260 Driving and operating
Below a speed of 19 mph, emergency
automatic braking may slow down the
vehicle to a complete stop. If the
speed exceeds 19 mph, emergency
automatic braking reduces the speed.
However, the driver must apply the
brake.
Emergency automatic braking may
slow the vehicle to a complete stop to
try to avoid a potential crash.
● Automatic transmission: If the
vehicle comes to a complete
stop, automatic braking is
maintained for up to two
seconds. Keep the brake pedal
depressed to prevent the vehicle
from starting off again.
● Manual transmission: If the
vehicle comes to a complete
stop, the engine may stall.
Operation of the function may be felt
by a slight vibration in the brake
pedal.
9 Warning
Emergency automatic braking is
an emergency crash preparation
feature and is not designed to
avoid crashes. Do not rely on the
system to brake the vehicle.
Emergency automatic braking will
not brake outside of its operating
speed range and only responds to
detected vehicles and
pedestrians.
Operation conditions
Active emergency braking only works
when
● the seat belts of the front seats
and depending on version of the
rear seats are fastened
● the brake system is operational
● Electronic Stability Control and
Traction Control system are
activated
Active emergency braking ist
automatically deactivated in the
following cases:
● A spare wheel with smaller
diameter is detected.
● A fault with the brake pedal
switch or with the left or right
brake light is detected.
● A fault in the active emergency
braking system, in the electronic
or in the brake system is
detected.
● A severe crash, e.g., with airbag
deployment was detected.
System limitations
The system performance may be
degraded or not available in the
following cases:
● sensor covered with snow, ice,
slush, mud or dirt
● windscreen damaged or
smeared, with blurred view or
covered with foreign items, e.g.
stickers,
● damaged or deformed front
bumper or front bumper covered
with foreign items, e.g. stickers
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