Mercedes-Benz 2007 E 320 BLUETEC Operator's Manual page 265

Controls in detail
Driving systems
Offset driving
A vehicle traveling in your lane but offset
from your direct line of travel may not be
detected by Distronic. There will be insuffi-
cient distance to the vehicle ahead.
264
Lane changing
Distronic has not yet detected the vehicle
changing lanes. There will be insufficient
distance to the lane-changing vehicle.
Narrow vehicles
Because of their narrow profile, the
vehicles traveling near the outer edges of
the lane have not yet been detected by
Distronic. There will be insufficient
distance to the vehicles ahead.