Display messages
Possible causes/consequences and
X
X
Solutions
Parking
Guidance
finished
The vehicle is parked. A warning tone also sounds.
The display message disappears automatically.
PRE-SAFE
inopera‐
tive See
Owner's
Manual
G
Risk of injury
PRE-SAFE
®
has malfunctioned. All other occupant safety sys-
tems, e.g. airbags, remain available.
X
Visit a qualified specialist workshop.
PRE-SAFE
Function
currently
limited
See Own‐
er's Man‐
ual
G
Risk of accident
The PRE-SAFE
®
Brake* is temporarily inoperative if:
R
the Distronic Plus* cover in the radiator grille is dirty.
R
the sensors in the bumpers are dirty.
R
its 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
stations or other sources of electromagnetic radiation.
R
the system is outside the operating temperature range.
R
the on-board voltage is insufficient.
The PRE-SAFE
®
Brake* is operational again and the display
message disappears when:
R
the dirt (e.g. slush) drops away while you are driving.
R
the system detects that the sensors are fully available
again.
R
the system is within the operating temperature range.
If the display message continues to be shown:
X
Clean the Distronic Plus* cover in the radiator grille
(
Y
page 335).
X
Clean the bumpers (
Y
page 335).
X
Restart the engine.
X
Wait until the battery is charged sufficiently.
PRE-SAFE
Function
limited
See Own‐
er's Man‐
ual
G
Risk of accident
PRE-SAFE
®
Brake* is defective.
BAS PLUS* or the distance warning signal may also have
failed.
X
Visit a qualified specialist workshop.
Display messages
349
Pra
ct
ica
lad
vice
* optional
221_AKB; 2; 3, en-GB
bjanott,
Version: 2.11.7.7
2009-02-27T14:56:10+01:00 - Seite 349
Z
Dateiname: 6515231002_buchblock.pdf; erzeugt am 03. Mar 2009 15:18:34; WK