268
Driver assist systems
There are two situations when an FCW
is shown on the master display:
– With ACC switched off.
When the distance to the vehicle
ahead becomes too small or the
traffic situation requires immediate
braking by the driver using the
vehicle's brakes.
– With ACC switched on.
When, after the ACC distance
warning, the distance to the vehicle
ahead still becomes too small or the
traffic situation requires immediate
braking by the driver using the
vehicle's brakes.
NOTE: The FCW function is not active when the vehicle speed is less than
15 km/h (9 mph).
NOTE: Even with ACC switched on an FCW might be activated
unintentionally for a short time in some traffic situations. See section 'Traffic
situations' in chapter 'AEBS/ACC sensor'.
8.9 HILL START AID
8.9.1 Hill Start Aid
If the vehicle is equipped with an automated gearbox, it also has Hill Start Aid. Hill Start
Aid can be used when driving off on a hill, without having to use the park brake.
Hill Start Aid becomes active when:
– The engine is running.
– The Hill Start Aid is enabled using the switch on the control panel.
– The vehicle is stopped.
– The brake pedal is applied.
– The park brake is not applied.
– 'D' or 'R' is selected with the automated gearbox drive mode rotary knob.
Hill Start Aid remains active (brake boosters activated) as long as the brake pedal is
briefly operated. The warning 'Hill Start Aid active' is shown on the master display. If
the brake pedal is released and the accelerator pedal is depressed, the vehicle drives
off and the warning 'Hill Start Aid active' disappears.
D001724-2
DW63246305.book Page 268 Friday, March 22, 2019 4:54 PM
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