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:

    Vanity mirror in the sun visor
    Mirror light 1 only functions if the sun visor is clipped into retainer 2 and mirror cover 5 has been folded up. ...

    Vehicle phonebook
    This vehicle has two phonebooks available for hands-free use. Depending on the phone, the system may automatically download the entire cell phone’s phonebook into the “Handset Phonebook” ...

    Brow of hill
    When driving up an uphill gradient, slightly reduce pressure on the accelerator immediately before reaching the brow of the hill. Use the vehicle's own impetus to drive over the top of the hill. ...