RDistance Pilot DISTRONIC must be activated.
#If indicator lamp1is off: press button 2.
Fu nction of Active Lane Change Assi st
St eering Pilot is only an aid. You are responsible
fo rth e dis tance totheve hicle in front, forve hi‐
cle speed, for braking in good time and forst ay ‐
ing in lane. Before changing lanes, make sure
th at the neighboring lane is free (shoulder view). %
The availability of thefo llowing function is
countr y-dependent.
St eering Pilot remains active even if the turn sig‐
nal indicator is switched on. Steering Pilot then
assists the driver when changing lanes byapply‐
ing steering torques toinitiate the lane change.
Assis tance when changing lanes is pr ovided if all
th efo llowing conditions are me t:
RYou are driving on a free wayor high-speed
multi-lan emajo rro ad with multiple lanes in
th e direction of tr avel.
RThe neighboring lane is free and separated
bya broken lane marking.
RThe driven speed is between 50 mph
(80 km/h) and 110mp h(1 80 km/h).
RThe turn signal indicator is switched on for
longer than two seconds.
If th e sy stem is impaired, Active Lane Change
Assi stmay be inter rupte d. If an inter ruption
occurs, display 1appears in the multifunction
display along with a warning tone prom pting you
to take control of theve hicle.
Ste ering and contact de tection
St eering Pilot requ ires you as the driver, tokeep
yo ur hands on thesteering wheel at all times so
th at you are able tointer vene at any time tocor‐
re ct the course of theve hicle and keep it in lane.
The driver must expect a change from active to
passive mode or vice versa at any time.
If yo u are not steering yourself or if you take
yo ur hands offthesteering wheel for a pro‐
longed period of time, the sy stem will, depend‐
ing on the situation, firs t alert youwit h a visual
wa rning. 1appears in the multifunction displa y.
If yo u are still not steering theve hicle yourself or
if yo u ha venot take n hold of thesteering wheel,
a wa rning tone sounds in addition tothewa rning
17 0
Driving and pa rking
messagetoremind youto take control of the
ve hicle.
The warning message does not appear or disap‐
pears if one of thefo llowing conditions are me t:
RThe driversteers theve hicle.
RThe driver presses a steering wheel button or
operates Touch Control.
Fu nction of Active Eme rgency Stop Assist
If th e driver continues toigno rethe acoustic
wa rning of theAc tive Lane Change Assi st, Dis‐
ta nce Pilot DISTRONIC reduces the speed. If the
driver still does not respond, theve hicle is decel‐
erated in stages toast andstill.
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
RSt eering
RBraking or accelerating
RPressing a steering wheel button or operat‐
ing Touch Control
RAc tivating or deacti vating Steering Pilot or
Dis tance Pilot DISTRONIC The driver must
beready totake control of the
ve hicle at any time.
Information on Hill Start Assist
Hill Start Assist holds theve hicle when pulling
aw ay on a hill under thefo llowing conditions:
RThe transmission is in position hork.
RThe elect ric park ing brake is released.
&
WARNING Risk of accident and injury
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no longe r
holds theve hicle and it can rollaw ay.
#Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist.
HOLD function
HOLD function
The HOLD function holds theve hicle at a stand‐
st ill without requ iring youto depress the brake pedal, such as when pulling
away on steep
slopes.
Sy stem limits
The incline must not be greaterth an 30%.
Ac tivating/deactivating the HOLD function
&
WARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
RIf th ere is a malfunction in the sy stem or
in the po wer supp ly.
RIf th e HOLD function is deactivated by
depressing the accelera tor pedal or the
brake pedal, e.g. byave hicle occupant.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
RIf th e battery is disconnected.
Driving and parking 17
1
Parking Pilot
Fu nction of Parking Pilot
Pa rking Pilot is an elect ronic pa rking assis tance
sy stem which uses ultrasound and is automati‐
cally activated during forw ard tra vel. The sy stem
is operational at speeds of up toappr oximately
22 mph (35 km/h). When all the conditions are
fulfilled, thec symbol appears in the multi‐
function display and the sy stem automatically
sear ches for and measu res parking spaces on
bo th sides of theve hicle parallel and perpendic‐
ular tothe direction of tra vel. If Parking Pilot is
activated, suitable parking spaces are displa yed
in the multimedia sy stem. The ësymbol
appears in the multifunction displa y.The ar rows
show on which side of thero ad free parking
spaces are located.
The parking space and, if necessar y,the parking
direction can be selected as desired. Parking
Pilot calculates a suitable vehicle path and
assists youin parking and exiting the parking
space. Ve
hicles with automatic transmission: Park‐
ing Pilot changes gear, accelerates, brakes and
st eers theve hicle.
Pa rking Pilot is only an aid. It is not a substitute
fo ryo 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.
Pa rking Pilot is canceled if, amon g
ot her thin
gs,
one of thefo llowing actions is car ried out:
RYo uswit choff Parking Assist PARKTRONIC.
