Operation Manual

Display messages
Possible causes/consequences and M Solutions
Radar Sensors Dirty
See Operator's Man‐
ual
At least one of the following driving systems or driving safety systems
is temporarily restricted or inoperative:
R
COLLISION PREVENTION ASSIST PLUS
R
PRE-SAFE
®
Brake
R
PRE-SAFE
®
PLUS
R
Active Lane Keeping Assist
R
Active Blind Spot Assist
R
DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
If the radar sensor system in front is dirty, Active Blind Spot Assist will
not perform a course-correcting brake application.
Possible causes are:
R
the sensors in the radiator trim and/or in the bumpers are dirty
R
the function of the driving system 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 message
disappears. All driving systems or 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 146).
X
Switch off the engine.
X
Clean the sensors in the following locations (Y page 282):
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 Ser‐
vice 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 triggered
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 immediately.
Observe the additional information on restraint systems (Y page 41).
Display messages
217
On-board computer and displays
Z