Mercedes-Benz S-Class 2011 Operator's Manual page 363

Active Lane Keeping Assist does not detect
road and traffic conditions. An inappropriate
brake application may be interrupted at any
time if you:
steer slightly in the opposite direction
R
use a turn signal
R
clearly brake or accelerate
R
A lane-correcting brake application is
interrupted automatically if:
a driving safety system intervenes, such as
R
® ®
ESP , PRE-SAFE Brake or Active Blind
Spot Assist
lane markings can no longer be recognized
R
Activating Active Lane Keeping Assist
X
Activate Active Lane Keeping Assist using
the on-board computer (
Symbol : appears in the instrument
cluster.
If you drive at speeds above 40 mph
(60 km/h) and lane markings are detected,
symbol : is displayed in green. Active Lane
Keeping Assist is ready for use.
Y page 376).
Driving systems
361
Z