Mercedes-Benz CLA-Class 2015 - Manual (Page 227)

Display messages Possible causes/consequences and M M Solutions
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
Inoperative Inoperative
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
X
Visit a qualified specialist workshop.
Radar Sensors Radar Sensors
Dirty See Opera‐ Dirty See Opera‐
tor's Manual tor's Manual
At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
R
COLLISION PREVENTION ASSIST PLUS
R
DISTRONIC PLUS
Possible causes are:
R 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
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:
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 160).
X Switch off the engine.
X Clean the sensors in the following locations (
Y
page 295):
R in the radiator trim
R in the front bumper
R
in the rear bumper, particularly in the middle of the rear
bumper
X Restart the engine.
The display message disappears.
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.
For further information about the restraint system, see
(
Y
page 40).
Display messages
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