Operation Manual

Display messages
Possible causes/consequences and M Solutions
Collision Preven‐
tion Assist Plus
Currently Unavaila‐
ble See Operator's
Manual
COLLISION PREVENTION ASSIST PLUS is temporarily not operational.
Possible causes are:
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.
When the causes stated above no longer apply, the display message
disappears.
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 against rolling away (Y page 189).
X
Restart the engine.
Collision Preven‐
tion Assist Plus
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 immediately.
PRE-SAFE Inopera‐
tive See Operator's
Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X
Visit a qualified specialist workshop immediately.
PRE-SAFE Functions
Currently Limited
See Operator's Man‐
ual
PRE‑SAFE
®
PLUS or PRE‑SAFE
®
Brake is temporarily inoperative.
Possible causes are:
R
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
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 message
disappears.
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 189).
X
Restart the engine.
PRE-SAFE Functions
Limited See Opera‐
tor's Manual
PRE‑SAFE
®
PLUS or PRE‑SAFE
®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X
Visit a qualified specialist workshop immediately.
284
Display messages
On-board computer and displays