Mercedes-Benz GLB Owner's Manual page 229

226 Driving and parking
Reversing camera ( page 263)
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Active Lane Change Assist (
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Cruise control ( page 237)
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Blind Spot Assist and Active Blind Spot Assist
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with exit warning ( page 282)
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Traffic Sign Assist ( page 280)
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Function of ABS
The Anti-lock Brake System (ABS) regulates the
brake pressure in critical driving situations:
During braking, e.g. at full brake application
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or insufficient tyre traction, the wheels are
prevented from locking.
Vehicle steerability while braking is ensured.
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If ABS intervenes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditions and can serve as a reminder to take
extra care while driving.
System limits
ABS is active from speeds of approx.
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8 km/h.
ABS may be impaired or may not function if a
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malfunction has occurred and the yel‐
page 251)
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low ! ABS warning lamp lights up contin‐
uously in the instrument cluster after the
engine is started.
Functions of Off-road ABS
% Off-road ABS is activated automatically when
you select the F drive program.
Off-road ABS is specially adapted for driving off-
road:
The front wheels lock cyclically during brak‐
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ing.
The braking distance is shortened due to the
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digging-in effect.
System limits
Off-road ABS functions at speeds below
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40 km/h.
If Off-road ABS intervenes, the ability to steer
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may be restricted.
Function of BAS (Brake Assist System)
& WARNING Risk of an accident caused by
a malfunction in BAS (Brake Assist Sys‐
tem)
If BAS is malfunctioning, the braking distance
in an emergency braking situation is
increased.
Depress the brake pedal with full force
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in emergency braking situations. ABS
prevents the wheels from locking.
BAS supports your emergency braking situation
with additional brake force.
If you depress the brake pedal quickly, BAS is
activated:
BAS automatically boosts the brake pres‐
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sure.
BAS can shorten the braking distance.
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ABS prevents the wheels from locking.
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The brakes will function as usual once you
release the brake pedal. BAS is deactivated.