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Settings
Automatic activation
The system is automatically activated when the igni-
tion is switched on.
Troubleshooting
Crew Protect Assist faulty
illuminates together with
Message concerning unavailability or function-
al restriction
›
Seek the help of a specialist garage.
Driver Alert fatigue detection assistant
Functionality
Driver Alert evaluates the steering behaviour. If it de-
tects fatigue in the driver, a break is recommended.
In the display of the instrument cluster, the
up.
WARNING
There will be no system warning during the so-called
micro-sleep.
Resetting the break recommendation
The break recommendation is reset in the following
cases.
The vehicle stops and the ignition is switched off.
▶
The vehicle stops, the seat belt is removed and the
▶
driver's door is opened.
The vehicle stops for more than 15 minutes.
▶
In some situations, the system may erroneously
issue a break recommendation.
Operating conditions
✓ Driving speed between 60-200 km/h.
Settings
Activation / deactivation
In Infotainment, in the menu:
Emergency situation assist
systemEmergency Assist
Usage
The assist systems for emergencies detect inactivity
of the driver, which, for example, can be caused by a
sudden loss of consciousness. The system then per-
Driver assist systems ›
Driver Alert fatigue detection assistant
forms measures as safely as possible to decelerate
the vehicle to a stop.
The assist systems are only available for vehicles
with an automatic gearbox.
Functionality
When the assist system detects inactivity on the
part of the driver
An acoustic warning signal sounds and a message
▶
appears in the instrument cluster display.
If, after repeated warnings, the driver does not
▶
take over the steering, the hazard warning lights
are switched on and the vehicle automatically
brakes.
After the vehicle has come to a standstill, the park-
▶
ing brake is switched on. Depending on the equip-
ment, an emergency call can be made.
Interruption of automatic braking
By pressing the brake or accelerator pedal.
▶
lights
By actively steering.
▶
Functional conditions
✓ Lane Assist is activated and the boundary lines of
the lane are recognized.
✓ ACC is enabled.
Hill descent assistant
Functionality
The downhill assistant helps to maintain a constant
speed when driving downhill through automatic
braking.
The system also works when driving in neutral or
when reverse gear is engaged.
WARNING
Risk of accident!
For physical reasons, the system might not function
properly on a slippery surface, e.g. ice, mud and simi-
lar.
Status display in the instrument cluster display
is lit up in grey – the system is activated
lights up white / green - the system intervenes
Change speed
The driving speed can be changed by pressing the
brake or accelerator pedal. After releasing the pedal,
the assistant maintains the current speed.
Operating conditions
✓ The engine is running.
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