pay careful attention tothe traf‐
fi c situation; do not relyonActive Brake
Assi stalone. Active Brake Assi stis only
an aid. The driver of theve hicle is
re sponsible forke eping a suf ficiently
safe dis tance totheve hicle in front, for
ve hicle speed and for braking in good
time. #
Be prepare dto brake or swer veif nec‐
essar y. Also obser
vethe sy stem limitations of Active
Brake Assi st. The individual subfunctions are
available in
th efo llowing speed ranges:
Distance warning function
The dis tance warning function warnsyo u at
speeds greater than appr oximately 4 mph
(7 km/h), if your vehicle is critically close to a
ve hicle or pedestrian.
An intermittent warning tone sounds and the
00BA distance warning lamp lights up in the
instrument clus ter.
Brake immedia tely or take eva sive action, pr ovi‐
ded it is safe todo so and the tra ffic situation
allo ws th is.
The distance warning function can aid you in thefo llowing situations with an intermit tent wa rn‐
ing tone and a warning lamp: Ve
hicles tr avel‐
ing in front St
ationary vehi‐
cles Crossing
vehi‐
cles Crossing pedes‐
trians/cycli
stsSt
ationary
pedestrians
Up toappr ox.
15 5mph
(250 km/h) Up
toappr ox.
12 4mph
(200 km/h) No
reaction Uptoappr ox.
37 mph
(60 km/h) No
reaction Au
tonomous braking function
The autonomous braking function may inter vene at speeds starting from appr oxima tely 4mph
(7 km/h) in thefo llowing situations: Ve
hicles tr avel‐
ing in front St
ationary vehi‐
cles Crossing
vehi‐
cles Crossing pedes‐
trians/cycli
stsSt
ationary
pedestrians
Up toappr ox.
15 5mph
(250 km/h) Up
toappr ox.
12 4mph
(200 km/h) No
reaction Uptoappr ox.
37 mph
(60 km/h) No
reaction Situation-dependent braking assistance
Situation-dependent braking assistance may inter vene at speeds starting from appr oxima tely
4 mp h (7 km/h) in thefo llowing situations: Ve
hicles tr avel‐
ing in front St
ationary vehi‐
cles Crossing
vehi‐
cles Crossing pedes‐
trians/cycli
stsSt
ationary
pedestrians
Up toappr ox.
15 5mph
(250 km/h) Up
toappr ox.
50 mph
(80 km/h) No
reaction Uptoappr ox.
37 mph
(60 km/h) No
reaction 14 0
Driving and pa rking

#
Todeactivate cruise control: pushrock er
switch 3(CNCL) down.
If cruise cont rol is deactivated, it can be reactiva‐
te d as follo ws:
R rock er switch 2(SET+) or (SET-) stores the
cur rent speed and theve hicle maintains this
speed
R rock er switch 3(RES) calls up the last speed
st ored and theve hicle maintains this speed
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter‐
ve nes, cruise control is deacti vated.
When you swit choff theve hicle, the last
speed stored is cleared. Ac
tive Di stance Assist DISTRO NICFu
nction of Active Di stance Assist DISTRO NIC
Ac tive Dis tance Assi stDISTRONIC maintains the
set speed on free-flowing roads. If vehicles ahead
are de tected, the set dis tance is maintained, if
necessa ryuntil theve hicle comes toa halt. The
ve hicle accelerates or brakes depending on the
dis tance totheve hicle in front and the set speed.
Speed and dis tance are set and stored on the
st eering wheel. The speed can be set in thera nge
between 15mp h (20 km/h) and 99 mph
(160 km/h) or between 15mp h (20 km/h) and
th eve hicle's maximum speed.
Other features of Active Dis tance Assi st
DISTRONIC:
R Depending on the preselected dis tance,
DISTRONIC inter venes ei ther dynamically
(short dis tance) or tosave fuel (long dis‐
ta nce).
