Mercedes-Benz C-Class Operator's Manual page 189

display in the exterior mirrors draws your
attention to vehicles detected in the
monitored area. If you then switch on the
corresponding turn signal to change lanes,
you will also receive a visual and audible
collision warning. Blind Spot Assist uses
sensors in the rear bumper for monitoring
purposes.
For Blind Spot Assist to assist you when
driving, the radar sensor system must be:
activated( page 211)
R
Y
operational
R
Important safety notes
Blind Spot Assist is only an aid. It may fail to
detect some vehicles and is no substitute for
attentive driving. Always ensure that there is
sufficient distance to the side for other road
users and obstacles.
G
WARNING
Blind Spot Assist does not react to:
vehicles overtaken too closely on the side,
R
placing them in the blind spot area
vehicles being overtaken at a speed
R
difference of more than 7.5 mph
(12 km/h)
vehicles which approach with a large speed
R
differential and overtake your vehicle
As a result, Blind Spot Assist may not give
warnings in such situations. There is a risk of
an accident.
Always observe the traffic conditions
carefully, and maintain a safe lateral distance.
i
USA only:
This device has been approved by the FCC
as a "Vehicular Radar System". The radar
sensor is intended for use in an automotive
radar system only. Removing, tampering
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.
Driving systems
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
R
covering the sensors
poor visibility, e.g. due to fog, heavy rain,
R
snow or spray
narrow vehicles, e.g. motorcycles or
R
bicycles
the road has very wide lanes
R
the road has narrow lanes
R
you are not driving in the middle of the lane
R
there are barriers or similar lane borders
R
Vehicles in the monitoring range are then not
indicated.
Blind Spot Assist monitors the area up to
10 ft (3m) 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 there are vehicles driving at the
inner edge of their lanes.
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