Mercedes-Benz C 250 Coupe, Operator'S Manual

Page: 208 / 336

Display messages Possible causes/consequences and
M
Solutions
G
Tele Aid
Inoperative
USA only: one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X
USA only: have the mbrace system checked at a qualified
specialist workshop.
X
Canada only: have the TELEAID system checked at a qualified
specialist workshop.
PRE-SAFE
Function Currently
Limited See Oper.
Manual
G
Risk of accident
PRE-SAFE
®
Brake is temporarily inoperative if:
R
the DISTRONIC PLUS cover in the radiator grill is dirty.
R
the sensors in the bumpers are dirty.
R
its function is impaired due to heavy rain or snow.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R
you switch off ESP
®
(AMG vehicles only).
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
PRE-SAFE
®
Brake is operational again and the display message
disappears if:
R
the dirt (e.g. slush) drops away while the vehicle is in motion.
R
the system detects that the sensors are fully available again.
R
you switch ESP
®
on again (AMG vehicles only).
R
the system is within the operating temperature range.
If the display message continues to be displayed:
X
Clean the DISTRONIC PLUS cover in the radiator grill
(
Y
page 273).
X
Clean the bumpers (
Y
page 273).
X
Restart the engine.
X
Wait until the battery is sufficiently charged.
PRE-SAFE
Functions Limited
See Operator's
Manual
G
Risk of accident
PRE-SAFE
®
Brake is defective. BAS PLUS or the distance warning
signal may also have failed.
X
Visit a qualified specialist workshop.
206
Display messages
On-board computer and displays