R Depending on theve hicle mass de tected, the
dynamics of the DISTRONIC inter vention are
re duced.
R Rapid acceleration tothestored speed is initi‐
ated if the turn signal indicator is switched on
to change totheov ertak ing lane.
Ac tive Dis tance Assi stDISTRONIC is only an aid.
The driver is responsible forth e dis tancetothe
ve hicle in front, forve hicle speed and for braking
in good time.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing ins tances:
R The radar sensors are af fected bysno w,rain,
fo g, heavy spr ay,gl are, direct sunlight or
greatly varying ambient light. R
The radar sensors may malfunction in parking
ga rage s or on roads with steep uphill or
downhill gradients.
R Ifth era dar sensors are dirty or co vered.
R On icy or slippery roads, braking or accelerat‐
ing can cause the drive wheels tolose trac‐
tion and theve hicle could then skid.
R Stationary objects are not de tected if these
we renot pr eviously de tected as moving.
R On bends, target vehicles may be lost or not
re cognized cor rectl y.As a result, a target
ve hicle is not used toregulate the speed
which may lead tounwa nted accele ration.
Do not use Active Dis tance Assi stDISTRONIC in
th ese situations. &
WARNING Risk of accident from acceler‐
ation or braking byActive Dis tance Assi st
DISTRONIC
Ac tive Dis tance Assi stDISTRONIC may accel‐
erate or brake in thefo llowing cases, for
ex ample:
R Ifth eve hicle pulls away using Active Dis‐
ta nce Assi stDISTRONIC.
R Ifth estored speed is called up and is con‐
siderably faster or slo werth an the cur‐
re ntly driven speed.
R IfAc tive Dis tance Assi stDISTRONIC no
longer de tects a vehicle in front or does
not react toreleva nt objects. #
Always carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times. #
Take into account the tra ffic situation
before calling up thestored speed. &
WARNING Risk of accident due toinsuf‐
fi cient deceleration byActive Dis tance
Assi stDISTRONIC
Ac tive Dis tance Assi stDISTRONIC brakes
yo ur vehicle with up to50% of the maximum
possible deceleration. If this deceleration is
not suf ficient, Active Dis tance Assi st
DISTRONIC alerts you with a visual and
acoustic warning. #
Inthese cases, adjust your speed and
ke ep a suf ficient dis tance. #
Brake theve hicle yourself and/or take
ev asive action. Driving and parking
14 3

Re
ar view camera Fu
nction of there ar view camera If
yo u ha veactivated the function in the multime‐
dia sy stem, the image from rear view camera 1
appears in the multimedia sy stem when reve rse
ge ar is selec ted. Dynamic guide lines show the
path theve hicle will take with thesteering wheel
in its cur rent position. This helps youto orient
yo urself and toavo id obs tacles when ba cking up.
The image from rear view camera 1appears in
th e multimedia sy stem when thefo llowing condi‐
tions are fulfilled:
R The ignition is switched on.
R Reversege ar has not been engaged.
R The rear-end doors are opened.
This means that the area behind theve hicle can
be monitored.
When there ar-end doors are closed, the image
from there ar view camera is swit ched off af ter
appr oximately ten seconds.
The rear view camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe maneu vering and pa rk‐
ing remains with you. Make sure that there are no
persons, animals or objects etc., in the maneu‐
ve ring area while maneuvering and pa rking.
The rear view camera may show a dis torted view
of obs tacles, show them incor rectly or not at all.
The rear view camera cannot display all objects
which are very near toor under there ar bumper.
It will not warnyou of a collision, people or
objects.
Yo u can select from thefo llowing vie ws:
R Norma l view R
Wide-angle view
R Trailer view
The area behind theve hicle is displa yed as a mir‐
ro r image, as in the inside rearview mir ror.
Sy stem limitations
The rear view camera will not function or will only
partially function in thefo llowing situations:
R There is heavy rain, snow or fog.
