Mercedes-Benz S-Class Coupe, Owner'S Manual

Page: 276 / 413

Display messages
Possible causes/consequences and M M Solutions
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
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
the system is outside the operating temperature range
R
the on-board voltage is too low.
Once the causes listed above no longer apply, the display message
goes out.
COLLISION PREVENTION ASSIST PLUS 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 to prevent it from rolling away (
Y
page 178).
X
Restart the engine.
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
inoperative inoperative
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
X
Visit a qualified specialist workshop.
PRE-SAFE PRE-SAFE Functions Functions
currently limited currently limited
See Owner's Manual See Owner's Manual
PRE ‑ SAFE
®
PLUS or PRE ‑ SAFE
®
Brake is temporarily inoperative.
Possible causes:
R
the function is impaired due to heavy rain or snow
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
the system is outside the operating temperature range
R
the on-board voltage is too low.
Once the causes listed above no longer apply, the display message
goes out.
PRE
‑ SAFE
®
PLUS and PRE ‑ SAFE
®
Brake are 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
Restart the engine.
PRE-SAFE PRE-SAFE Functions Functions
limited See Own‐ limited See Own‐
er's Manual er's Manual
PRE ‑ SAFE
®
PLUS or PRE ‑ SAFE
®
Brake is unavailable due to a mal-
function. BAS PLUS might also be deactivated.
X
Visit a qualified specialist workshop.
Display messages
273
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Z