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:

    Panic alarm
    ► To activate: press button 1 for at least one second. An alarm sounds and the exterior lighting flashes. ► To deactivate: press button 1 again. or ► Insert the SmartKe ...

    Advanced emergency brake assist
    NOTICE The system may not react to slow moving vehicles and will not react to stationary vehicles or vehicles traveling in the opposite direction. NOTICE WARNINGs may not appear if ...

    DISTRONIC displays in thespeedometer
    When DISTRONIC is activated, one or two segments in the set speed range light up. For design reasons, the speed displayed in the speedometer may differ slightly from the speed set for DISTRON ...