Mercedes-Benz S-Class Coupe Operator's Manual page 261

Display messages
#
Check Brake Pad
Wear
G
Inoperative
Collision Preven‐
tion Assist Plus
Currently Unavail‐
able See Opera‐
tor's Manual
Collision Preven‐
tion Assist Plus
Inoperative
PRE-SAFE Inopera‐
tive See Opera‐
tor's Manual
Possible causes/consequences and M Solutions
The brake pads/linings have reached their wear limit.
USA only: the red $ brake system warning lamp also lights up
while the engine is running.
Visit a qualified specialist workshop.
X
One or more main features of the mbrace system are malfunc-
tioning.
Have the mbrace system checked at a qualified specialist work-
X
shop.
COLLISION PREVENTION ASSIST PLUS is temporarily not opera-
tional. Possible causes are:
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.
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.
COLLISION PREVENTION ASSIST PLUS 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
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
Visit a qualified specialist workshop.
X
Important functions of PRE-SAFE
safety systems, e.g. air bags, remain available.
Visit a qualified specialist workshop immediately.
X
Display messages
page 170).
Y
®
have failed. All other occupant
259
Z