Display messages
Possible causes/consequences and
M
M
Solutions
PRE-SAFE Functions
PRE-SAFE Functions
limited
limited See
See Owner's
Owner's
Manual
Manual
PRE
‑
SAFE
®
PLUS or PRE
‑
SAFE
®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X
Consult a qualified specialist workshop immediately.
Radar
Radar sensors
sensors dirty
dirty
See Owner's Manual
See Owner's Manual
At least one of the following driving systems or driving safety systems
is temporarily restricted or inoperative:
R
PRE-SAFE
®
PLUS
R
PRE-SAFE
®
Brake
R
COLLISION PREVENTION ASSIST PLUS
R
DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
R
Active Lane Keeping Assist
R
Active Blind Spot Assist
If the radar sensor system in front is dirty, Active Blind Spot Assist will
not perform a course-correcting brake application.
Possible causes:
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.
Once the causes listed above no longer apply, the display message
goes out. All driving systems and driving safety systems are opera-
tional 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
Safeguard the vehicle against rolling away (
Y
page 191).
X
Switch off the engine.
X
Clean the sensors (
Y
page 382) in the following locations:
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.
ü
Mercedes-AMG vehicles only:
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
(
Y
page 48).
308
Display messages
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s