2018 MERCEDES-BENZ C-CLASS SALOON sensor

R
Ifth estored speed is called up and is
considerably faster or slo werth an the
cur rently driven speed.
R IfAc tive Dis tance Assi stDISTRONIC no
longer de tects a vehicle in front or does
not react toreleva nt objects. 0007
Alw ays carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times. 0007
Take into account the tra ffic situation
before calling up thestored speed. 000A
WARNING Risk of accident due toinsuf‐
fi cient decele ration 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 decele ration is
not su fficient, Active Dis tance Assi st
DISTRONIC alerts you with a visual and
acoustic warning. 0007
Inthese cases, adjust your speed and
ke ep a suf ficient di stance. 0007
Brake theve hicle yourself and/or take
ev asive action. 000A
WARNING Risk of accident if de tection
function of Active Dis tance Assi st
DISTRONIC is impaired
Ac tive Dis tance Assi stDISTRONIC does not
re act or has a limited reaction:
R when driving on a dif fere nt lane or when
ch anging lanes
R topedestrians, animals, bicycles or sta‐
tionary vehicles, or unexpected obs tacles
R tocompl extraf fic conditions
R tooncoming vehicles and crossing traf fic
As a result, Active Dis tance Assi st
DISTRONIC may nei ther give warnings nor
inter vene in su chsituations. 0007
Alw ays obser vethe tra ffic conditions
carefully and react accordin gly. Operating
Active Di stance Assist DIST RONIC
Re quirements:
R The vehicle has been star ted.
R The elect ric pa rking brake is released.
R ESP ®
is activated and is not inter vening.
R The transmission is in position 005B.
R All doors and the bonn etare closed.
R Check of thera dar sensor sy stem has been
successfully comple ted.
R Parking Assist PARKTRONIC is not being
used topark theve hicle or toexit from a
parking space.
R The vehicle does not skid. 220
Driving and parking

000A
WARNING Risk of accident if Lane
Change Assi stunexpectedly stops func‐
tioning
If th e sy stem limitations for Lane Change
Assist ha vebeen reached, there is no guar‐
antee that the sy stem will remain active.
Lane Change Assist cannot then assist you
by applying steering torques. 0007
Alw ays monitor the lane change and
ke ep your hands on thesteering wheel.
Obser vethe tra ffic conditions and steer
and/or brake if necessar y.Sy
stem limitations
The sy stem limitations of Active Steering Assist
apply toActive Lane Change Assi st
( 0013 page 224).
The sy stem may also be impaired or may not
function in thefo llowing situations:
R The sensors in there ar bumper are dirty,
damaged or co vered, for ins tance by a
st icke r or ice and sno w.
R The exterior lighting is malfunctioning. Ac
tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
0018 Vehicle 0019
k Assistance 0007
Select Lane change assist. 0007
Activate 0073or deacti vate 0053 the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continually ignores the visual or
acoustic warning toput their hands on thesteer‐
ing wheel, theBeginning emergency stop mes‐
sage appears in the multifunction displa y.Ifthe
driver still does not respond, Active Dis tance
Assi stDISTRONIC reduces the speed. The vehi‐
cle is decelerated in stages toast andstill. 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 theve hicle is secured with the electric park‐
ing brake
R Active Dis tance Assi stDISTRONIC is ended
R theve hicle is unloc ked 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 pressing a steering wheel button
R operating Touch Control
R activating or deactivating Active Dis tance
Assi stDISTRONIC Overvi
ewofActive Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter The assis
tance graphic and thest atus display
show thest atus of thefo llowing functions in the
instrument clus ter:
R Active Dis tance Assi stDISTRONIC
R Route-based speed adap tation
R Active Steering Assist 228
Driving and parking

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 0007
Press button 1.
Indica tor lamp 2goes out. The vehicle is
adjus tedto the height of the active drive pro‐
gram. Pa
rking Assist PARKTRONIC Fu
nction of Parking Assist PARKTRONIC Pa
rking Assist PARKTRONIC is an electronic
parking assi stance sy stem with ultrasound. It
monitors the area around your vehicle using six
sensors 1inthe front bumper and six sensors
in there ar bumper. Parking Assist PARKTRONIC
sho wsyouth e dis tance between your vehicle
and a de tected obs tacle visually and audibly.
Pa rking Assist PARKTRONIC is on lyan aid. It is
not a substitute foryo ur attention tothe sur‐
ro undings. The responsibility for safe manoeu‐
vring and parking remains with you. Make sure
th at there are no persons, animals or objects in th
e manoeuvring area while manoeuvring and
parking in/exiting parking spaces.
In thest andard setting, an intermit tent wa rning
to ne sounds from a di stance of appr oximately
0.3 m toan obs tacle in front and appr oximately
1. 0 m toan obs tacle behind. A continuous tone
sounds from a di stance of appr oximately 0.2 m.
Using theWa rnear lysetting in the multimedia
sy stem, thewa rning tones for front and side
impact pr otection can also be set tosound at a
greater dis tance of appr oximately 1.0 m
(0013 page 238).
0009 The Warnear lysetting is alw ays active in
th ere ar of theve hicle.
If Pa rking Assist PARKTRONIC is deacti vated,
Ac tive Parking Assist is una vailable. Driving and parking
235

