Mercedes-Benz S-Class 2014 Owners Manual - Manual (Page 276)

Display messages Possible causes/consequences and M M Solutions
Radar Sensors Radar Sensors
Dirty See Dirty See
Operator's Manual Operator's Manual
At least one of the following driving systems or driving safety
systems is temporarily inoperative:
R PRE-SAFE ® PLUS
R PRE-SAFE ® Brake
R COLLISION PREVENTION ASSIST
R Active Lane Keeping Assist
R Active Blind Spot Assist
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.
When the causes stated above no longer apply, the display
message 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 190).
X
Switch off the engine.
X Clean the sensors in the following locations (
Y
page 358):
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.
Check Left Rear Check Left Rear
Belt See Belt See
Operator's Manual Operator's Manual
or Check Right Check Right
Rear Belt See Rear Belt See
Operator's Manual Operator's Manual
The seat belt buckle extender on the right or left of the rear
compartment is not in the predefined position. The belt strap may
be jammed in the belt tongue.
G WARNING
If the seat belt buckle extender is not in the predefined position,
the seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Release the jamming.
X Repeat the seat belt fastening procedure.
274
Display messages
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s