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Safety and Security
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 Antilock Brake System (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.
On slippery road surfaces, the ABS will re-
spond even to light brake pressure.
i
In winter operation, the maximum ef-
fectiveness of the ABS, ESP, BAS 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.