Mercedes-Benz GL-Class: BAS (Brake Assist System) - Driving safety systems - Safety - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: BAS (Brake Assist System)

section. Observe the "Important safety notes" section.

BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus shortening the stopping distance.

► Keep the brake pedal firmly depressed until the emergency braking situation is over.

ABS prevents the wheels from locking.

The brakes will function as usual once you release the brake pedal. BAS is deactivated.

WARNING If the BAS malfunctions, the brake system still 
If the BAS malfunctions, the brake system still functions, but without the additional brake boost available that the BAS would normally provide in an emergency braking maneuver.
Therefore, the braking distance may increase.

    Off-road ABS
    An ABS mode specifically suited to off-road terrain is activated automatically if the offroad drive program is activated or the LOW RANGE off-road gear is selected. At speeds below 18 mph(30 km ...

    See also:

    Overriding the speed and follow mode
    Whenever the driver is overriding the ACC by depressing the accelerator pedal, the ACC will not automatically apply the brakes to maintain separation from any vehicle ahead. The set speed and gap ...

    Checking the brake fluid level
    WARNING Brake fluid is highly toxic - keep containers sealed and out of the reach of children. If accidental consumption of fluid is suspected, seek medical attention immediately. If the fl ...

    Increasing fuel economy
    ► Accelerate slowly and smoothly. Maintain cruising speeds with a constant accelerator position. ► Drive at moderate speeds on the highway. ► Avoid unnecessary stopping and b ...