Mercedes-Benz CL2012 Operator's Manual page 329

Driving systems
327
X
Switch on Active Lane Keeping Assist using
the on-board computer ( Y page 343).
Symbol : appears in the instrument
cluster.
If your speed exceeds 40 mph (60 km/h)
and lane markings are detected,
symbol : is shown in green. Active Lane
Keeping Assist is ready for use.
I n f o r m a t i o n P r o v i d e d b y :
Z