If the driver does not respond to the advance warning, the system begins to
automatically brake the vehicle.
Deactivation/activation
Fig. 291
Buttons/dial: on the operating lever/the multifunction steering
wheel
Read and observe and on page 243 first.
The function is automatically activated each time the ignition is switched on.
The system should only be disabled in exceptional cases » .
On vehicles with the MAXI DOT display, the system can be activated/deactiva-
ted in the main menu » page 57, Menu item
Assist systems
.
Deactivation / activation in vehicles with segment display
Button
» Fig. 291
Action Operation
A
Hold up / down Show Front Assist menu item
B
Press Deactivate/activate system
Deactivation / activation in vehicles with multi-function steering wheel
Button /
dial
» Fig. 291
Action Operation
C
Press Show Front Assist menu item
D
Press Deactivate/activate system
Disable / enable and setting in the Infotainment
In Infotainment, the entire system or the function advance warning and dis-
tance warning can be deactivated/activated» page 243, Settings in Infotain-
ment.
The distance-warning function was deactivated before the ignition was
switched off, it remains deactivated after the ignition is switched on again.
WARNING
In the following situations, Front Assist should be switched off for safety
reasons.
■
When the vehicle is being towed away.
■
When the vehicle is on a rolling test bench.
■
If an unfounded warning or a system action was taken.
■
When on a truck, or a car ferry service or similar.
Malfunctions
Read and observe and on page 243 first.
If, for some unknown reason, the system is not available, an appropriate mes-
sage appears in the display of the instrument cluster.
Sensor covered / dirty
If the sensor cover or the sensor is dirty or covered, a message appears on the
instrument cluster display stating there is no sensor view. Clean the sensor
cover or remove the obstacles » Fig. 251 on page 213.
If there is no sensor view in the winter, the snow on the sensor under the cov-
er could be the reason. The system is functional again after the snow melts
away from the sensor.
System unavailable
If the system is currently unavailable, a message concerning the unavailability
appears. Stop the vehicle, switch off the engine and then start it again. If the
system still is not available, seek the assistance of a specialist garage.
245
Assist systems
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