Manual Mercedes S-Class Sedan - 2015 (page 87 of 502) (English)

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WARNING

PRE-SAFE

Brake does not react:

to small people, e.g. children

to animals

to oncoming vehicles

to crossing traffic

when cornering

As a result, PRE-SAFE

Brake may neither

give warnings nor intervene in all critical sit-

uations. There is a risk of an accident.

Always pay careful attention to the traffic sit-

uation and be ready to brake.

In the event of snowfall or heavy rain, the rec-

ognition can be impaired.

Recognition by the radar sensor system is

also impaired in the event of:

there is dirt on the sensors or anything else

covering the sensors

there is interference by other radar sources

there are strong radar reflections, for

example in parking garages

a narrow vehicle traveling in front, e.g. a

motorbike

a vehicle traveling in front on a different line

relative to the center of your vehicle

Recognition by the camera system is also

impaired in the event of:

dirt on the camera or if the camera is cov-

ered

there is glare on the camera system, e.g.

from the sun being low in the sky

darkness

if:

pedestrians move quickly, e.g. into the

path of the vehicle

the camera system no longer recognizes

a pedestrian as a person due to special

clothing or other objects

a pedestrian is concealed by other

objects

the typical outline of a person is not dis-

tinguishable from the background

Following damage to the front end of the vehi-

cle, have the configuration and operation of

the radar sensors checked at a qualified spe-

cialist workshop. This also applies to colli-

sions at low speeds where there is no visible

damage to the front of the vehicle.

Following damage to the windshield, have the

configuration and operation of the camera

system checked at a qualified specialist work-

shop.

Function

To activate/deactivate: activate or deac-

tivate PRE-SAFE

Brake in the on-board

computer (Y page 309).

If the PRE-SAFE

Brake is not activated, the

æ symbol appears in the multifunction

display.

Starting at a speed of around 4 mph (7 km/h),

this function warns you if you rapidly

approach a vehicle in front. An intermittent

warning tone will then sound and the ·

distance warning lamp will light up in the

instrument cluster.

Brake immediately to defuse the situation.

Take evasive action provided it is safe to do

so.

If there is an increased risk of collision,

preventive passenger protection measures

(PRE-SAFE

) are activated.

If the risk of collision with the vehicle in front

remains and you do not brake, take evasive

action or accelerate significantly, the vehicle

may perform automatic emergency braking,

up to the point of full brake application. Auto-

matic emergency braking is not performed

until immediately prior to an imminent acci-

dent.

You can prevent the intervention of the PRE-

SAFE

Brake at any time by:

depressing the accelerator pedal further.

activating kickdown.

releasing the brake pedal.

Driving safety systems

Safety

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Mercedes S-Class Sedan - 2015 Manual

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