Safety, Driving safety systems – Mercedes-Benz CLA-Class 2014 Owners Manual User Manual

Page 68

sions at low speeds where there is no visible

damage to the front of the vehicle.

Adaptive Brake Assist

Observe the "Important safety notes" sec-

tion for driving safety systems (

page 63).

WARNING

Adaptive Brake Assist cannot always clearly

identify objects and complex traffic situa-

tions.
In such cases, Adaptive Brake Assist may:

intervene unnecessarily

not intervene

There is a risk of an accident.
Always pay careful attention to the traffic sit-

uation and be ready to brake. Terminate the

intervention in a non-critical driving situation.

WARNING

Adaptive Brake Assist does not react:

to people or animals

to oncoming vehicles

to crossing traffic

to stationary obstacles

when cornering

As a result, Adaptive Brake Assist may not

intervene in all critical conditions. There is a

risk of an accident.
Always pay careful attention to the traffic sit-

uation and be ready to brake.

Due to the nature of the system, particularly

complicated but non-critical driving condi-

tions may also cause Brake Assist to inter-

vene.
Adaptive Brake Assist aids you in braking dur-

ing hazardous situations at speeds above

4 mph (7 km/h) and uses the radar sensor

system to evaluate the traffic situation.
With the help of a sensor system, adaptive

Brake Assist can detect obstacles that are in

the path of your vehicle for an extended

period of time.

Should you approach an obstacle and Adap-

tive Brake Assist has detected a risk of colli-

sion, Adaptive Brake Assist calculates the

braking force necessary to avoid a rear-end

collision. Should you apply the brakes vigo-

rously, Adaptive Brake Assist will automati-

cally increase the braking force to a level suit-

able for the traffic conditions.

Keep the brake pedal depressed until the

emergency braking situation is over.

ABS prevents the wheels from locking.

The brakes will work normally again if:

you release the brake pedal.

there is no longer any danger of a collision.

no obstacle is detected in front of your

vehicle.

Adaptive Brake Assist is then deactivated.
Vehicles with PRE-SAFE

: if adaptive Brake

Assist requires particularly high brake pres-

sure, preventative passenger protection

measures (PRE-SAFE

) are deployed simul-

taneously.
Up to vehicle speeds of around 250 km/h,

adaptive Brake Assist is capable of reacting to

moving objects that have already been rec-

ognized as such at least once over the period

of observation. Adaptive Brake Assist does

not react to stationary obstacles.
Up to vehicle speeds of around 155 mph

(250 km/h), adaptive Brake Assist is capable

of reacting to moving objects that have

already been recognized as such at least once

over the period of observation. Adaptive

Brake Assist does not react to stationary

obstacles.
If Adaptive Brake Assist is not available due to

a malfunction in the radar sensor system, the

brake system remains available with full

brake boosting effect and BAS.
In particular, the detection of obstacles can

be impaired if there is:

dirt on the sensors or anything else cover-

ing the sensors

there is snow or heavy rain

Driving safety systems

Safety