Mercedes-Benz GLE Series 2020 Operator's Manual page 272

270 Driving and parking
warning, a warning tone sounds and the warning
lamp in the outside mirror starts to flash.
This additional function is only available when
Blind Spot Assist is activated and up to a maxi‐
mum of three minutes after the ignition has
been switched off. The exit warning is no longer
available once the warning lamp in the outside
mirror flashes three times.
The exit warning is only an aid and not a substi‐
tute for the attention of vehicle occupants. The
responsibility for opening and closing the doors
and for leaving the vehicle remains with the vehi‐
cle occupants.
System limits
Blind Spot Assist and Active Blind Spot Assist
may be limited in the following situations:
If there is dirt on the sensors or the sensors
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are obscured
In poor visibility, e.g. due to fog, heavy rain or
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snow
If there are narrow vehicles, e.g. bicycles or
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motorbikes
If the road has very wide or narrow lanes
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If vehicles are not driving in the middle of
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their lane
Warnings may be issued in error when driving
close to crash barriers or similar solid lane bor‐
ders. Always make sure that there is sufficient
distance to the side for other traffic or obsta‐
cles.
Warnings may be interrupted when driving along‐
side long vehicles, for example trucks, for a pro‐
longed time.
Blind Spot Assist is not operational when reverse
gear is engaged.
Blind Spot Assist is not operational when a
trailer is coupled to the vehicle and the electrical
connection has been correctly established.
The exit warning may be limited in the following
situations:
When the sensors are covered by adjacent
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vehicles in narrow parking spaces
When people approach the vehicle
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In the event of stationary or slowly moving
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objects
Function of brake application (Active Blind
Spot Assist)
% The brake application function is only availa‐
ble for vehicles with a Driving Assistance
Package.
If Active Blind Spot Assist detects a risk of a side
impact in the monitoring range, a course-cor‐
recting brake application is carried out. This is
designed to help you avoid a collision.
The course-correcting brake application is availa‐
ble in the speed range between approximately
20 mph (30 km/h) and 125 mph (200 km/h).
& WARNING Risk of accident despite
brake application of Active Blind Spot
Assist
A course-correcting brake application cannot
always prevent a collision.
Always steer, brake or accelerate your‐
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self, especially if Active Blind Spot
Assist warns you or makes a course-
correcting brake application.