Mercedes-Benz 2013 C Class Coupe - Manual (Page 252)

Display messages Possible causes/consequences and M Solutions
PRE-SAFE
Functions cur‐
rently limited See
Owner's Manual
PRE-SAFE ® Brake temporarily inoperative. Possible causes:
R
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
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R AMG vehicles: ESP ® is deactivated.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
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 ( Y page 169).
X Clean the sensors in the radiator grille and the bumper
(
Y page 322).
X Restart the engine.
X AMG vehicles: reactivate ESP ® ( Y page 75).
PRE-SAFE
Functions limited
See Owner's Manual
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.
ü 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).
250
Display messages
On-board computer and displays