Mercedes-Benz S 450 4MATIC Operator's Manual page 498

Indicator and warning lamps
1 Yellow indicator lamp/red warning
lamp
Switching on: Make sure that the ra-
dar sensors ( page 307) and Blind
Spot Assist ( page 304) are switched
on.
With the ignition switched on, the warn-
ing lamp 1 in the exterior mirror lights
up red.
With the engine running, the indicator
lamp 1 in the exterior mirror lights up
yellow up to a speed of 20 mph
(30 km/h).
Once a speed above 20 mph (30 km/h)
has been reached and
Blind Spot Assist detects no vehicle in
its range, the indicator lamp 1 goes
out
Blind Spot Assist detects another vehi-
cle in its range, the warning lamp 1 on
the corresponding side of the vehicle
turns red.
Warning!
Blind Spot Assist is not active at speeds be-
low approximately 20 mph (30 km/h). You
will not be alerted to the presence of vehi-
cles in the monitored area at these speeds.
It is the driver's responsibility at all times to
be attentive to road, weather and traffic con-
ditions and to provide the steering, braking
and other driving inputs necessary to retain
control of the vehicle. Failure to do so could
result in recognizing dangers too late, possi-
bly resulting in an accident and serious inju-
ry to yourself and others.
Controls in detail
Driving systems
Collision warning
If a vehicle is detected in the Blind Spot As-
sist range and you activate the turn signal,
a two-tone warning will sound and the red
warning lamp 1 will flash.
Warning!
Do not change lanes or make turns, while
1
the red warning lamp
G
so could result in an accident and seroius in-
jury to yourself and others.
Remain on the lane that you are cur-
rently on until traffic conditions permit
to change.
If the turn signal remains on, the red warn-
ing lamp 1 will flash to indicate that vehi-
cles have been detected. No further
audible warnings will sound.
G
is flashing. Doing
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