Also,
the speed is reduced if the turn signal to
ch ange lanes is swit ched on and one of thefo l‐
lowing situations is de tected:
R Turning off at junctions
R Driving on slowing-down lanes
R Driving on lanes adjacent toslowing-down
lanes
The driver is responsible forch oosing theright
speed and observing other road users. This
applies in particular tojunctions, roundabouts
and traf fic lights, as route-based speed adap ta‐
tion does not brake theve hicle toast andstill.
When route guidance is active, thefirs t speed
adjustment is car ried out automaticall y.Ifthe
turn signal indica tor is switched on, the selected
ro ute is confirmed and fur ther speed adjustment
is activated.
Speed adjustment is cancelled in thefo llowing
cases:
R Ifth e turn signal indicator is switched off
before thero ute event.
R Ifth e driver depresses the accelera tor or
brake pedal during the process. Sy
stem limitations
Ro ute-based speed adap tation does not take
ri ght of wayre gulations into account. The driver
is responsible for complying with road traf fic
re gulations and driving at a suitable speed.
In dif ficult conditions (e.g. unclear roads, nar row
lanes, wetro ad sur faces, snow or ice) or when
driving wi tha trailer, the speed adjustment made
by the sy stem may not alw ays be suitable. In
th ese situations the driver must inter vene
acco rding ly. 000A
WARNING Risk of accident in spi teof
ro ute-based speed adjustment
Ro ute-based speed adjustment might mal‐
function or be temp orarily una vailable in the
fo llowing situations:
R If map data is not up todate or available
R Ifyo u do not follow the selected route
guidance
R Ifth e set route is re-planned
R Inroad con stru ction areas R
When towing a trailer
R In bad weather or road conditions
R Ifth e accelera tor pedal is depressed 0007
Adjust the speed tothe traf fic situation. Setting
route-based speed adjustment Re
quirements:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d.
Multimedia sy stem:
0018 Vehicle 0019
k Assistance
0019 Speed adjustment 0007
Activate 0073or deacti vate 0053 the function. Ac
tive Steering Assist Fu
nction of Active Steering Assist
0009 Active Steering Assist is count ry-dependent
and only available forve hicles with the Driv‐
ing Assis tance Package. 226
Driving and parking
R
The windscreen in the area of the camera is
dirty, mis ted up, damaged or co vered.
R Absence of lane markings, or se veral unclear
lane markings, or if the markings change rap‐
idl y.
R The dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
R The road is nar row and winding.
R Obs tacles on the lane or projecting out into
th e lane.
The sy stem does not pr ovide assis tance in the
fo llowing conditions:
R On tight bends, junctions, tollst ations,
ro undabouts and when turning.
R When towing a trailer.
R When actively changing lane without swit ch‐
ing on the turn signal.
R When the tyre pressure is too lo w. 000A
WARNING Risk of accident if Active
St eering Assist unexpectedly stops func‐
tioning
If th e sy stem limitations of Active Steering
Assist are reached there is no guarantee that
th e sy stem will remain active or will keep the
ve hicle in lane. 0007
Alw ayske ep your hands on thesteering
wheel and obser vethe tra ffic carefull y. 0007
Alw aysst eer theve hicle paying atten‐
tion totraf fic conditions. 000A
WARNING Risk of accident if Active
St eering Assist unexpectedly inter venes
A malfunction in the de tection of lane mark‐
ings and objects can occu r.
This could cause unexpected steering inter‐
ve ntion. 0007
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. 0007
If indicator lamp 1is off: press button 2.228
Driving and parking
Fu
nction of Active Lane Change Assi st
0009 The following function is countr y-dependent
and only available in conjunction with the
Driving Assi stance Package.
Ac tive Lane Change Assi stsupports the driver
when changing lanes byapplying steering torque
if th e driver operates a turn signal.
Assis tance when changing lanes is pr ovided if all
th efo llowing conditions are me t:
R You are driving on a mo torw ay orroad with
multiple lanes in the direction of tr avel.
R The neighbouring lane is separated bya bro‐
ke n lane ma rking.
R Novehicle is de tected in the adjacent lane.
R The driven speed is between 80 km/h and
18 0 km/h.
R Active Lane Change Assi stis switched on in
th e multimedia sy stem.
R Active Steering Assist is switched on and
active. If no
vehicle is de tected in the adjacent lane and
a lane change is permit ted, the lane change
begins. This is shown tothe driver with a green
ar row 2next tothesteering wheel symbol.
