Mercedes-Benz E-Class Saloon Owner's Manual page 308

Display messages
Radar sensors Radar sensors
dirty See Owner's dirty See Owner's
Manual Manual
ü
Possible causes/consequences and M M Solutions
At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
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
R
If the radar sensor system in front is dirty, Active Blind Spot Assist
will not perform a course-correcting brake application.
Possible causes:
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
R
impaired due to heavy rain or snow
A warning tone also sounds.
Once the causes listed above no longer apply, the display message
goes out. All driving systems or driving safety systems are opera-
tive 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.
Safeguard the vehicle against rolling away (
X
Switch off the engine.
X
Clean the sensors (
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.
If this symbol appears in the multifunction display, a seat belt
tongue has been inserted into a rear seat belt buckle.
Further information on the status indicator for the rear seat belts
( page 49).
Y
Display messages
page 389) in the following locations:
Y
page 205).
Y
Z
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