Mercedes-Benz SLS AMG GT Coupe Operator's Manual page 148

Driving systems
146
with, or altering the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
Monitoring range of the sensors
In particular, the detection of obstacles can
be impaired if:
dirt on the sensors or anything else
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covering the sensors
there is poor visibility, e.g. due to fog, heavy
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rain or snow
a narrow vehicle traveling in front, e.g. a
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motorbike or bicycle
the road has very wide lanes
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the road has narrow lanes
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you are not driving in the middle of the lane
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there are barriers or similar lane borders
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Vehicles in the monitoring range are then not
indicated.
Example (Roadster)
Blind Spot Assist monitors the area up to
10 ft (3 m) behind your vehicle and directly
next to your vehicle, as shown in the diagram.
If the lanes are narrow, vehicles driving in the
lane beyond the lane next to your vehicle may
be indicated, especially if the vehicles are not
driving in the middle of their lane. This may
be the case if the vehicles are driving on the
inner side of their lane.
Due to the nature of the system:
warnings may be issued in error when
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driving close to crash barriers or similar
solid lane borders.
warnings may be interrupted when driving
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alongside particularly long vehicles, e.g.
trucks, for a prolonged time.
The two sensors for Blind Spot Assist are
integrated into the sides of the rear bumper.
Make sure that the bumper is free of dirt, ice
or slush in the vicinity of the sensors. The
radar sensors must not be covered, e.g. by
overhanging loads. Following a severe impact
or in the event of damage to the bumpers,
have the function of the radar sensors
checked at a qualified specialist workshop.
Blind Spot Assist may otherwise not work
properly.
Indicator and warning display
Yellow indicator lamp/red warning lamp
:
When Blind Spot Assist is activated, indicator
lamp : in the exterior mirrors lights up
yellow up to a speed of 20 mph (30 km/h). At
speeds above 20 mph (30 km/h), the
indicator lamp goes out and Blind Spot Assist
is operational.
If a vehicle is detected within the blind spot
monitoring range at speeds above 20 mph
(30 km/h), warning lamp : on the
corresponding side lights up red. This warning