Mercedes-Benz E300 User Manual download pdf (Page 50)

The PRE-SAFE® anticipatory occupant protection system can recognise

critical driving situations and initiate measures to protect the occupants.

In the event of danger: PRE-SAFE® anticipatory occupant

protection system (optional). The preventive occupant

protection system is able to recognise critical driving

situations in advance and, as a precaution, it can activate

safety systems. This is based on PRE-SAFE®

continuously

monitoring sensor data from systems like the ESP®

and BAS

and can thus, for example, analyse driving situations such

as oversteer/understeer as well as emergency braking. If

a critical driving situation is detected, in fractions of

seconds the belts on the front seats can be reversibly

tensioned and the side windows automatically closed,

so that the belts and airbags are able to deploy their full

protective effect should an impact occur. In addition to

this the new, extended PRE-SAFE® PLUS

(integral component

of the optional Driving Assistance package Plus

) can also

use a radar sensor in the rear bumper to detect potential

hazards in the rear area and initiate additional effective

safety measures. If an impact is imminent, the rear indicators

flash at a faster frequency to warn the traffic behind.

Furthermore, the vehicle is, for instance, stalled in order

to prevent secondary collisions to the front in the case of

any rear-end collisions which may occur. This also lessens

the forces exerted on the occupants by the forwards jolt.

In the event of danger: COLLISION PREVENTION ASSIST

(standard). The system can detect insufficient distance

between the car and the vehicle in front and then give the

driver an audible warning. If there is a risk of a collision

with a slower moving or stopping vehicle within defined

speed ranges, the driver receives audible and visual

warnings. During braking, Active Brake Assist can provide

the braking force required to avoid an imminent collision

or at least reduce its severity.

In the event of danger: BAS PLUS with Cross-Traffic

Assist

(integral component of the optional Driving

Assistance package Plus). The anticipatory braking assistance

system BAS PLUS

calculates the braking pressure which

is required in order to prevent a collision or reduce the

severity of the accident. It then initiates partial or even

full braking if the driver does not hit the brakes hard enough.

BAS PLUS can also intervene to provide assistance in

situations involving crossing vehicles. Plus the system can

detect pedestrians in the area ahead of the vehicle and

augment the braking power applied when the driver presses

the brake pedal if necessary.

In the event of danger: PRE-SAFE® Brake

with active

pedestrian protection (integral component of the optional

Driving Assistance package Plus). As a three-stage warning

and braking system PRE-SAFE® Brake is able to intervene

before an impending rear-end collision at speeds of up

to 200 km/h: if the driver fails to react to a first warning,

autonomous partial braking is performed. The system

can then trigger autonomous emergency braking if there is

still no reaction from the driver. Autonomous braking can

help prevent rear-end collisions with stationary vehicles and

collisions with pedestrians in the area ahead of the car at

speeds of up to 50 km/h.

Integral component of Mercedes-Benz Intelligent Drive. More on page 34.

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Mercedes-Benz E300 User Manual Page 50

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