R The ambient light is poor, e.g. at night.
R The area is lit byfluorescent light (the displ ay
may flic ke r).
R Ifth ere is a sudden change in temp erature,
e.g. when driving into a heated garage in win‐
te r.
R The ambient temp erature is very high.
R The camera lens is obstructed, dirty or fogged
up. Obser vethe no tes on cleaning there ar
view camera (/ page212).
R The camera or rear of your vehicle is dam‐
aged. In this event, ha vethe camera, its posi‐
tion and its setting checked at a qualified spe‐
cialist workshop.
The field of vision and other functions of there ar
view camera may be restricted due toadditional
accesso ries on there ar of theve hicle (e.g. a
loading tailgate).
% The display contrast may be impaired due
to
incident sunlight or other light sources. In
th is case, pay particular attention.
% Ha
ve the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use.
% Objects that are not at ground le vel appear
fur ther aw ay than they actually are. This
includes, forex ample:
R The bumper of a vehicle par ked behind.
R The dr awbar of a trailer.
R The ball neck of a trailer coupling.
R The rear end of a truc k.
R Slanted posts.
Only use the guide lines of the camera image
fo r orientation. Do not tr avel fur ther than the
lo west horizontal guide line when approach‐
ing objects. You may otherwise damage your
ve hicle and/or the object. Driving and parking
147

In trailer mode,
the guide lines are shown at
th e le vel of the trailer hitch.
Vi ew of trailer (if trailer hit chis installed) Vi
ew of trailer (if trailer hitch is ins talled)
1 Yellow guide line, locating aid
2 Red guide line at a dis tance of appr oximately
1. 0 in (0.3 m) from the ball head of the trailer
hitch
3 Ball head of the trailer hitch
Side view of the mir ror came ras
The sides of theve hicle can be seen in this vie w. 1
Lane indicating thero ute theve hicle will take
with thesteering wheel in its cur rent position
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 3.3 ft(1.0 m) or less
3 Your vehicle from abo ve
4 Marker of the wheel contact points
5 Guide line of extern al vehicle dimensions
with outside mir rors folded out
If th e dis tance tothe object lessens, the color of
wa rning display 2changes.
Sy stem failure
If th ere is no operational readiness, thefo llowing
message appears in the multimedia sy stem: Sy
stem limitations
The 360° Camera will not function or will only
partially function in thefo llowing situations:
R The front doors are open.
R The side mir rors are folded in.
R There is heavy rain, snow or fog.
R The ambient light is poor, e.g. at night.
R The area is lit byfluorescent light (the displ ay
may flic ke r).
R Ifth ere is a sudden change in temp erature,
e.g. when driving into a heated garage in win‐
te r.
R The ambient temp erature is very high.
R The camera lens is obstructed, dirty or fogged
up.
R Cameras, or vehicle components in which the
came ras are ins talled, are damaged. In this
eve nt, ha vethe cameras, their positions and
th eir setting checked at a qualified specialist
wo rkshop.
Do not use the 360° Camera under such circum‐
st ances. You could otherwise injure others or col‐
lide with objects when parking theve hicle.
On vehicles with height-adjus table suspension or
if th eve hicle is car rying a heavy load, leaving the
st andard height can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges, depending on tech nical conditions.
The field of vision and other functions of the cam‐
era sy stem may be restricted due toadditional
attachments on theve hicle (e.g. loading tailgate).
% The contrast of
the display may be impaired
by abrupt direct sunlight or by other light
sources, e.g. when driving out of a garage . In
th is case, pay particular attention.
% Ha
ve the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. 15 0
Driving and pa rking

sequently enters
the monitoring range di rectly
next toyour vehicle, thewa rning lamp in the out‐
side mir ror lights up red.
% When a trailer is connected,
thera dar sen‐
sor's field of vision may be impaired, thereby
making limited monitoring possible. Alw ays
pay careful attention tothe tra ffic situation
and maintain a safe dis tance at the side of
th eve hicle.
