G-Class Owner's Manual - Mercedes G-Class, G-Wagon, G500, G55 ...

Safety
Driving safety systems
Braking
If ABS cuts in while you are braking, you
will feel the brake pedal pulsate.
When ABS intervenes:
Continue to depress the brake pedal
firmly until the braking situation is over.
For full braking:
Depress the brake pedal with maximum
force.
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If ABS has malfunctioned, BAS, ESP
and 4-ETS will also be deactivated.
The normal driving and braking functions
are still available to you.
BAS
Brake Assist supports ABS by boosting
the braking force in an emergency braking
situation. If you depress the brake pedal
quickly, BAS automatically boosts the
braking force and thus shortens the stopping
distance.
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Continue to depress the brake pedal
firmly, even at maximum deceleration.
Nur fuer internen Gebrauch
4-ETS
4-ETS makes it possible to pull away or accelerate
on a slippery surface. It brakes the
wheels individually before they spin.
4-ETS remains active when you deactivate
ESP. 4-ETS comes into effect if at least one
tyre reaches its tyre grip limit. The system
brakes individual wheels until sufficient
traction is available once more.
4-ETS is no longer active once a road
speed of approximately 60 km/h is exceeded.
The v warning lamp in the instrument
cluster lights up briefly when you start the
engine. This indicates that 4-ETS is operational.
It flashes at any speed if even one tyre has
exceeded its tyre grip limit.