R
there is interference from other radar sour-
ces
R
there are strong radar reflections, for
example in parking garages
R
a narrow vehicle is traveling in front, e.g. a
motorbike
R
a vehicle is traveling in front on a different
line
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensor checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at slow speeds where there is no visible
damage to the front of the vehicle.
Activating/deactivating the distance
warning function
When you switch on the engine, the distance
warning function switches on after a few sec-
onds.
X
To deactivate: press the æ button
(Y page 37).
Vehicles without steering wheel but-
tons: the Ä warning lamp in the instru-
ment cluster lights up and the OFFOFF message
flashes.
Vehicles with steering wheel buttons:
the Ä warning lamp in the instrument
cluster lights up and the message Dis‐Dis‐
tance warning deactivatedtance warning deactivated appears.
X
To activate: press the æ button again
(Y page 37).
Vehicles without steering wheel but-
tons: the Ä warning lamp in the instru-
ment cluster goes out and the ONON message
flashes.
Vehicles with steering wheel buttons:
the Ä warning lamp in the instrument
cluster goes out and the message Dis‐Dis‐
tancetance warningwarning activatedactivated appears in the
multifunction display.
Adaptive Brake Assist
i
Observe the "Important safety notes" sec-
tion for driving safety systems
(Y page 56).
G
WARNING
Adaptive Brake Assist cannot always clearly
identify objects and complex traffic situa-
tions.
In such cases, Adaptive Brake Assist may:
R
intervene unnecessarily
R
not intervene
There is a risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake. Terminate the
intervention in a non-critical driving situation.
G
WARNING
Adaptive Brake Assist does not react:
R
to people or animals
R
to oncoming vehicles
R
to crossing traffic
R
to stationary obstacles
R
when cornering
As a result, Adaptive Brake Assist may not
intervene in all critical conditions. There is a
risk of an accident.
Always pay careful attention to the traffic sit-
uation and be ready to brake.
Adaptive Brake Assist aids you when braking
during hazardous situations at speeds above
20 mph (30 km/h). With the help of the radar
sensor system, adaptive Brake Assist can rec-
ognize obstacles that are in the path of your
vehicle for an extended period of time.
When you approach an obstacle and adaptive
Brake Assist detects that there is a risk of a
collision, adaptive Brake Assist calculates the
braking force necessary to avoid a collision.
Should you apply the brakes forcefully, adap-
tive Brake Assist will automatically increase
the braking force to the calculated level.
X
Keep the brake pedal depressed until the
emergency braking situation is over.
ABS prevents the wheels from locking.
Driving safety systems
59
Safety
Z
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