Display messages Possible causes/consequences and M Solutions
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual
Vehicles with the Active Driving Assistance package:
PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R
the function is impaired due to heavy rain or snow.
R
the sensors in the radiatorgrill and the bumper are dirty.
R
the radarsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations 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.
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 179).
X
Clean the sensors in the radiator grill and the bumper
(Y page 374).
X
Restart the engine.
X
AMG vehicles: reactivate ESP
®
(Y page 72).
PRE-SAFE
Functions Limited
See Operator's
Manual
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.
X
Visit a qualified specialist workshop.
6
SRS Malfunction
Service Required
There is a malfunction in the SRS (Supplemental Restraint
System).
The 6 warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
Further information on occupant safety (Y page 43).
Display messages
291
On-board computer and displays
Z
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