Mercedes-Benz GLS Owner's Manual page 234

360° Camera ( page 284)
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Parking Assist PARKTRONIC (
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Active Parking Assist ( page 293)
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Functions of ABS (Anti-lock Braking System)
ABS regulates the brake pressure in critical driv‐
ing situations:
During braking, e.g. at maximum full-stop
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braking 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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5 km/h.
ABS may be impaired or may not function if a
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malfunction has occurred and the yel‐
low ! ABS warning lamp lights up contin‐
uously in the instrument cluster after the
engine is started.
page 288)
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Functions of Off-road ABS
% Off-road ABS is activated automatically when
you select the F or G 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.
Driving and parking 231
Function of BAS
& 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.
The Brake Assist System (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.