The Lane change to the left message also
appears, forex ample. If Active Lane Change
Assi sthas been activated with the turn signal
indicator but a lane change is not immediately
possible, a gr eyarrow 1appears next tothe
st eering wheel symbol, which remains green.
When the lane change assis tance starts, the turn
signal indicator is automatically activated beside
th e display in the multifunction displa y.
If th e assis tance graphic is shown when chang‐
ing lanes, the lane change display appears with an additional ar
rowpointing towa rdsth e adja‐
cent lane (0013 page 230).
If a lane change is not possible, the ar row fa des
out af ter a few seconds and a new lane change
must be initiated. An immediate lane change is
on ly possible on mo torw ay sections without
speed limits.
If th e sy stem is impaired, Active Lane Change
Assi stmay be cancelled. If it is cancelled, the
Lane change cancelled message appears inthe
multifunction display and a warning tone sounds. 000A
WARNING Risk of accident from chang‐
ing lane toan occupied adjacent lane
Lane Chan geAssi stcannot al ways detect
clearly if the adjacent lane is free.
The lane change might be initiated although
th e adjacent lane is not free. 0007
Before changing lanes, make sure that
th e neighbouring lane is free and there
is no danger to otherroad users. 0007
Monitor the lane change. Driving and parking
229
0007
Press button 1. The
Active Parking Assist view appears on the
multimedia sy stem displa y.Area 2displ ays
de tected pa rking spaces 4and vehicle path
3.
0009 Vehicle path 3shown on the multimedia
sy stem display may dif fer from the actual
ve hicle path. 0007
Ifyo u ha vedriven past a parking space: bring
th eve hicle toast andstill. 0007
Select desired parking space 4. 0007
Where necessar y,select the parking direc‐
tion: forw ards or reve rse.
Ve hicle path 3is shown, depending on
selected parking space 4and the parking
direction. 0007
Confirm selected parking space 4.
0009 The turn signal indicator is switched on auto‐
matically when the parking procedure
begins. The turn signal indicator is switched
off automatically when you swit chto005B .
Yo u are responsible for selecting the turn signal
in accordance with the traf fic conditions. If nec‐
essar y,select the turn signal accordingly. 000A
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. 0007
Pay attention toobjects and other road
users. 0007
Where necessar y,stop theve hicle or
cancel the parking procedure with
Ac tive Parking Assist. 0007
If,forex ample, thePlease engage reverse
gear message appears in the multimedia sys‐
te m display: select the cor responding trans‐
mission position.
Ve hicles with automatic transmission: the
ve hicle drives into the selected parking
space.
On completion of the parking procedure, the
Active Parking Assist finished, take control of
the vehicle. displaymessa geappears. Further
manoeuvring may still be necessar y. 0007
After completion of the parking procedure,
safeguard theve hicle against rolling away.
When requ ired bylegal requirements or local
conditions: turn the wheels towa rdsth eke rb. 250
Driving and parking
0009
You can stop theve hicle and change the
transmission position du ring the parking pro‐
cedure. The sy stem then calculates a new
ve hicle path. The parking procedure can
th en be continued. If no new vehicle path is
av ailable, the transmission position will be
ch anged again. If theve hicle has not yet
re ached the parking space, the parking pro‐
cedure will be cancelled, should a gear be
ch anged.
Exiting a pa rking space with Active Parking
Assist
Re quirements:
R The vehicle has been par ked with Active
Pa rking Assist.
Please no tethat you are responsible forth eve hi‐
cle and sur roundings during the entire parking
procedure. 0007
Start theve hicle. 0007
Press button 1.
The Active Parking Assist view appears on
th e multimedia sy stem displa y. 0007
Ifth eve hicle has been par ked at right angles
to the direction of tra vel: in area 2, select
direction of tra vel3.
0009 The vehicle path shown on the multimedia
sy stem display may dif fer from the actual
ve hicle path. 0007
Confirm direction of exit3 todrive out of
th e parking space.
0009 The turn signal indicator is switched on auto‐
matically when theex itth e parking space
procedure begins. Driving and parking
251
Yo
u are responsible for selecting the turn signal
in accordance with the traf fic conditions. If nec‐
essar y,select the turn signal accordingly. 000A
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. 0007
Pay attention toobjects and other road
users. 0007
Where necessar y,stop theve hicle or
cancel the parking procedure with
Ac tive Parking Assist. 0007
If,forex ample, thePlease engage forward
gear message appears in the multimedia sys‐ te
m display: select the cor responding trans‐
mission position.
The vehicle mo ves out of the parking space.
