Mercedes-Benz 2013 GL X166, Operator'S Manual

Page: 291 / 448

Display messages Possible causes/consequences and
M
Solutions
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual
Vehicles without the Active Driving Assistance package: Adaptive
Brake Assist is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the sensor in the bumper is 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.
Adaptive Brake Assist 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 178).
X
Clean the bumpers (
Y
page 369).
X
Restart the engine.
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
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 178).
X Clean the sensors in the radiator grill and the bumper
(
Y
page 369).
X Restart the engine.
Display messages
289
On-board computer and displays
Z