Get Safety -> Driving safety systems Guide for Mercedes A Class 4 Door Second Generation (2004-2011)

$SafetyDriving safety systemsDriving safety systemsfrom other road users and objects on theX To make a full brake application: the brake pedal with full of driving safety systemsG Risk of accidentIn this section, you will find information aboutABS (Anti-lock Braking System)If ABS is faulty, the wheels could lock whenthe following driving safety systems:braking. This limits the steerability of theR ABS (Anti-lock Braking System)ABS regulates brake pressure in such a wayvehicle when braking and the braking dis-that the wheels do not lock when you brake.R BAS (Brake Assist System)tance may allows you to continue steering the vehi-If ABS is deactivated due to a malfunction,R ESP ® (Electronic Stability Program)cle when BAS and ESP are also deactivated.R Steering assistant STEER CONTROLABS works from a speed of about 8 km/hThere is an increased risk of your vehicleupwards, regardless of road surface condi-skidding in certain situations.i In wintry road conditions, always use win-tions. ABS works on slippery surfaces, eventer tyres (M+S tyres) and, where necessary,You should always adapt your driving stylewhen you only brake chains. Only in this way will the driv-to suit prevailing road and weather condi-G Risk of accidenting safety systems described in this not depress the brake pedal severalwork as effectively as in quick succession (pumping).G Risk of accidentBAS (Brake Assist)Depress the brake firmly and evenly. Pump-The risk of an accident is significantlying the brake pedal reduces the brakingBAS operates in emergency braking situa-increased by driving too fast. This is . If you depress the brake pedal quickly,ularly the case when cornering as well asBAS automatically boosts the braking force,on wet or slippery roads or when driving tooBrakingthus shortening the stopping to the vehicle in ABS intervenes when braking, you will fee$

Safety

Driving safety systems

from other road users and objects on the

X To make a full brake application:

road.

depress the brake pedal with full force.

Overview of driving safety systems

G Risk of accident

In this section, you will find information about

ABS (Anti-lock Braking System)

If ABS is faulty, the wheels could lock when

the following driving safety systems:

braking. This limits the steerability of the

R ABS (Anti-lock Braking System)

ABS regulates brake pressure in such a way

vehicle when braking and the braking dis-

that the wheels do not lock when you brake.

R BAS (Brake Assist System)

tance may increase.

This allows you to continue steering the vehi-

If ABS is deactivated due to a malfunction,

R ESP ® (Electronic Stability Program)

cle when braking.

then BAS and ESP are also deactivated.

R Steering assistant STEER CONTROL

ABS works from a speed of about 8 km/h

There is an increased risk of your vehicle

upwards, regardless of road surface condi-

skidding in certain situations.

i In wintry road conditions, always use win-

tions. ABS works on slippery surfaces, even

ter tyres (M+S tyres) and, where necessary,

You should always adapt your driving style

when you only brake gently.

snow chains. Only in this way will the driv-

to suit prevailing road and weather condi-

G Risk of accident

ing safety systems described in this section

tions.

Do not depress the brake pedal several

work as effectively as possible.

times in quick succession (pumping).

G Risk of accident

BAS (Brake Assist)

Depress the brake firmly and evenly. Pump-

The risk of an accident is significantly

ing the brake pedal reduces the braking

BAS operates in emergency braking situa-

increased by driving too fast. This is partic-

effect.

tions. If you depress the brake pedal quickly,

ularly the case when cornering as well as

BAS automatically boosts the braking force,

on wet or slippery roads or when driving too

Braking

thus shortening the stopping distance.

close to the vehicle in front.

If ABS intervenes when braking, you will feel

X Keep the brake pedal firmly depressed until

The driving safety systems described in this

a pulsing in the brake pedal.

the emergency braking situation is over.

section can neither reduce this risk nor

ABS prevents the wheels from locking.

override the laws of physics.

X If ABS intervenes: continue to depress the

The brakes will function as usual once you

For this reason, always adapt your driving

brake pedal with force until the braking sit-

release the brake pedal. BAS is deactivated.

style to suit prevailing road and weather

uation is over.

conditions. Maintain sufficient distance

Safety

Driving safety systems

G Risk of accident

R the parking brake is being tested using a

ESP ® (Electronic Stability Program)

dynamometer

If BAS has malfunctioned, the braking sys-

ESP ® monitors driving stability and traction,

tem remains available with full brake boost-

R the vehicle is being towed with the front

i.e. power transmission between tyres and

ing effect. However, braking force is not

axle raised

the road surface.

automatically increased in emergency

Application of the brakes by ESP ® could

ESP ® detects when a wheel spins or the vehi-

braking situations and the stopping dis-

otherwise destroy the brake system on the

cle starts to skid. ESP ® stabilises the vehicle

tance may increase.

front axle.

by targeted braking of individual wheels and

by limiting engine power. It assists you when

i Only use wheels with the recommended

Adaptive brake lamps

pulling away on wet or slippery roads. ESP ®

tyre sizes. Only then will ESP ® function

also stabilises the vehicle during braking.

i Adaptive brake lamps are only available in

properly.

When ESP ® intervenes, the v warning

certain countries.

lamp flashes in the instrument cluster.

If you brake sharply from a speed of more

Steering assistant STEER CONTROL

G Risk of accident

than 50 km/h or if braking is assisted by BAS,

The steering assistant STEER CONTROL helps

If the v warning lamp in the instrument

the brake lamps flash rapidly. In this way,

you by transmitting a noticeable steering

traffic travelling behind you is warned in an

cluster flashes, proceed as follows:

force to the steering wheel in the direction

even more noticeable manner.

R only depress the accelerator pedal as far

required for vehicle stabilisation. This steer-

If you brake sharply from a speed of more

as necessary when pulling away.

ing assistance is provided in particular if:

than 70 km/h to a standstill, the hazard warn-

R adapt your driving style to suit the pre-

R both right wheels or both left wheels are on

ing lamps are activated automatically. If the

vailing road and weather conditions.

a wet or slippery road surface when you

brakes are applied again, the brake lamps

The vehicle could otherwise go into a skid.

brake

light up continuously. The hazard warning

lamps switch off automatically if you travel

ESP ® cannot reduce the risk of an accident

R the vehicle starts to skid

faster than 10 km/h. You can also switch off

if you drive too fast. ESP ® cannot override

You have control over the steering at all

the hazard warning lamps using the hazard

the laws of physics.

times.

warning switch button ( Y page 80).

G Risk of accident

! The ignition must be switched off (key in

If there is an ESP ® malfunction, you will not

position 0 or 1 in the ignition lock), if:

receive any steering assistance from the

Safety -> Driving safety systems for Your Mercedes A Class 4 Door Second Generation (2004-2011)

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