Mercedes-Benz GL-Class 2015 - Manual (Page 302)

Display messages Possible causes/consequences and M M Solutions
PRE-SAFE PRE-SAFE
Functions Cur‐
Functions Cur‐
rently rently Limited Limited See See
Operator's Manual 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 sta-
tions 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 mes-
sage 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 190).
X Clean the bumpers (
Y
page 381).
X
Restart the engine.
X AMG vehicles: reactivate ESP ® (
Y
page 74).
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Display messages
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