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®
ESP
trailer stabilisation helps you to stabilise
the vehicle/trailer combination in this situation.
®
ESP
trailer stabilisation is active at speeds
above approximately 65 km/h.
Function of EBD (Electronic Brakeforce Distri‐
bution)
EBD has the following characteristics:
monitoring and controlling the braking force
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on the rear wheels
improving driving stabilisation when braking,
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especially on bends
Function of Active Brake Assist
Active Brake Assist consists of the following func‐
tions:
Distance warning function
R
Autonomous braking function
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Situation-dependent brake force boosting
R
Active Brake Assist can help you to minimise the
risk of a collision with vehicles, cyclists or pedes‐
trians, or reduce the effects of such a collision.
If Active Brake Assist has detected a risk of colli‐
sion, a warning tone sounds and the L warn‐
ing lamp lights up in the instrument cluster.
If you do not react to the warning, autonomous
braking can be initiated in critical situations. In
especially critical situations, Active Brake Assist
can initiate autonomous braking directly. In this
case, the warning lamp and warning tone occur
simultaneously with the braking application.
If you apply the brake yourself in a situation
detected as critical by Active Brake Assist, or
apply the brake during autonomous braking, sit‐
uation-dependent brake force boosting occurs.
The brake pressure increases up to maximum
full-stop braking if necessary.
If autonomous braking or a situation-dependent
braking boosting effect has occurred, the L
warning lamp flashes briefly and then goes out.
Vehicles with PRE-SAFE
braking function or the situation-dependent brake
force boosting is triggered, additional preventive
measures for occupant protection (PRE-SAFE)
may also be initiated (
/
®
: if the autonomous
page 36).
& WARNING Risk of an accident caused by
limited detection performance of Active
Brake Assist
Active Brake Assist cannot always clearly
identify objects and complex traffic situa‐
tions.
Always pay careful attention to the traf‐
#
fic situation; do not rely on Active Brake
Assist alone. Active Brake Assist is only
an aid. The driver is responsible for
maintaining a sufficiently safe distance
to the vehicle in front, vehicle speed
and for braking in good time.
Be prepared to brake or swerve if nec‐
#
essary.
%
If the system is not available, an appropriate
message appears in the multifunction dis‐
play.
Observe the system limitations of Active Brake
Assist. Due to the nature of the system, complex
but non-critical driving conditions may also cause
Active Brake Assist to intervene during braking.
The individual subfunctions are available in
the following speed ranges:
Distance warning function
The distance warning function warns you in the
following situations:
From a speed of approximately 30 km/h, if
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over several seconds the distance maintained
to the vehicle travelling in front is insufficient
for the driven speed. The L warning lamp
in the instrument cluster then lights up.
From a speed of approximately 7 km/h, if
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your vehicle is critically close to a vehicle or
pedestrian. An intermittent warning tone
sounds and the L warning lamp in the
instrument cluster then lights up.
Brake immediately or take evasive action, provi‐
ded it is safe to do so and the traffic situation
allows this.
The distance warning function can aid you in the
following situations with an intermittent warning
tone and a warning lamp:
Vehicles travelling in front: up to approx‐
R
imately 250 km/h
Stationary vehicles: up to approximately
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80 km/h
Crossing vehicles: no reaction
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Driving and parking 163
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