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:

    Methanol
    NOTICE Wherever possible avoid using fuel containing methanol. Some fuels contain methanol (methyl or wood alcohol). If you use fuels containing methanol the fuels must also contain co-solven ...

    Traction Control Operation
    TCS is part of the StabiliTrak system. Traction control limits wheel spin by reducing engine power to the wheels (engine speed management) and by applying brakes to each individual wheel (brake-trac ...

    Preset Destination
    The preset destination entry method lets you set a destination by selecting from one of five previously stored destinations. Besides voice tagged destinations, these are the only destinations availa ...