The turn signal indicator is switched off auto‐
maticall y. Example:
vehicles with 360° Camera
Af terth eex iting procedure has been comple ted,
th eActive Parking Assist finished, take control
of the vehicle. message appears in the display of
th e multimedia sy stem. A warning tone and dis‐
pl ay 4 inthe display of the multimedia sy stem
prom ptyouto take ove r control of theve hicle.
Yo u ha vetoaccelerate, brake, steer and change
ge ar yourself again. Fu
nction of Drive Away Assist
0009 Drive AwayAssi stis only available forve hi‐
cles with automatic transmission.
Drive AwayAssi stcan reduce the se verity of an
impact when pulling away. If an obs tacle is
de tected in the direction of tr avel, theve hicle's
speed is brief lyreduced toappr ox. 2 km/h. If a
critical situation is de tected, the00CB symbol
appears on the camera image of the multimedia
sy stem. 000A
WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssi st
Drive AwayAssi stcannot al ways clearly iden‐
tify objects and traf fic situations.
In su chcases, Drive AwayAssi stmight:
R Warnyou without reason and limit the
ve hicle speed.
R Not warnyou or not limit theve hicle
speed. 252
Driving and parking
0007
Select Adopt limit . 0007
Activate 0073or deacti vate 0053 the function.
The speed limits de tected byTraf fic Sign
Assi stare automatically adop tedby Active
Dis tance Assi stDISTRONIC.
Displ aying de tected traf fic signs in the
media display 0007
Select Display in COMAND .0007
Activate 0073or deacti vate 0053 the function.
0009 When DISTRONIC, cruise control or theva ri‐
able limiter are activated, the speed de tec‐
te d can be manually adop ted as the speed
limit (0013 page 222).
Ad justing the type of warning 0007
Select Visual & audible ,Visual orNone.
Ad justing the warning threshold
This value de term ines the speed at which a
wa rning is issued when exceeded. 0007
Select Warning threshold. 0007
Set the desired speed. Blind Spot Assist and
Active Blind Spot
Assi stwith exitwa rning Fu
nction of Blind Spot Assist and Active
Blind Spot Assi stwith exitwa rning
Blind Spot Assist and Active Blind Spot Assi st
use two lateral, rear-facing radar sensors to
monitor the area up to40 m behind your vehicle
and 3 m directly next to yourvehicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 12km/h and this vehicle subsequently
enters the monitoring range di rectly next to your
ve hicle, thewa rning lamp in the outside mir ror
lights up red.
If a vehicle is de tected close tothe side of your
ve hicle, there dwa rning lamp in the outside mir‐
ro rflashes. If you swit chon the turn signal indi‐
cator in the cor responding direction, a warning
to ne sounds once. If the turn signal indicator
re mains switched on, all other de tected vehicles
are indicated only bytheflashing of thered
wa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given. 000A
WARNING Risk of accident despi teBlind
Spot Assi st
Blind Spot Assi stdoes not react tovehicles
approaching and overtaking you at a greatly
di fferent speed.
As a result, Blind Spot Assist cannot warn
drivers in this situation. 0007
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Blind Spot Assist and
Active Blind Spot Assi st
are on lyaids. They may failto detect some vehi‐
cles and are no substitute for attentive driving.
Alw ays ensure that there is suf ficient di stance to
th e side forot her road users and obs tacles.
Exit warning
The exitwa rning is an additional function of
Blind Spot Assist and can warnvehicle occu‐
pants about approaching vehicles when leaving
th eve hicle when stationar y. 258
Driving and parking
If a lane-cor
recting brake application occu rs, dis‐
play 1appears in the multifunction displa y.
Sy stem limitations
No lane-cor recting brake application occu rsin
th efo llowing situations:
R You clear lyand actively steer, brake or accel‐
erate.
R You ha veswitched on the turn signal indica‐
to r (situation-dependent).
R 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
has been de tected and displ ayed.
The sy stem may be impaired or may not function
in thefo llowing situations:
R Ifth 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 heavy spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
th e sun or reflections.
R Ifth e windscreen in the area of the multi‐
function camera is dirty, or if the camera is
mis ted up, damaged or co vered.
R Ifth ere are no lane markings, or se veral
unclear lane markings are present for one
lane, e.g. around roadwor ks. R
Ifth e lane markings are worn, dark or cov‐
ered.
R Ifth e dis tance totheve hicle in front is too
short and thus the lane markings cann otbe
de tected.
R Ifth e lane markings change quickl y,e.g.
lanes branch off, cross one ano ther or
mer ge.
R Ifth e car riag ewa y is very nar row and wind‐
ing.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.262
Driving and parking