Mercedes-Benz 2005 E -Class Wagon Operator's Manual page 235

Controls in detail
Driving systems
Distronic displays in the speedometer
dial
1 Set speed
If Distronic is activated, one or two seg-
ments come on around the set speed.
i
The vehicle speed displayed on the
speedometer can briefly vary from the
speed setting on the Distronic system.
234
1 Segments
If Distronic detects a vehicle directly
ahead, the segments from the speed of the
vehicle ahead to the set speed come on.
If Distronic calculates that there is a dan-
ger of collision:
The DTR warning lamp l in the in-
strument cluster comes on red.
An intermittent warning sounds.
Immediately brake the vehicle to avoid
a collision.
Under no circumstances should the
driver await the intermittent warning
sound before braking. See the follow-
ing warning note.
The intermittent warning sound ceases
and the red DTR warning lamp l
goes out when the necessary distance
to the vehicle ahead is again estab-
lished.