Display Message - Mercedes-Benz 2015 M-Class Operator's Manual

Display messages
PRE-SAFE PRE-SAFE
Functions Cur‐ Functions Cur‐
rently Limited rently Limited See See
Operator's Manual Operator's Manual
PRE-SAFE PRE-SAFE
Functions Limited Functions Limited
See Operator's See Operator's Man‐ Man‐
ual ual
6
Restraint Sys. Restraint Sys. Mal‐ Mal‐
function Service function Service
Required Required
Possible causes/consequences and M M Solutions
Vehicles with the Active Driving Assistance package:
®
PRE‑SAFE Brake is temporarily inoperative. Possible causes are:
function is impaired due to heavy rain or snow.
R
the sensors in the radiator trim and the bumper 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
When the causes stated above no longer apply, the display mes-
sage disappears.
®
PRE‑SAFE Brake is operational again.
If the display message does not disappear:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Clean the sensors in the radiator trim and the bumper
X
( page 375).
Y
Restart the engine.
X
AMG vehicles: reactivate ESP
X
Vehicles without the Active Driving Assistance package: Adaptive
Brake Assist is faulty. The distance warning function may also have
failed.
Vehicles with the Active Driving Assistance package:
®
PRE‑SAFE Brake is faulty. BAS PLUS or the distance warning
function may also have failed.
Visit a qualified specialist workshop.
X
The restraint system is faulty.
The 6 warning lamp also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
Visit a qualified specialist workshop.
X
For further information about the restraint system, see
( page 44).
Y
Display messages
®
is deactivated.
®
( page 73).
Y
page 182).
Y
Z
293