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168 Driver assist systems ›
Front Assist
Troubleshooting
ESC or ASR faulty/deactivated by the system
illuminates
›
Switch the ignition off and on again.
›
If the indicator light does not go out after covering a short dis-
tance, seek the help of a specialist garage.
ABS faulty
illuminates
›
You may continue driving, exercising appropriate cau-
tion. Seek the help of a specialist garage.
Brake system and anti-lock braking system faulty
illuminates together with
›
Stop driving! Seek the help of a specialist garage.
Electromechanical brake booster faulty
illuminates
›
Stop driving! Seek the help of a specialist garage.
Front Assist
Functionality
Front Assist monitors the distance to the vehicle ahead and
points out when the safety distance is exceeded. In borderline
situations, it helps to avoid a collision by braking interventions.
Status display in the instrument cluster display
illuminates - safety distance too small
illuminates - warning in case of collision
Automatic braking if there is a risk of a collision
If there is a risk of a collision, the following symbol is illuminated
as a warning
from the isolation box. If you do not respond to
the warning, the vehicle will slow down.
At a driving speed of up to 30 km / h, the vehicle is braked with-
out prior warning.
Automatic braking can be stopped by pressing the accelerator
pedal or by a steering intervention.
With automatic braking, the pressure in the brake system in-
creases. The brake pedal cannot be operated by using the pedal
as normal.
WARNING
Risk of an accident!
Front Assist does not respond to crossing or oncoming vehicles.
Operating conditions
✓ The driving speed is higher than 5 km/h.
Function restriction
The function may be restricted or unavailable in the following
cases:
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