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Safety and Security
Driving safety systems
Driving safety systems
In this section you will find information on
the following driving safety systems:
ț ABS (Antilock Brake System)
ț BAS (Brake Assist System)
ț ESP (Electronic Stability Program)
ț 4MATIC* (Four Wheel Electronic Trac-
tion System)
ABS
The ABS regulates the brake pressure so
that the wheels do not lock during braking.
This allows you to maintain the ability to
steer your vehicle.
The ABS is functional above a speed of ap-
proximately 5 mph (8 km/h) independent
of road surface conditions.
At the instant one of the wheels is about to
lock up, a slight pulsation can be felt in the
brake pedal, indicating that the ABS is in
the regulating mode. Keep firm and steady
pressure on the brake pedal while experi-
encing the pulsation.
i
In winter operation, the maximum ef-
fectiveness of the ABS, ESP and
4MATIC* is only achieved with winter
tires (M+S tires), or snow chains as re-
quired.
Warning! G
The following factors increase the risk of ac-
cidents:
ț Excessive speed, especially in turns
ț Wet and slippery road surfaces
ț Following another vehicle too closely
The ABS, BAS, ESP and 4MATIC* cannot re-
duce this risk.
Always adjust your driving style to the pre-
vailing road and weather conditions.
Warning! G
Do not pump the brake pedal. Use firm,
steady brake pedal pressure instead. Pump-
ing the brake pedal defeats the purpose of
the ABS and significantly reduces braking
effectiveness.