Driving and parking, Driving systems – Mercedes-Benz GL-Class 2015 User Manual
Page 249

sponding side lights up red. This warning is
always emitted when a vehicle enters the
blind spot monitoring range from behind or
from the side. When you overtake a vehicle,
the warning only occurs if the difference in
speed is less than 7 mph (12 km/h).
The yellow indicator lamp goes out if reverse
gear is engaged. In this event, Blind Spot
Assist is no longer active.
The brightness of the indicator/warning
lamps is adjusted automatically according to
the ambient light.
Collision warning
If a vehicle is detected in the monitoring range
of Blind Spot Assist and you switch on the
corresponding turn signal, a double warning
tone sounds. Red warning lamp : flashes. If
the turn signal remains on, detected vehicles
are indicated by the flashing of red warning
lamp :. There are no further warning tones.
Switching on Blind Spot Assist
X
Make sure that the radar sensor system
(
Y
page 287) and Blind Spot Assist
(
Y
page 284) are activated in the on-board
computer.
X
Turn the SmartKey to position 2 in the igni-
tion lock.
Warning lamps : in the exterior mirrors
light up red for approximately 1.5 seconds
and then turn yellow.
Towing a trailer
When you attach a trailer, make sure you have
correctly established the electrical connec-
tion. This can be accomplished by checking
the trailer lighting. In this event, Blind Spot
Assist is deactivated. The indicator lamp in
the exterior mirrors lights up yellow, and the
Blind
Blind Spot
Spot Assist
Assist Currently
Currently Unavail‐
Unavail‐
able See Operator's Manual
able See Operator's Manual
message
appears in the multifunction display.
i
You can deactivate the indicator lamps in
the exterior mirrors.
To do so, switch off Blind Spot Assist when:
R
the SmartKey is in position 2 in the igni-
tion lock
R
the engine is not running
R
the electrical connection to the trailer
has been established
Lane Keeping Assist
General notes
:
Lane Keeping Assist camera
Lane Keeping Assist monitors the area in
front of your vehicle by means of a camera :
at the top of the windshield. Lane Keeping
Assist detects lane markings on the road and
warns you before you leave your lane unin-
tentionally.
If you select
km
km
on the on-board computer in
the
Display Unit Speed-/Odometer
Display Unit Speed-/Odometer
func-
tion (
Y
page 285), Lane Keeping Assist is
active starting at a speed of 60 km/h. If the
miles
miles
display unit is selected, the assistance
range begins at 40 mph.
A warning may be given if a front wheel
passes over a lane marking. It will warn you by
means of intermittent vibration in the steer-
ing wheel for up to 1.5 seconds.
Important safety notes
G
WARNING
Lane Keeping Assist may not always clearly
recognize lane markings.
Driving systems
247
Driving
and
parking
Z