Mercedes-Benz CLA-Class 2014 Owners Manual - Manual (Page 224)

Display messages Possible causes/consequences and M M Solutions
PRE-SAFE PRE-SAFE
Functions Cur‐
Functions Cur‐
rently rently Limited Limited See See
Operator's Manual Operator's Manual
Adaptive Brake Assist is temporarily inoperative. Possible causes
are:
R
the front bumper is dirty.
R
function is impaired due to heavy rain or snow.
R 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.
R AMG vehicles: ESP ® is deactivated.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
When the causes stated above no longer apply, the display mes-
sage disappears.
Adaptive Brake Assist is operational again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (
Y
page 157).
X Clean the front bumper (
Y
page 291).
X Restart the engine.
X AMG vehicles: reactivate ESP ® (
Y
page 69).
PRE-SAFE PRE-SAFE
Functions Limited
Functions Limited
See See Operator's Operator's Man‐ Man‐
ual ual
Adaptive Brake Assist is faulty. The distance warning signal may
also have failed.
X Visit a qualified specialist workshop.
6
SRS Malfunction SRS Malfunction
Service Required Service Required
There is a malfunction in the SRS (Supplemental Restraint Sys-
tem). The 6 warning lamp also lights up in the instrument clus-
ter.
G WARNING
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
Further information on occupant safety (
Y
page 40).
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Display messages
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