RYou switch offParking Pilot.
RYo u begin steering.
RYo uappl yth e parking brake.
RVe hicles with automatic transmission:
Yo u enga gej.
RESP®inter venes.
Park ing Pilot sy stem limitations
Objects located abo veor below the de tection
ra nge of Parking Pilot are not de tected when the
parking space is being measured. These are also not
take n into account when the parking maneu‐
ve r is calculated, e.g. overhanging loads, over‐
hangs or loading ramp s of truc ksorthe bounda‐
ri es of a parking space. In some circums tances,
Pa rking Pilot may therefore guide you into the
parking space prematurel y.
&
WARNING Risk of accident due to
objects located abo veor below the
de tection range of Parking Pilot
If th ere are objects abo veor below the
de tection range, thefo llowing situations may
arise:
RPa rking Pilot may steer too early.
RVe hicles with automatic transmis‐
sion: Thevehicle may not stop in front of
th ese objects.
This could cause a collision.
#In these situations, do not use Parking
Pilot.
Sn owfa ll or heavy rain may lead toa parking
space being measured inaccuratel y.Pa rking
spaces that are partial lyoccupied bytrailer
Driving and pa rking 18
5
ate, brake,steer and change gears yourself
again.
Fu nction of Remo teParking Pilot
% Remo teParking Pilot is an additional func‐
tion of Parking Pilot. Comply with local traf‐
fi c la wsand regulations when using Remo te
Pa rking Pilot on public roads.
Re mo teParking Pilot supports the parking pro‐
cedure while you are outside your vehicle. Once
yo u ha veselected a suitable parking space, you
th en exitth eve hicle and guide it into the parking
space using a suitable mobile phone. Remo te
Pa rking Pilot accelerates, brakes, steers the
ve hicle and changes gear. You can cancel the
parking procedure at any time using your mob ile
phone.
Yo u can also use your mob ilephone tomo ve
yo ur vehicle backwards and forw ards in the
st ra ight-ahead position (exploration mode). This
is useful, forex ample if a garage is so nar row
th at it is dif ficult or impossible toget in or out of
th eve hicle af ter it has been par ked. Parking
Pilot automatically per form s any minor steering
cor rections that are requ ired. Re
mo teParking Pilot is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe maneu vering and
pa rking remains with you. Make sure that no
persons, animals or objects etc. are i
n
the
maneu vering range. Co mply wi thlocal traf fic
la ws and regulations when using Remo teParking
Pilot on public roads.
Fo rth eRe mo teParking Pilot function, you
re qu ire a mobile phone and the cur rent Remo te
Pa rking Pilot app.
The following operating sy stems are suppor ted:
RAndroid™
RApple®iOS
If th e connection between theve hicle and the
mobile phone is inter rupte d while a parking
maneuver is being per form ed, the maneuver can
be continued if the connection is re-es tablished
within about two minutes.
The following scenarios are suppor ted:
RPa rking in a parking space parallel tothe
direction of tra vel.
RPa rking in a parking space at right angles to
th e direction of tra vel.
RExiting a parking space at right angles tothe
direction of tra vel (exploration mode).
RPa rking in a stra ight-ahead position, for
ex ample into a garage or carport (exploration
mode).
RExiting a parking space in a stra ight-ahead
position, forex ample from a garage or car‐
port (exploration mode).
If te ch nical problems arise du ring a pa rking
maneuver (e.g. the permitted downhill gradient
is exc eeded), thefo llowing actions are per‐
fo rm ed automatically:
RThe parking maneuver is canceled.
RThe vehicle is brought toast andstill.
RTransmission position jis engaged.
RThe vehicle is switched off.
If th e parking maneuver is canceled, a message
to this ef fect is displ ayed on the mobile phone.
Yo u can then take over and maneuver theve hi‐
cle into the parking space yourself. Alternativel y,
Driving and parking 18
9
&WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssist
Drive AwayAssist cannot al ways clearly iden‐
tify objects and traf fic situations.
In such cases, Drive AwayAssist might:
RWarnyouwit hout reason and limit the
ve hicle speed.
RNot warnyou or not limittheve hicle
speed.
#Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Driv eAw ay
Assist alone.
#Be prepared tobrake or swer veif nec‐
essar y.
Drive AwayAssist is only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings.
The responsibility for safe maneu vering and
pa rking remains with you. Make sure that no
persons, animals or objects etc. are in the
maneu vering range. A
risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
RIfth e driver mixes up the accelera tor and
brake pedals.
RIf th e wrong gear is selecte d.
The Drive AwayAssist function is active under
th efo llowing conditions:
RIf Pa rking Assist PARKTRONI Cis activated.
REver ytime thege ar is changed tok orh
when theve hicle is at a standstill.
RIf th e de tected obs tacle is less than appr ox.
3.3 ft(1.0 m) away.