If a vehicle is de tected close to yourvehicle in the
lateral monitoring range and you swit chon the
turn signal indica tor in the cor responding direc‐
tion, a warning tone sounds. The redwa rning
lamp in the outside mir rorflashes. If the turn sig‐
nal indicator remains switched on, all other
de tected vehicles are indicated only bytheflash‐
ing of there dwa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given.
Exit warning
The exitwa rning is an additional function of Blind
Spot Assist and warnsve hicle occupants when
leaving theve hicle about any approaching vehi‐
cles. &
WARNING Risk of accident despite exit
wa rning
The exitwa rning reacts nei ther tostationary
objects nor tovehicles approaching you at a
great lydif fere nt speed.
As a result, theex itwa rning cannot warndriv‐
ers in these situations. #
Always pay particular attention tothe
traf fic situation when opening the doors
and make sure there is suf ficient clear‐
ance. %
An
exitwa rning is not issued for sliding doors
and rear-end doors. Overview
When theve hicle is
st ationar y,an object
is de tected from
behind in the monitor‐
ing range. Display in outside mir‐
ror
When theve hicle is
st ationar y,a door on
th ere leva nt side of
th eve hicle is opened.
An object which is
close to yourvehicle
is de tected in the
monitoring range. Vi
sual and audible
wa rning %
This additional function is only
available when
Blind Spot Assist is activated and up to a
maximum of thre e minutes af terth e ignition
has been switched off. The end of theav aila‐
bility of theex itwa rning function is indicated
by a series of flashes in the outside mir ror.
The exitwa rning function is only an aid and is no
substitute forth e attentiveness of theve hicle
occupants. Responsibility alw ays lies with the
ve hicle occupants when opening doors and leav‐
ing theve hicle.
Sy stem limitations
Blind Spot Assist and theex itwa rning function
may be limited in thefo llowing situations:
R ifth ere is dirt on the sensors or the sensors
are obscured
R ifth ere is poor visibility, e.g. due tofog, heavy
ra in, snow or spr ay
R if nar rowvehicles are within the monitoring
ra nge, e.g. bicycles
% St
ationary or slowly moving objects are not
displa yed.
Wa rnings may be issued in er ror when driving
close tocrash ba rriers or similar solid lane bor‐
ders. Warnings may be inter rupte d when driving
alongside long vehicles, forex ample truc ks,fo r a
prolonged time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
The exitwa rning function may be limited in the
fo llowing situations:
R when the sensor is bloc kedby adjacent vehi‐
cles in nar rowparking spaces
R when people are approaching Driving and parking
15 3

Ac
tivating/deactivating Blind Spot Assi st
Multimedia sy stem:
4 © 5
Settings 5
Assistance #
Activate or deacti vate Blind Spot Assist . Fu
nction of Drive Away Assist %
Drive
Away Assistis only available forve hi‐
cles with automatic transmission.
Drive Away Assistcan reduce the se verity of an
impact when pulling away. If an obs tacle is de tec‐
te d in the direction of tra vel,th eve hicle's speed
is brief lyreduced toappr ox. 1 mph (2 km/h). If a
critical situation is de tected, a symbol appea rson
th e camera image of the multimedia sy stem. &
WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssi st
Drive AwayAssi stcannot al ways clea rly iden‐
tify objects and traf fic situations.
In such cases, Drive AwayAssi stmight:
R Warnyou without reason and limit the
ve hicle speed.
R Not warnyou or not limit theve hicle
speed. #
Always pay careful attention tothe traf‐
fi c situation; do not relyon Drive Away
Assi stalone. #
Be prepared tobrake or swer veas nec‐
essar y,prov ided the tra ffic situation
permits and that it is safe totake eva‐
sive action. Drive
Away Assistis only an aid. It is not a substi‐
tute foryo ur attention tothe sur roundings. The
re sponsibility for safe maneu vering and pa rking
re mains with you. Make sure that no persons,
animals or objects etc. are in the maneuvering
ra nge.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
R Ifth e driver mixes up the accelerator and
brake pedals.