Pa
rking Assist PARKTRONIC displ ayinthe
mu ltimedia sy stem Ve
hicles with Active Parking Assist without a
360° Camera Ve
hicles with Active Parking Assist and a 360°
Camera
If Ac tive Parking Assist is deactivated and an
obs tacle is de tected in the path of theve hicle, a
pop-up window forPa rking Assist PARKTRONIC
1 appears in the multimedia sy stem at speeds
below 10km/h.
Sy stem limitations
Pa rking Assist PARKTRONIC does not necessa‐
ri ly take into account thefo llowing obs tacles:
R Obs tacles bel ow the detection range, e.g.
pe rsons, animals or objects. R
Obs tacles ab oveth e de tection range, e.g.
ove rhanging loads, overhangs or loading
ra mp s of lor ries.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectly.
Clean the sensors regularly, taking care not to
scratch or damage them.
Ve hicles with trailer hitch: Parking Assist
PA RKTRONIC is deacti vatedfo rth ere ar zone
when you es tablish an elect rical connection
between your vehicle and a trailer.
Fu nction of the passive side impact pr otec‐
tion
Pa ssive side impact pr otection is an additional
Pa rking Assist PARKTRONIC function which
wa rnsth e driver about obs tacles at the side of
th eve hicle. A warning is issued when obs tacles
are de tected between the front and rear de tec‐
tion range. In order for an object on the side to
be de tected, the sensors in the front and rear
bumper must firs t de tect the object while you
are driving past it.
During the parking procedure or manoeuvring,
objects are de tected as theve hicle drives past. 236
Driving and parking

Af
terth e engine is restar ted, obs tacles must be
de tected again before a new warning can be
issued.
Sy stem limitations
The sy stem limitations forPa rking Assist
PA RKTRONIC apply for passive side impact pro‐
te ction.
The following objects are not de tected, forex am‐
ple:
R Pedestrians who approach theve hicle from
th e side
R Objects placed next totheve hicle
Deactivating/activating Parking Assist
PA RKTRONIC
000E NO
TERisk of an accident from objects
at close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. 0007
When pa rking or manoeuvring theve hi‐
cle, pay particular attention toany
objects which are abo veor below the
sensors, e.g. flowe rpots or dr awbars. The
vehicle or other objects could oth‐
erwise be damaged. If indicator lamp
1is not lit, Parking Assist
PA RKTRONIC is active. If the indicator lamp is lit
or theé symbol appears in the multifunction
displa y,Pa rking Assist PARKTRONIC is not
active. 0007
Press but ton2. 0009
Depending on theve hicle's equipment, the
button may also be located in the cent re
console.
0009 Parking Assist PARKTRONIC is automatical ly
activated when theve hicle is star ted.
Ad justing the warning tones of Parking
Assist PARKTRONIC
Multimedia sy stem:
0018 Vehicle 0019
k Assistance
0019 Camera & Park. Assist 0019
Set warning tone
Ad justing the volume of thewa rning tones 0007
Select Warning tone volume. 0007
Set a value.
Ad justing the pitch of the warning tones 0007
Select Warning tone pitch.
Set a value.
Specifying thest arting point for the warning
to nes
Yo u can specify whe ther thePa rking Assist
PA RKTRONIC warning tones should commence
when theve hicle is fur ther aw ay from an obs ta‐
cle. 238
Driving and pa rking

0007
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Drive Away
Assi stalone. 0007
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
AwayAssi stis only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuvring range.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
R Ifth e driver mixes up the accelera tor and
brake pedals.
R Ifth e wrong gear is selec ted.
The Drive AwayAssi stfunction is active under
th efo 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.
1. 0 m away.
R Ifth e manoeuvring assis tance function is
acti vated in the multimedia sy stem.
Sy stem limitations
Drive AwayAssi stis not available on inclines and
when driving with a trailer.
Fu nction of Cross Traf fic Alert
0009 Also read the instructions on Blind Spot
Assist (0013 page 256). Ve
hicles with Blind Spot Assis t:drivers 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, symbol 1appea rsinthe
multimedia sy stem displa y.Ifth e driver does not
re spond tothewa rning, theve hicle's brakes can
be applied automaticall y.To do this, the function
uses thera dar sensors in the bumper. The area
adjacent totheve hicle is continually monitored. Driving and parking
251

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:
R If Blind Spot Assist is activated.
R Ifth eve hicle is reve rsing at walking pace.
R Ifth e manoeuvring assis tance function is
acti vated in the multimedia sy stem.
Sy stem limitations
The Cross Traf fic Alert function is not available
on inclines and when driving with a trailer.
Deactivating/activating manoeuv ring assis‐
tance
Multimedia sy stem:
0018 Vehicle 0019
k Assistance
0019 Camera & Park. Assist
0019 Manoeuvring assist. 0007
Activate 0073or deacti vate 0053 the function.
0009 Manoeuvring assis tance mu stbe active for
th e function of Drive AwayAssi st
( 0013 page 250) and Cross Traf fic Alert
(0013 page 251). AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on mo torw ays and trunk
ro ads. If ATTENTION ASSIST de tects indicators
of fatigue or increasing lapses in concentration
on the part of the driver, it suggests taking a
brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration
in time. The sy stem is not a substitute for a well-
re sted and attentive driver. On long journe ys,
ta ke regular breaks in good time that allow for
adequate recuperation.
Yo u can choose between two settings.
R Standard: normal sy stem sensitivity.
R Sensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d according ly.
If dr owsiness or increasing lapses in concentra‐
tion are de tected, theATTENTION ASSIST: Take
a break! warning appears in the instrument dis‐ pla
y.Yo u can ackn owledge the message and
tak e a break where necessar y.Ifyo u do not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes. Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
R The length of the journey since the last
break.
R The attention le vel de term ined byATTENTION
ASSIS T. 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 220).
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. 256
Driving and parking