trailer MERCEDES-BENZ C-CLASS SALOON 2012 User Guide

R
when people approach theve hicle
R intheeve nt of stationary or slowly moving
objects
Fu nction of brake application (Active Blind
Spot Assist)
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youav oid a collision.
The course-cor recting brake application is availa‐
ble in the speed range between appr oximately
30 km/h and 200 km/h. &
WARNING Risk of accident despite
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Blind Spot
Assi stwa rnsyo u or makes a course-
co rrecting brake application. #
Alw ays maintain a safe dis tance at the
sides. If a course-cor
recting brake application occurs,
th ere dwa rning lamp flashes in the outside mir‐
ro r and a warning tone sounds. In addition, a dis‐
pl ay 1 indicating the danger of a side collision
appears in the multifunction displa y.
In rare cases, the sy stem may make an inappro‐
priate brake application. This brake application
may be inter rupte d at any time if yousteer
slightly in the opposite direction or accelera te.Sy
stem limits
No tethe sy stem limitations of Active Blind Spot
Assi st;yo u may otherwise not recognise the
dangers (/ page213).
Either a cou rse-co rrecting brake application
appropriate tothe driving situation, or none at
all, may occur in thefo llowing situations:
R Vehicles or obs tacles, e.g. crash barr iers, are
located on bo thsides of your vehicle.
R Ave hicle approaches too closely on the side.
R You ha veadop ted a sporty driving style with
high cornering speeds.
R You brake or accelerate significantl y.
R A driving sa fety sy stem inter venes, e.g. ESP ®
or Active Brake Assi st.
R ESP ®
is deacti vated.
R A loss of tyre pressure or a defective tyre is
detected.
R You are driving with a trailer and the electri‐
cal connection tothe trailer hitch has been
cor rectly es tablished. Driving and parking
215
Internal use only

adjacent lane. The front wheel drives
over
th e lane marking.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Sy stem limits
No lane-cor recting brake application occurs in
th efo llowing situations:
R You clear lyand actively steer, brake or accel‐
erate.
R If 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 is
detected and display ed. If
yo u deactivate theAc tive Lane Keeping Assist
wa rning and the lane markings cann otbe clearly
de tected, it is possible that no lane cor recting
brake application take s place (/ page218).
The sy stem may be impaired or may not function
particular lyin 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 from theve 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.
R Vehicles with Driving Assistance Pack‐
age: ifth era dar sensors in there ar bumper
are dirty or co vered in snow and an obs tacle
is de tected in your lane, no lane-cor recting
brake application take s place.
Ac tivating/deactivating Active Lane Keeping
Assist &
WARNING Risk of accident despite
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application. Driving and park
ing217
Internal use only

R
The drive program selected
R The driving style
The drive program can be adjus ted using the
DY NA MIC SELECT switch. AIRMATIC
Fu
nction of AIRMATIC
AIRMATIC is an air suspension sy stem with varia‐
ble damping for impr oved driving comfort. The
all-round le vel control sy stem ensures the best
possible suspension and const ant ground clear‐
ance, even wi tha laden vehicle. When driving at
speed, theve hicle is lo wered automatically to
impr ovedriving saf ety and toreduce fuel con‐
sum ption. You also ha vethe option of manually
adjusting theve hicle le vel.
AIRMATIC includes thefo llowing components
and functions:
R Air suspension with automatic le vel control
R Speed-dependent lo wering toreduce fuel
consum ption
R Manually selec table high le vel setting for
greater ground clearance R
ADS PLUS (Adaptive Damping Sy stem with
const ant damping forc e adjustment)
R DYNA MIC SELECT switch and le vel button
Av ailable suspension settings
A (Comfort)
R The suspension setting is comfor table.
R The vehicle is set tothe normal le vel.
R When driving at speeds abo ve125 km/h the
ve hicle is lo wered.
R When driving at speeds below 80 km/h, the
ve hicle is raised again.
; (Econo my)
R The suspension setting is comfor table.
R The vehicle is set tothe low le vel.
R The vehicle is not lo wered any fur ther if you
are tr avelling at higher speeds.
C (Sport)
R The suspension setting is firm er.
R The vehicle is set tothe low le vel. R
The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
B (Sport Plus)
R The suspension setting is evenfirm er.
R The vehicle is set tothe low le vel.
R The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
% Operation with a trailer or bicycle rack:if
transport equipment, such as a trailer or a
bicycle rack , is attached tothe trailer hitch
and the electrical connection has been cor‐
re ctly es tablished, theve hicle remains at
normal le vel ir respective of speed or the
drive prog ram selected.
Setting theve hicle le vel &
WARNING Risk of accident because
ve hicle le vel is too high
Driving characteristics may be impaired.
The vehicle can drift outwards, forex ample,
when steering or cornering. Driving and parking
219
Internal use only

