Mercedes-Benz 2013 C-Class Coupe Owner's Manual page 252

Display messages
250
Display messages
PRE-SAFE
Functions cur‐
rently limited See
Owner's Manual
PRE-SAFE
Functions limited
See Owner's Manual
ü
Possible causes/consequences and M Solutions
®
PRE-SAFE Brake temporarily inoperative. Possible causes:
the function is impaired due to heavy rain or snow.
R
the sensors in the radiator trim and in the bumpers are dirty.
R
the radar sensor system is temporarily inoperative, e.g. due to
R
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
AMG vehicles: ESP
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
R
Once the causes listed above no longer apply, the display message
goes out.
®
PRE-SAFE Brake is operational 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 (
X
Clean the sensors in the radiator grille and the bumper
( Y page 322).
X
Restart the engine.
X
AMG vehicles: reactivate ESP
®
PRE-SAFE Brake is inoperative due to a fault. BAS PLUS or the
distance warning signal may also have failed.
X
Visit a qualified specialist workshop.
If the 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 58).
®
is deactivated.
®
( Y page 75).
Y page 169).