Mercedes-Benz CLA Operator's Manual page 227

Display messages
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
Inoperative Inoperative
Radar Sensors Radar Sensors
Dirty See Opera‐ Dirty See Opera‐
tor's Manual tor's Manual
6
SRS Malfunction SRS Malfunction
Service Required Service Required
Possible causes/consequences and M M Solutions
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
Visit a qualified specialist workshop.
X
At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
COLLISION PREVENTION ASSIST PLUS
R
DISTRONIC PLUS
R
Possible causes are:
the sensors in the radiator trim and/or in the bumpers are dirty.
R
the function of the driving system and/or driving safety system
R
is impaired due to heavy rain or snow.
A warning tone also sounds.
When the causes stated above no longer apply, the display mes-
sage disappears. All driving systems/driving safety systems are
operative again.
If the display message does not disappear:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Switch off the engine.
X
Clean the sensors in the following locations (
X
in the radiator trim
R
in the front bumper
R
in the rear bumper, particularly in the middle of the rear
R
bumper
Restart the engine.
X
The display message disappears.
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.
Visit a qualified specialist workshop.
X
For further information about the restraint system, see
( page 40).
Y
Display messages
page 160).
Y
page 295):
Y
225
Z