R Ifth e wrong gear is selec ted.
The Drive AwayAssi stfunction is active under the
fo llowing conditions:
R IfPa rking Assist PARKTRONIC is activated. R
Every time thege ar is changed to005E or005B
when theve hicle is at a standstill.
R Ifth e de tected obs tacle is less than appr ox.
3.3 ft(1.0 m) away.
R Ifth e maneuvering assis tance function is acti‐
va ted in the multimedia sy stem.
Sy stem limitations
Drive AwayAssi stis not available on inclines and
when driving with a trailer. Fu
nction of Rear Cross Traf fic Alert The
radar sensors in the bumper are used forthe
sy stem. This wayth e area adjacent totheve hicle
is continually monitored. If thera dar sensors are
obscured byvehicles or other objects, de tection
is not possible.
% Also
read the no tes on Blind Spot Assist
(/ page 152).
Ve hicles with Blind Spot Assis t:drivers can
also be warned of any crossing tra ffic when back‐
ing up out of a parking space. If a vehicle is
de tected, thewa rning lamp in the outside mir ror
on there leva nt side lights up red. If it de tects a
critical situation, a warning tone also sounds.
Ve hicles with Blind Spot Assist and Parking
Assist PARKTRONIC: drivers can also be warned
of any crossing tra ffic when backing up out of a
parking space. If a critical situation is de tected, a
wa rning symbol appears on the camera image of
th e multimedia sy stem. If the driver does not
re spond tothewa rning, theve hicle's brakes can
be applied automatically. In this case, a warning
to ne sounds.
The Rear Cross Traf fic Alert function is acti ve
under thefo llowing conditions:
R Blind Spot Assist is activated.
R Reversege ar is engaged or theve hicle is
backing up at walking pace.
R Ifth e maneuvering assis tance function is acti‐
va ted in the multimedia sy stem.
The Rear Cross Traf fic Alert function is una vaila‐
ble when driving with a trailer. 15 4
Driving and pa rking

Lane
Keeping Assist and Active Lane Keeping
Assist Fu
nctions of Lane Keeping Assist Lane
Keeping Assist monitors the area in front of
yo ur vehicle with multifunction camera 1. It
ser vesto protect you against unin tentionally le av‐
ing your lane. You may also be warned by a
vibrating messa gefrom thesteering wheel and by
th est atus symbol flashing in the instrument dis‐
pla y.
The warning is issued when thefo llowing condi‐
tions are met at the same time:
R Lane Keeping Assist de tects lane markings.
R A front wheel passes overth e lane markings.
Yo u can activate and deactivate the Lane Keeping
Assist warning.
If yo ufa ilto adapt your driving style, Lane Keep‐
ing Assist can neither reduce therisk of accident
nor override the la wsof ph ysics. It cannot take
into account road, weather or traf fic conditions.
Lane Keeping Assist is only an aid and is not
intended tokeep theve hicle in the lane without
th e driver's cooperation. You are responsible for
th e dis tance totheve hicle in front, forve hicle
speed, braking in good time and forst ay ing in
yo ur lane.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
R There is poor visibilit y,e.g. due toinsuf ficient
illumination of thero ad, highly variable shade
conditions, or due torain, sno w,fog or heavy
spr ay.
R Glare from oncoming traf fic, direct sunlight or
re flections. R
There is dirt on the windshield in the vicinity
of the multifunction camera or the camera is
fo gged up, damaged or obscured.
R No or se veral, unclear lane markings are pres‐
ent for one lane, e.g. in a construction area.
R The lane markings are worn, dark or co vered.
R The dis tance totheve hicle in front is too
small, and therefore the lane markings cann ot
be de tected.
R The lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
R The road is very nar row and winding.
