Mercedes-benz 2013 CLA Class User Manual download pdf (Page 236)

Display messages Possible causes/consequences and M Solutions

Collision Preven‐

tion Assist Plus

inoperative

COLLISION PREVENTION ASSIST PLUS is malfunctioning. The dis-

tance warning signal may also have failed.

Visit a qualified specialist workshop.

PRE-SAFE

Function currently

limited See Own‐

er's Manual

Adaptive Brake Assist is temporarily inoperative. Possible causes:

the front bumper is dirty.

the function is impaired due to heavy rain or snow.

the radar sensor system is temporarily inoperative, e.g. due to

electromagnetic radiation emitted by nearby TV or radio sta-

tions or other sources of electromagnetic radiation.

the system is outside the operating temperature range.

the on-board voltage is too low.

Once the causes listed above no longer apply, the display message

goes out.

Adaptive Brake Assist is operational again.

If the display message does not disappear:

Pull over and stop the vehicle safely as soon as possible, paying

attention to road and traffic conditions.

Secure the vehicle against rolling away (Y page 162).

Clean the front bumper (Y page 291).

Restart the engine.

PRE-SAFE

Function limited

See Owner's Manual

Adaptive Brake Assist is faulty. The distance warning signal may

also have failed.

Visit a qualified specialist workshop.

If the symbol appears in the multifunction display, a seat belt

tongue has been inserted into a rear seat belt buckle.

Further information on the status indicator for the rear seat belts

(Y page 49).

234

Display messages

On-board computer and displays

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Mercedes-benz 2013 CLA Class User Manual Page 236