Display messages
Possible causes/consequences and
M
M
Solutions
Collision Preven‐
Collision Preven‐
tion Assist Plus
tion Assist Plus
currently unavaila‐
currently unavaila‐
ble
ble See
See Owner's
Owner's Man‐
Man‐
ual
ual
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic 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.
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
Safeguard the vehicle against rolling away (
Y
page 172).
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
Consult a qualified specialist workshop immediately.
PRE-SAFE inopera‐
PRE-SAFE inopera‐
tive See Owner's
tive See Owner's
Manual
Manual
Important PRE-SAFE
®
functions have failed. All other occupant safety
systems, e.g. airbags, remain available.
X
Consult a qualified specialist workshop immediately.
PRE-SAFE Functions
PRE-SAFE 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 elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
R
Mercedes-AMG vehicles: ESP
®
is deactivated
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
Safeguard the vehicle against rolling away (
Y
page 172).
X
Restart the engine.
X
Mercedes-AMG vehicles: reactivate ESP
®
(
Y
page 73).
260
Display messages
On
-b
oar
dc
omp
ut
er
an
dd
ispla
ys