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
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 144).
X
Clean the front bumper (
Y
page 259).
X
Start the drive system again.
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
The restraint system is faulty. The
6
warning lamp also lights
up in the instrument cluster.
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).
200
Display messages
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s
Summary of Contents for B-Class Electric Drive W245
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