Mercedes-Benz AMG GT Roadster Operator's Manual page 183

Display messages
Active Brake Active Brake Assist Assist
Functions Currently Functions Currently
Limited See Opera‐ Limited See Opera‐
tor's Manual tor's Manual
Active Brake Active Brake Assist Assist
Functions Limited Functions Limited
See Operator's Man‐ See Operator's Man‐
ual ual
PRE-SAFE Inopera‐ PRE-SAFE Inopera‐
tive See tive See Operator's Operator's
Manual Manual
Possible causes/consequences and M M Solutions
Active Brake Assist is temporarily inoperative.
Possible causes are:
the radar sensor system is temporarily inoperative, e.g. due to elec-
R
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
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 message
disappears.
Active Brake Assist 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
Restart the engine.
X
Active Brake Assist is unavailable due to a malfunction. The situation-
dependent brake boosting effect may also have failed.
Visit a qualified specialist workshop immediately.
X
Important functions of PRE-SAFE
safety systems, e.g. air bags, remain available.
Visit a qualified specialist workshop immediately.
X
Display messages
page 127).
Y
®
have failed. All other occupant
181
Z