Fu nctions of Active Lane Keeping Assist Ac
tive Lane Keeping Assist monitors the area in
front of your vehicle bymeans of multifunction
camera 1. It ser vesto protect you against unin‐
te ntionally le aving your lane. You may also be
wa rned bya vibrating message from thesteering
wheel and bythest atus symbol flashing in the
instrument displa y.In addition, you may be gui‐
ded back into your lane bya lane-cor recting
brake application. A releva nt messa geappears in
th e instrument displa y.
The warning is issued when thefo llowing condi‐
tions are met at the same time:
R The driving sy stem de tects lane markings.
R A front wheel passes overth e lane markings.
A lane-cor recting brake application occu rswhen
th efo llowing conditions are me t:
R Active Lane Keeping Assist de tects lane
markings on bo thsides of theve hicle.
R A front wheel drives over a solid lane mark‐
ing. Driving and parking
15 5

A
releva nt messa geappears in the instrument
displa y.
The brake application is available in the speed
ra nge between appr oximately 40 mph (60 km/h)
and 100mp h (160 km/h).
Yo u can either deactivate theAc tive Lane Keep‐
ing Assist warning or switch off the sy stem com‐
ple tely.
If yo ufa ilto adapt your driving style, Ac tive Lane
Ke eping Assist can neither reduce therisk of an
accident nor override the la wsof ph ysics. It can‐
not take into account road, weather or traf fic
conditions. The driving sy stem is an aid for when
yo u unin tentionally le aveor cross the lane and
not a sy stem for automatically keeping tothe
lane. You are responsible forth e dis tance tothe
ve hicle in front, forve hicle speed, braking in good
time and forst ay ing in your lane. If a lane-cor
recting brake application from Active
Lane Keeping Assist occurs, display 1appears
in the multifunction displa y.
Sy stem limitations
No lane-cor recting brake application from Active
Lane Keeping Assist occurs in thefo llowing situa‐
tions:
R You clearly and actively steer, brake or accel‐
erate.
R You swit chon the turn signal.
R A driving saf ety sy stem inter venes, su chas
ESP ®
or Active Brake Assi st.
R You ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
R ESP ®
has been switched off.
R When driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tab lished.
R If a loss of tire pressure or a defective tire has
been de tected and displa yed. The sy
stem may be impaired or may not function
in thefo llowing situations:
R There is poor visibilit y,e.g. due toinsuf ficient
illumination of thero ad, highly variable shade
conditions, or due torain, sno w,fog or heavy
spr ay.
R Glare from oncoming traf fic, direct sunlight or
re flections.
R There is dirt on the windshield in the vicinity
of the multifunction camera or the camera is
fo gged up, damaged or obscured.
R No or se veral, unclear lane markings are pres‐
ent for one lane, e.g. in a construction area.
R The lane markings are worn, dark or co vered.
R The dis tance totheve hicle in front is too
small, and therefore the lane markings cann ot
be de tected.
R The lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
R The road is very nar row and winding.
Ac tivating/deactivating Lane Keeping Assist
or Active Lane Keeping Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance #
Select Lane Keeping Assist orAct. Lane
Keep Asst. On.
Ac tivating or deactivating warning #
Select Lane Keeping Assist orAct. Lane
Keep Asst. On. #
Select Warning. Wo
rkmode ADR (working speed control)
Fu
nction of ADR (working speed control)
When activated, ADR automatically increases the
engine speed toa preset speed or a speed you
ha ve set.
% Af
ter a cold start, the idle speed of the
engine is increased automaticall y.Ifth e pre‐
set working speed is lo werth an the
inc reased idle speed, thewo rking speed is
only reached once the engine has comple ted
th ewa rm-up phase.
It is only possible toactivate ADR with the
ve hicle stationary and the parking brake
applied.
On vehicles with automatic transmission, the
selector le ver must be in position 005D. 15 6
Driving and pa rking