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 #
Press button 1.
Indica tor lamp 2goes out. The vehicle is
adjus tedto the height of the active drive pro‐
gram. Re
versing camera Fu
nction of there ve rsing camera
If yo u ha veactivated the function in the multime‐
dia sy stem, the image from there ve rsing camera
is shown in the media display when reve rsege ar
is engaged. Dynamic guide lines show the path
th eve hicle will take with the cur rent steering angle. This helps
youto orient yourself and to
avo id obs tacles when reve rsing.
The reve rsing camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects etc., in the
manoeuvring area while manoeuvring and park‐
ing.
The guide lines in the media display show the
dis tances to yourvehicle. The dis tances dis‐
pl ay ed only apply toroad le vel.
Yo u can select from thefo llowing vie ws:
R Normal view
R Wide-angle view
R Trailer view
The area behind theve hicle is displa yed as a
mir ror image, as in the inside rearview mir ror.
Ve hicles without Parking Assist PARKTRONIC
The following camera vie wsare available in the
multimedia sy stem: Normal view
1 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
angle (dynamic)
2 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
3 Yellow guide line at a dis tance of appr ox‐
imately 1.0 m from there ar area
4 Bumper
5 Red guide line at a dis tance of appr oximately
0.3 m from there ar area Driving and parking
221
Internal use only

Wi
de-angle view Tr
ailer view (vehicles with a trailer hit chonly)
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
Ve hicles with Parking Assist PARKTRONIC
The following camera vie wsare available in the
multimedia sy stem: Normal view
1 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
angle (dynamic) 3
Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Yellow warning indicator of Parking Assist
PA RKTRONIC: obstacles at a dis tance
between appr oximately 0.6 m and 1.0 m
5 Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 0.3 m or less)
6 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis‐
ta nce away (between appr oximately 0.3 m
and 0.6 m) Wi
de-angle view 222
Driving and parking
Internal use only

Tr
ailer view (vehicles with a trailer hit chonly)
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 failure
If th ere ve rsing camera is not ready for opera‐
tion, theq display appears in the media dis‐
pla y.
Sy stem limits
The reve rsing camera will not function or will
only partially function in thefo llowing situations:
R The boot lid is open. R
There is heavy rain, snow or fog.
R The light conditions are poor, e.g. at night.
R Cameras, or vehicle components in which
th e cameras are fitted, are dama ged, dirty or
co vered. Obser vethe information on vehicle
sensors and cameras (/ page186).
% Do not use there ve rsing camera in these
types of situations. You could otherwise
injure others or collide with objects when
parking theve hicle.
Fo rte ch nical reasons, thest andard height of the
ve hicle may be altered if theve hicle is car rying a
heavy load and can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges.
% The display contra stmay be impaire d dueto
incident sunlight or other light sources. In
th is case, pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. 360° Came
ra Fu
nction of the 360° Camera
The 360° Camera is a sy stem that consists of
fo ur cameras. The cameras co verth e immediate
ve hicle sur roundings. The sy stem assists you
when you are parking or at exits with reduced
visibility, forex ample.
The vie wsofthe 360° Camera are alw aysav aila‐
ble when driving forw ards up toa speed of
appr ox.16 km/h and when reve rsing.
The 360° Camera is 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 there
are no persons, animals or objects etc., in the
manoeuvring area while manoeuvring and park‐
ing.
The sy stem evaluates images from thefo llowing
cameras:
R Reversing camera
R Front camera
R Two side cameras in the outside mir rors Driving and pa
rking 223
Internal use only

Vi
ew s of the 360° Camera
Yo u can select from dif fere nt vie ws: 1
Wide-angle vie w,front
2 Top view with image from the front camera
3 Top view with images from the side cameras
in the outside mir rors
4 Wide-angle vie w,rear
5 Top view with image from there ve rsing cam‐
era
6 Top view with trailer view (vehicles with a
trailer hitch) To
p view 1
Lane indicating thero ute theve hicle will
ta ke atthe cur rent steering wheel angle
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 1.0 m or less
3 Your vehicle from abo ve
If th e dis tance tothe object lessens, the colour
of wa rning display 2changes. From a dis tance
of appr oximately 0.6 m thewa rning display is
shown in orange. From a dis tance of appr ox‐
imately 0.3 m thewa rning display is shown in
re d. When
Parking Assist PARKTRONIC is operational
and no object is de tected, the segments of the
wa rning display are shown in grey.
Guide lines 1
Yellow lane marking the course the tyres will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Mark at a distance of appr ox.1. 0 m 224
Driving and parking
Internal use only

