Operation Manual

Display messages
Possible causes/consequences and MM Solutions
Collision Preven‐Collision Preven‐
tion Assist Plustion Assist Plus
InoperativeInoperative
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 Inopera‐PRE-SAFE Inopera‐
tive See Opera‐tive See Opera‐
tor's Manualtor'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-SAFEPRE-SAFE FunctionsFunctions
Currently LimitedCurrently Limited
SeeSee Operator'sOperator's Man‐Man‐
ualual
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
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.
When the causes stated above no longer apply, the display mes-
sage 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 174).
X
Restart the engine.
PRE-SAFEPRE-SAFE FunctionsFunctions
Limited See Opera‐Limited See Opera‐
tor's Manualtor's Manual
PRE‑SAFE
®
PLUS or PRE‑SAFE
®
Brake is unavailable due to a mal-
function. BAS PLUS may also have failed.
X
Visit a qualified specialist workshop.
Display messages
259
On-board computer and displays
Z