Steer Control - Mercedes-Benz GL Operator's Manual

Driving safety systems
76
Recognition by the radar sensor system is
also impaired in the event of:
dirt on the sensors or anything else
R
covering the sensors
there is interference by other radar sources
R
there are strong radar reflections, for
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example in parking garages
a narrow vehicle traveling in front, e.g. a
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motorbike
a vehicle traveling in front on a different line
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relative to the center of your vehicle
Following damage to the front end of the
vehicle, have the configuration and operation
of the radar sensors checked at a qualified
specialist workshop. This also applies to
collisions at low speeds where there is no
visible damage to the front of the vehicle.
Function
To activate/deactivate: activate or
X
deactivate PRE-SAFE
board computer (
If the PRE-SAFE
æ symbol appears in the multifunction
display.
Starting at a speed of around 4 mph
(7 km/h), this function warns you if you
rapidly approach a vehicle in front. An
intermittent warning tone will then sound and
the · distance warning lamp will light up
in the instrument cluster.
Brake immediately to defuse the situation.
X
or
Take evasive action provided it is safe to do
X
so.
®
PRE-SAFE Brake can also brake the vehicle
automatically under the following conditions:
the driver and front-passenger have their
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seat belts fastened
and
the vehicle speed is between
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approximately 4 mph (7 km/h) and
124 mph (200 km/h)
®
Brake in the on-
page 281).
Y
®
Brake is not activated, the
At speeds of up to approximately 40 mph
(70 km/h) PRE-SAFE
stationary objects. Examples of stationary
objects are stopped or parked vehicles.
i
If there is an increased risk of collision,
preventive passenger protection measures
®
(PRE-SAFE ) are activated.
If the risk of collision with the vehicle in front
remains and you do not brake, take evasive
action or accelerate significantly, the vehicle
may perform automatic emergency braking,
up to the point of full brake application.
Automatic emergency braking is not
performed until immediately prior to an
imminent accident.
You can prevent the intervention of the PRE-
®
SAFE Brake at any time by:
depressing the accelerator pedal further.
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activating kickdown.
R
releasing the brake pedal.
R
The braking action of PRE-SAFE
ended automatically if:
you maneuver to avoid the obstacle.
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there is no longer any danger of a collision.
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there is no longer an obstacle detected in
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front of your vehicle.
If you have activated DSR (
®
SAFE Brake is deactivated.

STEER CONTROL

General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering
wheel in the direction required for vehicle
stabilization.
This steering assistance is provided in
particular if:
both right wheels or both left wheels are on
R
a wet or slippery road surface when you
brake.
the vehicle starts to skid.
R
®
Brake can also detect
®
Brake is
page 256), PRE-
Y