On-board computer and displays, Display messages – Mercedes-Benz E-Cab 2013 Owners Manual User Manual
Page 234

Display messages
Possible causes/consequences and M Solutions
PRE-SAFE
Inoperative See
Operator's Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X
Visit a qualified specialist workshop immediately.
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual
PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the sensors in the radiator grill and the bumper are dirty.
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
the system is outside the operating temperature range.
R
the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
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 167).
X
Clean the sensors in the radiator grill and the bumper
(
Y
page 304).
X
Restart the engine.
PRE-SAFE
Functions Limited
See Operator's
Manual
PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X
Visit a qualified specialist workshop.
A
Malfunction
Service Required
G
Risk of injury
Cabriolet: the roll bars are defective.
X
Visit a qualified specialist workshop immediately.
232
Display messages
On-board computer and displays