%
When Active Parking Assist is active, the
lane markings are displa yed in green.
The guide lines show the dis tances to your
ve hicle. The dis tances only apply toroad
le ve l.
In trailer mode, the guide lines are shown at
th e le vel of the trailer hitch.
Tr ailer view (vehicles with a trailer hitch)
If yo u select trailer view and no trailer is coupled
to theve hicle, thefo llowing display appears: 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 When
the electrical connection is es tablished
between theve hicle and the trailer, the display
ch anges toside camera view 1.
This view supports manoeuvring procedures with
a trailer.
Side view of the mir ror cameras
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
Sy stem failure
If th ere ve rsing camera is not operational, the
fo llowing message appears in the media display: Driving and parking
225
Internal use only

1.
0 m toan obs tacle behind. A continuous warn‐
ing tone sounds from a di stance of appr ox‐
imately 0.2 m. Using theWarn early setting in
th e multimedia sy stem, thewa rning tones for
front and side impact pr otection can be set to
sound at a greater dis tance of appr oximately
1. 0 m in front and 0.6 m on the sides
(/ page 231).
% The Warn early setting is alw ays active in the
re ar of theve hicle.
Pa rking Assist PARKTRONIC displ ayinthe
mu ltimedia sy stem Ve
hicles without 360° Camera Ve
hicles with 360° Camera
If yo u ha venot selected theCamera & Park.
Assist menu and an obs tacle is de tected in the
path of theve hicle, a pop-up window forPa rking
Assist PARKTRONIC 1appears in the multime‐
dia sy stem at speeds below 10km/h.
The colour of the individual segments of the
wa rning display is based on the dis tance tothe
de tected obs tacle:
R Yellow segments: obstacles at a di stance
between appr ox. 0.6 m and 1.0 m
R Orange segments: obstacles at a di stance
between appr ox. 0.3 m and 0.6 m R
Red segments: obstacles at a very short
dis tance of appr ox. 0.3 m or less
Sy stem limits
Pa rking Assist PARKTRONIC does not necessa‐
ri ly take into account thefo llowing obs tacles:
R Obs tacles bel owthe de tection range, e.g.
pe rsons, animals or objects.
R Obs tacles ab ovethe 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 rectl y.
Clean the sensors regular ly,ta king care not to
scratch or damage them (/ page186).
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. 228
Driving and parking
Internal use only

Ac
tive Parking Assist is only an aid. It is not a
substitute 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.
Ac tive Parking Assist will be cancelled in thefo l‐
lowing situations:
R Parking Assist PARKTRONIC is deacti vated.
R You begin steering.
R You apply the parking brake.
R You en gage transmission position j.
R ESP ®
inter venes.
R You open the doors or the boot lid while driv‐
ing.
Sy stem limits
If th eex terior lighting is malfunctioning, Active
Pa rking Assist is not available.
Objects located abo veor below the de tection
ra nge of the sensors, e.g. overhanging loads,
ove rhangs or loading ramp s of goods vehicles, or
th e borders of parking spaces, are not de tected
du ring measu rement of the parking space. These are also
then not take n into account when calcu‐
lating the parking procedure. In some circum‐
st ances, Active Parking Assist may therefore
guide you into the parking space incor rectl y. &
WARNING Risk of accident due to
objects located abo veor below the
de tection range of Active Parking Assist
If th ere are objects abo veor below the
de tection range, thefo llowing situations may
arise:
R Active Parking Assist may steer too early.
R The vehicle may not stop in front of these
objects.
This could cause a collision. #
Inthese situations, do not use Active
Pa rking Assist. Extreme
weather conditions, such as sn owor
heavy rain, may lead toa parking space being
measured inaccuratel y.Pa rking spaces that are
partial ly occupied bytrailer dr awbars might not
be identified as such or be measured incor rectly. Only use
Active Parking Assist on le vel, high- grip
ground.
Do not use Active Parking Assist in thefo llowing
situations:
R Inextreme weather conditions such as ice,
pac ked snow or in heavy rain.
R When transporting a load that pr otru des
be yond theve hicle.
R Onsteep uphill or downhill gradients of more
th an appr oximately 15%.
R When snow chains are fitted.
R When a trailer or bicycle rack is attached.
R Direct lyafte r a tyre change or when spare
tyres are fitted.
R Ifth e tyre pressure is too low or too high.
R Ifth e suspension is out of alignment, e.g.
af te r bottoming out on a kerb.
Ac tive Parking Assist may also display parking
spaces that are not suitable for parking, such as:
R Parking spaces where parking is prohibited.
R Parking spaces on unsuitable sur faces. 232
Driving and park ing
Internal use only