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Driving safety systems
66
With the help of the radar sensor system, the
distance warning function can detect obstacles
that are in the path of your vehicle for an exten-
ded period of time.
Up to a speed of approximately 70 km/h, the
distance warning function can also react to sta-
tionary obstacles, such as stopped or parked
vehicles.
Autonomous braking function
If the driver does not react to the distance warn-
ing signal in a critical situation, Active Brake
Assist can assist with the autonomous braking
function.
If the autonomous braking function demands
particularly high braking force, preventative
passenger protection measures (PRE-SAFE
are activated simultaneously.
The autonomous braking function is available in
the following speed ranges:
7 - 105 km/h for moving objects
R
7 - 50 km/h for stationary objects
R
Due to the nature of the system, complicated
but non-critical driving conditions may also
cause the autonomous braking function to inter-
vene.
If the autonomous braking function demands a
particularly high braking force, preventative
passenger protection measures (PRE-SAFE
are activated simultaneously (
Adaptive Brake Assist
General notes
i
Observe the "Important safety notes" sec-
tion (
page 62).
Y
With the help of Adaptive Brake Assist, the dis-
tance warning signal can detect obstacles that
are in the path of your vehicle for an extended
period of time.
If Adaptive Brake Assist detects a risk of a col-
lision with the vehicle in front, it calculates the
braking force necessary to avoid a collision. If
you apply the brakes forcefully, Adaptive Brake
Assist will automatically increase the braking
force to a level suitable for the traffic conditions.
Adaptive Brake Assist provides braking assis-
tance in hazardous situations at speeds above
7 km/h. It uses radar sensor technology to
assess the traffic situation.
Up to a speed of approximately 250 km/h,
Adaptive Brake Assist is capable of reacting to
moving objects that have already been detected
as such at least once over the period of obser-
vation.
Up to a speed of approximately 70 km/h, Adap-
tive Brake Assist reacts to stationary obstacles.
If Adaptive Brake Assist demands a particularly
high braking force, preventative passenger pro-
tection measures (PRE-SAFE
simultaneously (
X
The brakes will work normally again if:
R
®
)
R
R
Adaptive Brake Assist is then deactivated.
Important safety notes
G
Adaptive Brake Assist cannot always clearly
identify objects and complex traffic situa-
tions.
In such cases, Adaptive Brake Assist can:
R
®
)
R
page 53).
Y
There is a risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake. Terminate the
intervention in a non-critical driving situation.
G
Adaptive Brake Assist does not react:
R
R
R
R
As a result, the Adaptive Brake Assist may not
intervene in all critical conditions. There is a
risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake.
page 53).
Y
Keep the brake pedal depressed until the
emergency braking situation is over.
ABS prevents the wheels from locking.
you release the brake pedal
there is no longer any danger of a collision
no obstacle is detected in front of your vehicle
WARNING
intervene unnecessarily
not intervene
WARNING
to people or animals
to oncoming vehicles
to crossing traffic
when cornering
®
) are activated
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