parking sensors MERCEDES-BENZ C-Class COUPE 2017 CL205 User Guide

The detection of obstacles can be impaired in
the case of:
Rthere is dirt on the sensors or anything else
coveringthe sensors
Rpoor visibility, e.g. due to rain, snow or spray
Vehicles in the monitoring range are then not
indicated.
Active Blind Spot Assist may not detect narrow
vehicles, such as motorcycles or bicycles, or
may only detect them too late.
If the lanes are narrow, vehicles driving in the
lane beyond the lane next to your vehicle may be
indicated, especially if the vehicles are not driv- ing in the middle of their lane. This may be the
case if there are vehicles at the inner edge of
your lane.
Due to the nature of the system:
Rwarnings may be issued in error when driving
close to crash barriers or similar solid lane
borders.
Rwarnings may be interrupted when driving
alongside particularly long vehicles, e.g.
trucks, for aprolonged time.
Warning display
:Warning display
Active Blind Spot Assist is not operational at
speeds below approximately 20 mph (30 km/h).
Vehicles in the monitoring range are then not
indicated.
If av ehicle is detected within the blind spot
monitoring range at speeds above 20 mph
(3 0k m/ h),w arnin glamp :on the correspond-
ing side lights up red. This warnin gisalways
emitted when avehicle enters the blind spot
monitoring range from behind or from the side.
When you overtake avehicle, the warnin gonly
occurs if the differenc einspeed is less than
7m ph (12 km/h). If you select the reverse gear, Active Blind Spot
Assis
tisnot operational.
The brightness of the warnin glamps is auto-
matically adapted to the brightness of the sur-
roundings.
When Active Blind Spot Assis tisactivated, gray
radar waves propagatin gbackwards appear
nex ttot he vehicle in the assistance display in
the multifunction display. Abov easpeed of
20 mph (30 km/h), the color of the radar waves
in the assistance display changes to green ;.
Active Blind Spot Assis tisthen ready for use.
Visua land acoustic collision warning
If you switc honthe turn signals to change lanes
and avehicle is detected in the side monitoring
range, you receiv eavisual and acoustic collision
warning. You will then hear adouble warning
ton eand red warnin glamp :flashes. If the turn
signal remainso n, detected vehicles are indica-
ted by the flashingofr ed warninglamp :.
There are no further warnin gtones.
Course-correcting brake application
If Active Blind Spot Assis tdetects arisk of alat-
eral collision in the monitoring range, acourse-
correcting brake application is carried out. This
is meant to assist you in avoiding acollision.
GWARNING
Ac ourse-correctin gbrake application cannot
always preventac ollision.There is arisk of an
accident.
Always steer ,brake or accelerate yourself,
especially if Active Blind Spot Assis twarns
you or makes acourse-correctin gbrake appli-
cation. Always maintain asafe distance at the
sides.
196Driving systems
Driving and parking

Alwayspayparticula rattentio ntothe traffic
situatio nand kee pwithint he lane, especially
if Active Lane Keeping Assist alerts you. Ter-
minate the interventio ninanon-critica ldriv-
ing situation.
The system maybei mpaired or maynot function
if:
Rther eisp oorvisibility ,e.g.d ue to insufficient
illuminatio nofthe road, or du etosnow,rain,
fog or spray
Rther eisg lare,e.g.f rom oncoming traffic, the
sunorr eflections (e.g. when the roa dsurface
is wet)
Rthe windshield is dirty,f ogged up,damag ed or
covered ,for instance by asticker, in the vicin-
ity of the camera
Rthe rada rsensors in the front or rea rbum pers
or the radiato rtrim ar edirty,e .g.o bscured by
snow
Rther eareno, severa lorunclea rlan em arkings
for alan e, e.g .inareas with roa dconstruction
work
Rthe lane marking sareworn away ,darkorc ov-
ere dup,e.g .byd irtors now
Rthe distance to the vehicl einfront is too small
and the lane marking sthusc annotbed etec-
ted
Rthe lane marking schange quickly, e.g .lan es
branch off, cros sone another or merge
Rthe roa disnarrow and winding
Rtherearestrong shadows cas tonthe road
If no vehicl eisdetectedint he adjacent lane and
broken lane marking saredete
cted, no lane-cor-
recting brake applicatio nism ade.
Warning vibration in the steering wheel
Aw arning maybeg iven if afront whee lpasses
ove ralanem arking .Itw illw arny ou by means of
intermittent vibratio ninthe steering whee lfor
up to 1.5 seconds.
Lane -correcting brake application
If you leave you rlane, unde rcertai ncircumstan-
ces the vehicle will brake briefly on one side.
Thisism eant to assist you in bringing the vehicle
back to the original lane.
GWARNING
Al ane-correcting brake application cannot
always bring the vehicle back into the original lane. Thereisar isk of an accident.
Always steer, brake or accelerate yourself,
especially if Active Lane Keeping Assis twarns
you or makes alane-correcting brake appli-
cation.
If al ane-correcting brake application occurs,
display :appear sinthe multifunction display.
The brake application also slightly reduces vehi-
cle speed.
Thisf unctio nisavailable in the range between
40 mph and 120 mph (60 km/h and 200 km/h).
Al ane-correcting brake application can be made
after driving over alanem arking detected as
being solid or broken. Before this, awarning
must be give nbym eans of intermittent vibration
in the steering wheel. In addition, alanew ith
lane markings on both sides must be recog-
nized.
In the case of abroken lane marking being
detected,al ane-correcting brake application
can only be mad eifavehicle has beend etected
in the adjacent lane. Oncoming vehicles ,over-
taking vehicles and vehicles in adjacent lanes
can be detected.
iAf urthe rlane-correcting brake application
can only occur after you rvehicle has returned
to the original lane.
No lane-correcting brake application occurs if:
Ryou clearly and actively steer, brake or accel- erate.
Ryou cut the corner on asharp bend.
Ryou have switched on the turn signal.
Rad riving safety system intervenes, e.g. ESP®,
PRE-SAFE®Brake or Active Blind Spot Assist.
198Driving systems
Drivin gand parking