Mercedes-Benz C-CLASS Operator's Manual page 202

Driving systems
200
the distance to the vehicle in front is too small
R
and the lane markings thus cannot be detec-
ted
the lane markings change quickly, e.g. lanes
R
branch off, cross one another or merge
the road is narrow and winding
R
there are strong shadows cast on the road
R
Activating/deactivating Lane Keeping
Assist
To activate: press button ;.
X
Indicator lamp : lights up. The
ing Assist On
tifunction display. If all conditions have been
satisfied, there may be a warning.
If you drive at speeds above 40 mph
(60 km/h) and lane markings are detected,
the lines in the assistance graphics display
( page 217) are shown in green. Lane Keep-
Y
ing Assist is ready for use.
To deactivate: press button ;.
X
Indicator lamp : goes out. Lane Keeping
Assist is deactivated. The
Assist Off message appears in the multi-
function display.
Selecting Standard or Adaptive setting
In the DriveAssist
X
computer, select the
function ( page 219).
Y
Select Standard
X
Standard
When Standard
tion occurs if:
you switch on the turn signals. In this event,
R
the warnings are suppressed for a certain
period of time.
a driving safety system intervenes, such as
R
ABS, BAS or ESP
Lane Keep‐
message appears in the mul-
Lane Keeping
menu on the on-board
Lane Keeping Assist
or Adaptive.
is selected, no warning vibra-
®
.
Adaptive
When Adaptive is selected, no warning vibra-
tion occurs if:
you switch on the turn signals. In this event,
R
the warnings are suppressed for a certain
period of time.
a driving safety system intervenes, e.g. ABS,
R
®
BAS or ESP .
you accelerate hard, e.g. kickdown.
R
you brake hard.
R
you steer actively, e.g. swerve to avoid an
R
obstacle or change lanes quickly.
you cut the corner on a sharp bend.
R
In order that you are warned only when neces-
sary and in good time if you cross the lane mark-
ing, the system recognizes certain conditions
and warns you accordingly.
The warning vibration occurs earlier if:
you approach the outer lane marking on a
R
bend.
the road has very wide lanes, e.g. a highway.
R
the system recognizes solid lane markings.
R
The warning vibration occurs later if:
the road has narrow lanes.
R
you cut the corner on a bend.
R
Driving Assistance PLUS package
General notes
The Driving Assistance PLUS package consists
of DISTRONIC PLUS (
Y
Spot Assist ( page 200) and Active Lane Keep-
Y
ing Assist ( page 203).
Y
Active Blind Spot Assist
General notes
Active Blind Spot Assist uses a radar sensor
system, pointed toward the rear of the vehicle,
to monitor the area to the sides of the vehicle
which the driver is unable to see. A warning lamp
lights up in the exterior mirrors and draws your
attention to vehicles detected in the monitored
area. If you then switch on the corresponding
turn signal to change lane, you will also receive
an optical and audible warning. If a risk of lateral
collision is detected, corrective braking may
help you avoid a collision. Before a course-cor-
recting brake application, Active Blind Spot
page 168), Active Blind