RIfth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
Drive AwayAssist is unavailable on inclines and
when driving with a trailer.
Cross Traf fic Alert
% Also read the instructions on Blind Spot
Assist (
→page 198).
Ve hicles with Blind Spot Assis t:Dr ivers can
also be warned of any crossing traf fic when re
ve rsing out of a parking space. If a critical sit‐
uation is de tected, a warning symbol appears on
th e camera image of the multimedia sy stem. If
th e driver does n
otrespond tothewa rning, the
ve hicle's brakes can be applied automaticall y.To
do this, the function uses thera dar sensors in
th e bumper. The area adjacent totheve hicle is
continually monitored.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible.
The Cross Traf fic Alert function is acti veunder
th efo llowing conditions:
RIf Blind Spot Assist is activated.
RIf th eve hicle is reve rsing at walking pace.
RIfth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
Cross Traf fic Alert is una vailable on inclines and
when driving with a trailer.
19 4
Driving and pa rking
System limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h(2 00 km/h) speed range.
The functionality of ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:
RIf yo u ha vebeen driving for less than 30
minutes.
RIf th ero ad condition is poor (une venro ad
sur face or po tholes).
RIfth ere is a strong side wind.
RIfyo u adopt a sporty drivingst yle (high cor‐
nering speeds or high rates of acceleration).
RIfth eSt eering Pilot function of Dis tance Pil ot
DISTRONIC is acti ve.
RIfth e time has been set incor rectly.
RIn acti vedriving situations, if youch ange
lanes and vary your speed frequentl y.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
RIf yo uswit choff the engine.
RIfyo u unfas tenyo ur seat belt and open the
driver's door (e.g. change drivers or take a
break).
Ac tivating/deactivating ATTENTION ASSIST
Multimedia sy stem:
, 9 H K L F O H.k $ V V L V W D Q F H. $ 7 7 ( 1
7 , 2 1 $ 6 6 , 6 7
Selection options
#Select 6 W D Q G D U G, 6 H Q V L W L Y Hor 2 I I.
Traf fic Sign Assist
Fu nction of Traf fic Sign Assist
Tr af fic Sign Assist detects traf fic signs wi thmul‐
tifunction camera 1and assist syo uby display‐
ing de tected speed limits and overtaking restric‐
tions in the instrument clus ter.The camera also
de tects traf fic signs wi thare striction indicated
by an additional sign (e.g. in wet conditions).
196
Driving and pa rking
Warning when the maximum permissible
speed is exceeded
The sy stem can warnyouif yo u unin tentional ly
exc eed the maximum permissible speed. Todo
th is, you can specify inthe multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. You
can specify whe ther thewa rning is tobe just a
visual warning or an acoustic one as well.
Display in the Instrument Display
1Pe rm issible speed
2Perm issible speed when there is a restriction
3Ad ditional sign with restriction %
The illu stra tion sho wsthe Instrument Display
in theWi descreen Cockpit
Since Traf fic Sign Assist also usesthe data
st ored in the navigation sy stem, it can update
th e display in thefo llowing situations without
de tecting traf fic signs:
RWhen theve hicle changes roads, e.g. high‐
wa yex it or slip road.
RWhen a village or city boundary is passed
which is stored in the digital map.
Traf fic Sign Assist is notavailable in all coun‐
tries. If it is una vailable, display 1is shown in
th e speedome ter. Sy
stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
RIf th ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, if there are
highly variable shade conditions or in rain,
sno w,fog or spr ay.
RIfth ere is glare, e.g. from oncoming traf fic,
dire ct sunlight or reflections from other vehi‐
cles.
RIf th e windshield in the area of the multifunc‐
tion camera is dirty, or if the camera is fog‐
ge d up, damaged or co vered.
RIfth e tra ffic signs are hard todetect, e.g. due
to dirt or sno w,or because they are co vered
or because of insuf ficient lighting.
RIf th e information in the navigation sy stem's
digital map is incor rect or out-of-date .
RIfth e signs are ambiguous, e.g. traf fic signs
on construction sites or in adjacent lanes.
Driving and park ing19
7
In both thest andard and adaptive settings, no
wa rning vibration occurs in thefo llowing situa‐
tions:
RYo u ha veswitched on the turn signal indica‐
to r.
RA driving safe ty system inter venes, such as
ABS, BAS or ESP®.
In the adaptive setting, there will also be no
wa rning vibration in thefo llowing situations:
RThe vehicle is accelerated or braked consid‐
erably.
RYo usteer actively, e.g. swer vetoavo id an
obs tacle or change lane quickl y.
RYou cut the corner on a sharp bend.
Setting the sensitivity of Active Lane Keep‐
ing Assist
Multimedia sy stem:
, 9 H K L F O H.k $ V V L V W D Q F H. $ F W
/ D Q H . H H S $ V V L V W
Selection options
#Select $ G D S W L Y H or 6 W D Q G D U G.
204
Driving and parking