On -b oar d comp ut er an d di sp lay s, Display messages – Mercedes-Benz CLA-Class 2014 Owners Manual User Manual
Page 223

Display messages
Possible causes/consequences and M
M Solutions
Collision Preven‐
Collision Preven‐
tion Assist Plus
tion Assist Plus
Currently Unavail‐
Currently Unavail‐
able See Opera‐
able See Opera‐
tor's Manual
tor's Manual
COLLISION PREVENTION ASSIST PLUS is temporarily not opera-
tional. 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.
COLLISION PREVENTION ASSIST PLUS 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).
Collision Preven‐
Collision Preven‐
tion Assist Plus
tion Assist Plus
Inoperative
Inoperative
COLLISION PREVENTION ASSIST PLUS is malfunctioning. The dis-
tance warning signal may also have failed.
X
Visit a qualified specialist workshop.
Display messages
221
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s
Z