Mercedes-Benz S-Class Operator's Manual page 248

Driving systems
246
you brake hard.
R
you steer actively, e.g. swerve to avoid
R
an obstacle or change lanes quickly.
you cut the corner on a sharp bend.
R
In order that you are warned only when
necessary and in good time if you cross the
lane marking, 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
R
highway.
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