Mercedes-Benz 2013 GL Class - Manual (Page 246)

If a lane-correcting brake application occurs,
display : appears in the multifunction
display.
If you leave your lane under certain
circumstances the vehicle will brake briefly
on one side. This is meant to assist you in
bringing the vehicle back to the original lane.
This function is available in the range between
40 mph and 120 mph (60 km/h and
200 km/h).
A lane-correcting brake application can only
be made after driving over a solid,
recognizable lane marking. Before this, a
warning must be given by means of
intermittent vibration in the steering wheel.
In addition, a lane with lane markings on both
sides must be recognized. The brake
application also slightly reduces vehicle
speed.
i A further lane-correcting brake
application can only occur after your
vehicle has returned to the original lane.
No lane-correcting brake application occurs
if:
R
you clearly and actively steer, brake or
accelerate.
R
you cut the corner on a sharp bend.
R
you have switched on the turn signal.
R
a driving safety system intervenes, e.g.
ESP
® , PRE-SAFE ® Brake or Active Blind
Spot Assist.
R
you have adopted a sporty driving style with
high cornering speeds or high rates of
acceleration.
R ESP ® is switched off.
R
the transmission is not in position D.
R
on vehicles with a trailer tow hitch, the
electrical connection to the trailer has been
correctly established.
R
the off-road program is activated (vehicles
without the ON&OFFROAD package).
R
off-road program 1 or 2 is activated
(vehicles with the ON&OFFROAD package).
R
the LOW RANGE off-road gear is activated
(vehicles with the ON&OFFROAD package).
R
a loss of tire pressure or a defective tire has
been detected and displayed.
Active Lane Keeping Assist does not detect
traffic situations or road users. An
inappropriate brake application may be
interrupted at any time if you:
R
steer slightly in the opposite direction.
R
you switch on the turn signal.
R
clearly brake or accelerate.
A lane-correcting brake application is
interrupted automatically if:
R
a driving safety system intervenes, e.g.
ESP
® , PRE-SAFE ® Brake or Active Blind
Spot Assist.
R
lane markings can no longer be recognized.
Switching on Active Lane Keeping Assist
X Switch on Active Lane Keeping Assist using
the on-board computer; to do so, select
Standard or Adaptive ( Y page 275).
Symbol : appears in the multifunction
display.
If
Standard is selected, no warning
vibration occurs if:
244
Driving systems
Driving and parking